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OSCON 2014 Speakers

At OSCON, you'll hear from the best and most original minds in open source technology. Our lineup of speakers includes open source legends, hackers, developers, seasoned pros as well as notable newcomers to the scene; what sets them apart is their passion for the technology and willingness to share their expertise. New speakers are being added regularly. Please check back to see the latest updates to the agenda.


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Faisal Abid

I am a software engineer, author, teacher and entrepreneur.

From the hardcore server-side and database challenges to the the front end issues, I love solving problems and strive to create software that can make a difference.

I’m an author published by Manning and O’Reilly and have also appeared in leading publications with my articles on ColdFusion and Flex.

In my free time I teach Android or Node.js at workshops around the word, speak at conferences such as OSCON, CodeMotion, FITC and AndroidTO.

Currently, I’m the founder of Dynamatik, a design and development agency in Toronto.

During the days I am a Software Engineer at Kobo working on OS and app level features for Android tablets.

DJ Adams
DJ Adams (Bluefin Solutions Ltd), @qmacro

DJ Adams is an enterprise architect and open source programmer, author, and bread-maker living in Manchester, working as a Principal Consultant for Bluefin Solutions. He has a degree in Latin & Greek (Classics) from the University of London, and despite having been referred to as an alpha geek, can nevertheless tie his own shoelaces and drink beer without spilling it.

He has written two books for O’Reilly, on Jabber and on Google.

He is married to his theoretical childhood sweetheart Michelle, and has a son, Joseph, of whom he is very proud.

Josh Adams
Josh Adams (Isotope11), @knewter

I’m the CTO of Isotope11, a mildly successful software development company that focuses on Ruby, JavaScript, and Erlang/Elixir. I’m also responsible for, a screencast series wherein I walk through elixir as I learn it, and record 2 shortish (5-12 minutes, occasionally longer) videos per week. I’ve also been a co-author and a technical reviewer for multiple books on the Arduino microprocessor and Ruby, and have had a lot of fun doing robotics with Ruby as well. I’m currently aiming to bring that robotics fun to Erlang (or Elixir)

Lance Albertson
Lance Albertson (Oregon State University Open Source Lab), @ramereth

Lance Albertson is the Director for the Oregon State University Open Source Lab (OSL) and has been involved with the Gentoo Linux project as a developer and package maintainer since 2003. Since joining the OSL in 2007, Lance has managed all of the hosting activities that the OSL provides for nearly 160 high-profile open source projects. He was recently promoted to Director in early 2013 after being the Lead Systems Administration and Architect since 2007.

Prior to joining the OSUOSL, Lance was a UNIX Administrator for the Enterprise Server Technologies group at Kansas State University. Lance prepared for life as a career systems administrator by grappling with natural systems first, joining his father near Hiawatha, Kansas on... Read More.

Andrei Alexandrescu

Andrei Alexandrescu is a Research Scientist at Facebook and coined the colloquial term ‘modern C++’, used today to describe a collection of important C++ styles and idioms. His eponymous book on the topic, Modern C++ Design (Addison-Wesley, 2001), revolutionized C++ programming and
produced a lasting influence not only on subsequent work on C++, but also on other languages and systems. With Herb Sutter, Andrei is also the
coauthor of C++ Coding Standards (Addison-Wesley, 2004).

Through Andrei’s varied work on libraries and applications, as well as his research in
machine learning and natural language processing, he has garnered a solid reputation in both industrial and academic circles. Andrei has also been
the key designer of many important features of the D programming... Read More.

Alasdair Allan
Alasdair Allan (Babilim Light Industries), @aallan

Alasdair Allan is a director at Babilim Light Industries and a scientist, author, hacker, maker, and journalist. An expert on the internet of things and sensor systems, he’s famous for hacking hotel radios, deploying mesh networked sensors through the Moscone Center during Google I/O, and for being behind one of the first big mobile privacy scandals when, back in 2011, he revealed that Apple’s iPhone was tracking user location constantly. He has written eight books, and writes regularly for, Hackaday, and other outlets. A former astronomer, he also built a peer-to-peer autonomous telescope network that detected what was, at the time, the most distant object ever discovered.

Dan Allen
Dan Allen (OpenDevise), @mojavelinux

Dan is an open source advocate, community catalyst, software generalist, author and speaker. Most of the time, he’s hacking with some JVM language. He leads the Asciidoctor project and serves as the community liaison for Arquillian. He builds on these experiences to help make a variety of open source projects wildly successful, including Asciidoctor, Arquillian, Opal and JBoss Forge.

Dan is the author of Seam in Action (Manning, 2008) and has written articles for NFJS, the Magazine, IBM developerWorks, Java Tech Journal and JAXenter. He’s also an internationally recognized speaker, having presented at major software conferences including JavaOne, Devoxx, OSCON, NFJS / UberConf / RWX, JAX and jFokus. He’s recognized as a JavaOne Rock Star and Java (Read More.

Jamie Allen

Jamie Allen has worked in consulting since 1994, with top firms including Price Waterhouse and Chariot Solutions. He has a long track record of collaborating closely with clients to build high-quality, mission-critical systems that scale to meet the needs of their businesses, and has worked in myriad industries including automotive, retail, pharmaceuticals, telecommunications and more. Jamie has been coding in Scala and actor-based systems since 2009, and is the author of “Effective Akka” book from O’Reilly.

Rob Allen
Rob Allen (Nineteen Feet Limited), @akrabat

Rob Allen is a software engineer, project manager and trainer. Rob Allen has been programming in a with PHP for a very long time now and contributes to Zend Framework and other open source projects. He is a ZF contributor, member of the ZF Community team and also wrote Zend Framework in Action. Rob holds a Masters degree in Electronic Engineering from the University of Birmingham in the UK and started out writing C++ applications; he now concentrates solely on web-based applications in PHP. Rob is UK-based and runs Nineteen Feet Limited, focussing on web development, training and consultancy.

Mohammad Almalkawi

Mohammad is a software engineer at Quip. Before Quip, Mohammad was a technical lead on Twitter’s Mobile team where he was focused on Android platform and mobile tools. Prior to Twitter, Mohammad worked on WinRT Core in the operating systems group at Microsoft. Mohammad studied computer engineering at the University of Illinois at Urbana-Champaign where he specialized in real-time embedded systems.

Mike Amundsen
Mike Amundsen (, Inc.), @mamund

An internationally known author and lecturer, Mike Amundsen travels throughout the world consulting and speaking on a wide range of topics including distributed network architecture, Web application development, and other subjects.

In his role of API architect at Layer 7, Amundsen heads up the API Architecture and Design Practice in North America. He is responsible for working with companies to provide insight on how best to capitalize on the myriad opportunities APIs present to both consumers and the enterprise.

Amundsen has authored numerous books and papers on programming over the last 15 years. His most recent book is a collaboration with Leonard Richardson titled “RESTful Web APIs”. His 2011 book, “Building Hypermedia APIs with HTML5 and Node”, is an oft-cited reference on building... Read More.

Ishan Anand (Moovweb)

Ishan Anand is Director of New Products at Moovweb. He has been building and launching mobile products for the iPhone since the day it was released, and his work has been featured on TechCrunch, ReadWriteWeb and LifeHacker. Ishan has a solid background in software engineering with a focus on web and native application development for iOS devices and WebKit browsers. Prior to Moovweb, Ishan worked at Digidesign and his expertise was in multi-threaded real-time systems programming for the computer music industry. He holds dual-degrees in electrical engineering and mathematics from MIT.

John Anderson
John Anderson (Infinity Interactive), @genehack

Lapsed biologist turned sysadmin turned programmer turned tech lead. Film at 11.

Yazz Atlas
Yazz Atlas (Hewlett-Packard), @EntropyWorks

Yazz Atlas, who has been involved with open source projects for the past eighteen years, is currently working for the Advanced Technology Group within HP. His primary focus is replacing him self with a script and deploying OpenStack for the HP Cloud PaaS Core.

R Geoffrey Avery
R Geoffrey Avery (Platypi Ventures), @rGeoffrey

For many years a Perl Bioinformatics programmer in Philadelphia for a major pharma company helping scientists load, analyze and view their data.

Vishwas Babu
Vishwas Babu (Conflux Technologies)

Vishwas Babu is the lead engineer at the Mifos Initiative where he works on building an open technology platform for financial inclusion to the poor. He is also a co-founder of Conflux Technologies Private Limited, an organization based out of Bangalore, India which provides a multitude of financial solutions targeted toward microfinance institutions.

Jono Bacon
Jono Bacon (Jono Bacon Consulting), @jonobacon

Leading community manager Jono Bacon is the founder of Jono Bacon Consulting, which provides community strategy/execution, developer workflow, and other services. Previously, Jono served as director of community at GitHub, Canonical, XPRIZE, and OpenAdvantage and consulted and advised a range of organizations including Huawei, GitLab, Sony Mobile, Deutsche Bank, and HackerOne. He is the author of the critically acclaimed The Art of Community, a columnist for Forbes and, founder of the Community Leadership Summit, and cofounder and cohost of the Bad Voltage and LugRadio podcasts.

Josh Barratt
Josh Barratt (Media Temple), @jbarratt

Josh joined leading (mt) Media Temple, a leading LA-based web hosting and cloud services company, as a system engineer in 2003 before making his way up to CTO and then Chief Architect. Josh’s world is a blend of computer science, software development, systems administration and the people and processes that tie it all together. Prior to Media Temple, he worked six years as a software engineer and has built everything from large clustered systems to embedded real-time motion control for special effects, and almost everything in between. Though experienced in a number of programming languages and environments, his current happy place is with Python.

Rick Barraza (Cynergy Systems), @rickbarraza

Rick Barraza has been working at the forefront of integrating design and technology for over a decade. A strong voice in the interactive design community, Rick is often engaged in promoting the balance of great experiences, creative technology and business motivators. Rick’s wide experience across many aspects of both design and development have made him a key asset at Cynergy where he works with a diverse clientele across a broad spectrum of needs- from branding and design to prototype development and experience architecture.

Doran Barton
Doran Barton (Bluehost), @fozzmoo

Doran is a long-time open source advocate. A Unix user and instructor beginning in the early 1990s, he began using Linux in late 1994. In 1998, he started a consulting company in northern Utah promoting the use of Linux and open source solutions for businesses. His career has been split between systems administration/architecture and development.

Doran now works as a senior developer at Bluehost, an Endurance International web hosting company. Leveraging his mixed background, he has helped move the company forward in using Software Collections to use more modern versions of Perl and other software on Enterprise Linux distributions.

David Baumgold

David Baumgold is a web developer and open source advocate based in the Boston, Massachusetts area. He enjoys teaching, learning, and connecting interesting people with each other. He genuinely believes that everything will all work out in the end, somehow.

Brent Beer
Brent Beer (GitHub), @brntbeer

Brent Beer has used Git and GitHub for over 5 years through university classes, contributions to open source projects, and professionally as a web developer. He now enjoys his role teaching the world to use Git and GitHub to their full potential as a member of the GitHub Training team.

Brian Behlendorf
Brian Behlendorf (The Hyperledger Project at the Linux Foundation), @brianbehlendorf

Brian Behlendorf is the executive director of the Hyperledger Project at the Linux Foundation and senior technology advisor at Mithril Capital Management in San Francisco. Over his career, Brian has held a mix of technology startup, public policy, and nonprofit tech leadership positions. He serves on the boards of the Mozilla Foundation, the Electronic Frontier Foundation, and Benetech—three organizations using technology to fight for civil liberties, open technologies, and social impact in the digital domain. Previously, Brian was chief technology officer at the World Economic Forum, served for two years at the White House as advisor to the Open Government project within the Office of Science and Technology Policy, was an advisor to Health and Human Services on open software approaches to health information sharing,... Read More.

Tim Bell
Tim Bell is responsible for the CERN IT Infrastructure Group which supports Windows, Mac and Linux across the site along with virtualisation, E-mail and web services. These systems are used by over 11,000 scientists researching fundamental physics, finding out what the Universe is made of and how it works. Prior to working at CERN, Tim worked for Deutsche Bank managing private banking infrastructure in Europe and for IBM as a Unix kernel developer and deploying large scale technical computing solutions.
Adam Benayoun
Adam Benayoun (Binpress), @adambn

Adam is the co-founder and CEO of Binpress, a marketplace for commercial open source – providing a platform for building a profitable business from creating and working on open source projects.

Adam has launched over 15 web ventures for the past 10 years and utilized numerous open source projects in the process of building his products.

He studied Animation at the Minshar School of Arts and is an alumni of the 500startups accelerator in Mountain View.

Frederic Berg

Frederic is a product owner with 15 years of experience in the software industry living in Heidelberg, Germany. He is passionate about software development and a major driver behind the open sourcing of OpenUI5.

Tim Berglund
Tim Berglund (Confluent), @tlberglund

Tim Berglund is the senior director of developer experience with Confluent, where he serves as a teacher, author, and technology leader. Tim can frequently be found speaking at conferences internationally and in the United States. He’s the copresenter of various O’Reilly training videos on topics ranging from Git to distributed systems and is the author of Gradle Beyond the Basics. He tweets as @tlberglund, blogs very occasionally at, and is the cohost of the DevRel Radio podcast. He lives in Littleton, Colorado, with the wife of his youth and their youngest child, the other two having mostly grown up.

Andrew Berkowitz

Andrew Berkowitz is a founder and Chief Product Officer at He is also Head Coach of ComedySportz Portland, a branch of the international Comedy Improv Theater.

Josh Berkus
Josh Berkus (PostgreSQL Experts, Inc.), @FuzzyChef

Josh Berkus is primarily known as one of the Core Team of the world-spanning open source database project PostgreSQL. As CEO of PostgreSQL Experts, Inc., he speaks on database and open source topics all over the world, and consults on database design, performance, and open source community building. He also makes pottery and is a darned good cook.

Gina Blaber
Gina Blaber (O'Reilly Media, Inc.), @ginablaber

VP of Conferences, O’Reilly. Interested in big data, web performance and operations, open source, publishing, location-based technologies, JavaScript, social media, and related topics. Love to hear about cutting edge content and speakers in these areas, and practical ideas for reaching a more diverse audience and speaker base.

Josh Bleecher Snyder

Josh Bleecher Snyder is the Director Of Software Engineering at PayPal. He was a co-founder / CTO of, which was acquired by PayPal in 2012. Josh was leading’s technology development. Before, Josh founded Treeline Labs, an iOS software development company, and was a Senior Software Engineer at AdMob where he was the first iOS engineer. Josh dropped out of the Philosophy Ph.D. program at Stanford University (ABD).

Michael Bleigh

Michael is a JavaScript and Ruby developer and the CEO/Cofounder of Divshot, a browser-based front-end development platform. He has been working to make web development better through open source contributions (such as OmniAuth, Grape, and Themestrap) as well as by speaking at events including as RailsConf, Confoo, Open Source Bridge, and OSCON.

Olivier Bloch (Microsoft), @obloch

I am Senior Technical Evangelist at Microsoft Open Technologies, Inc., looking into interoperability, cross platform and open source development for Microsoft client platforms: Windows Phone, Windows and IE.
Prior to this role I have been in the embedded space for almost 10 years prior to this, developing, consulting, training and talking about the Internet Of Things, connected devices and other cool and interesting topics in France, in the US and in other places around the world.
I am not just a geek who loves to play around with the latest gadgets… well, mostly a geek… but I love the idea that geeking around with these devices is all about what the consumer and industrial ecosystems are becoming these days.

Adam Bordelon (Mesosphere)

Adam is a distributed systems engineer at Mesosphere and works on Apache Mesos.
Before joining Mesosphere, Adam was lead developer on the Hadoop core team at MapR Technologies; he developed distributed systems for personalized recommendations at Amazon; and he rearchitected the LabVIEW compiler at National Instruments. He completed his Master’s degree at Rice University, building a tool to analyze supercomputer performance data for bottlenecks and anomalies.

Jay Borenstein
Jay Borenstein (Stanford)

I was born in Southern California. I did my undergraduate and graduate studies at Stanford, specializing in quantitative economics and operations research. I discovered both academic disciplines benefited greatly from computer simulation and I found my passions increasingly directed toward realizing products and experiences through software.

Another thread in my personal and professional life has been a love for teams of people. I find few things to be as stimulating as a smart and motivated group of people coming together in a common pursuit.

Combining the above interests, the culture of Silicon Valley (and Stanford itself, for that matter) has been a perfect fit for
me. After initially working as software engineer for a number of years and then plying the waters in technology... Read More.

Joe Bowser
Joe Bowser (Adobe)

Joe is the creator of PhoneGap for Android and is the longest contributing committer to the PhoneGap and Apache Cordova projects respectively. When he is not contributing to Open Source at Adobe, he spends his spare time working on various hardware projects at home, as well as at the Vancouver Hack Space, which he co-founded.

Garth Braithwaite

Previous lead designer on Brackets. Current developer on Topcoat.

Four daughters under the age of 9 (ladies man). Fanboy.

Alex Brandt
Alex Brandt (Rackspace Hosting)

Alex Brandt is a cloud developer at Rackspace, helping people build distributed scalable systems with a variety of technologies. An emerging evangelist for all things cloud, he has worked in IT support and solutioning as well as research in the realm of physics. Alex holds a B.S. in computer science and physics from Minnesota State University Moorhead.

VM Brasseur
VM Brasseur (Juniper Networks), @vmbrasseur

VM is a manager of technical people, projects, processes, products and p^Hbusinesses. In her over 15 years in the tech industry she has been an analyst, programmer, product manager, software engineering manager and director of software engineering. Currently she is splitting her time between shoeless consulting, a tech recruiting and management consulting firm, and writing a book translating business concepts into geek speak.

VM blogs at “{a=>h}”: and tweets at @vmbrasseur.

Tim Bray
Tim Bray (Independent), @timbray

Tim has co-founded two companies, helped raise five rounds of venture capital, written over a million words on his blog, edited the official specifications of both XML and JSON, worked for Sun Microsystems and Google, and is worried about passwords, Web culture, and tractable concurrency.

Michael Brewer
Michael Brewer (UGA: Franklin College OIT), @operatic

Michael Brewer is an Application Programmer Specialist for the Franklin College Office of Information Technology at The University of Georgia. He designs database-backed web applications used by thousands of students and faculty and serves on several college and University-wide committees on Web development, best practices, and application security. In 2005, he won an Advising Technology Innovation Award from the National Academic Advising Association for an academic advising application he created and maintains. A speaker at OSCON in 2011 and 2012, he is also on the board of the United States PostgreSQL Association. He holds dual degrees in Mathematics and Music from The University of Georgia. A member of ASCAP, he also conducts the oldest continually operating community band in the state of Georgia;... Read More.

Joe Brockmeier
Joe Brockmeier (Red Hat), @jzb

Joe Brockmeier is a member of Red Hat’s Open Source and Standards
(OSAS) team, and is involved with Project Atomic, the Fedora Project’s
Cloud Working Group, and is a member of the Apache Software Foundation.
Brockmeier has a long history of involvement with Linux and open source,
and has also spent many years working as a technology journalist.
Brockmeier has written for ReadWriteWeb, LWN,, Linux Magazine,
Linux Pro Magazine, ZDNet, and many others.

Ethan Brown

I work for Pop Art, an interactive marketing agency, doing mostly back-end website work. A lot of my current work is in C#/.NET, but I am shifting a lot of my attention to the Node.js stack (check out my projects on NPM!). My undergraduate work was in mathematics and computer science, and I have a broad and diverse background in software technologies.

Avi Bryant

Avi has led product, engineering, and data science teams at Etsy, Twitter and Dabble DB (which he co-founded and Twitter acquired). He’s known for his open source work on projects such as Seaside, Scalding, and Algebird. Avi currently works at Stripe.

Brian Bulkowski

Brian Bulkowski, founder and CTO of Aerospike Inc. (formerly Citrusleaf), has 20-plus years experience designing, developing and tuning networking systems and high-performance Webscale infrastructures. He founded Aerospike after learning first hand, the scaling limitations of sharded MySQL systems at Aggregate Knowledge. As director of performance at this media intelligence SaaS company, Brian led the team in building and operating a clustered recommendation engine. Prior to Aggregate Knowledge, Brian was a founding member of the digital TV team at Navio Communications and chief architect of Cable Solutions at Liberate Technologies where he built the high-performance embedded networking stack and the Internetscale broadcast server infrastructure. Before Liberate, Brian was a lead engineer at Novell, where he was responsible for the AppleTalk stack for Netware 3 and... Read More.

Greg Bulmash
Greg Bulmash (Login with Amazon), @YiddishNinja

Greg Bulmash is an urban legend, former senior editor at IMDb, and he makes really awesome chocolate cookies.

During the days, he writes developer documentation for Microsoft, but evenings and weekends belong to Seattle CoderDojo where he somehow brings together dozens and dozens of kids, parents, and volunteers to run a free Saturday morning coding club.

Cody Bunch (Rackspace), @cody_bunch

Cody Bunch is a Private Cloud / Virtualization Architect, VMware vExpert, and VMware VCP from San Antonio, TX. Cody has authored or co-authored several OpenStack and VMware books. Additionally he has been a tech editor on a number of projects. Cody also regularly speaks at industry events and local user groups.

Eric Butler
Eric Butler (Cedexis)

Eric leads the Technology team at Webtrends, chartered with creating creative disruptive solutions in the analytics and optimization space. His team is responsible for the newly introduced Webtrends Streams product, among other patent-pending technologies recently released by Webtrends.

Eric has held technology leadership positions at Webtrends, Jive Software and Intel in his career. He is a runner, follows his kids around playing soccer, and lives in Portland with his family.

Paris Buttfield-Addison

Paris is co-founder of Secret Lab Pty. Ltd., leading production and design efforts in the mobile game and app development space. A frequent speaker at conferences, workshops and training sessions, Paris enjoys discussing engineering, product development, design and other facets of the mobile and game development worlds. Recent conferences include Apple Australia’s /dev/world/2013 in Melbourne (and 2008, 2009, 2010, 2011, 2012), a keynote at CreateWorld Brisbane 2010 (and a speaker in 2009, 2011, 2012, and 2014), IxDA’s Interaction 11 in Boulder (March 2011), XMediaLab Location-Based Services in Malmo, Sweden (January 2011), a tutorial and a session at OSCON 2011, OSCON 2012, OSCON 2013, 2011, and many others.

Paris is currently writing “Mobile Game Development With Unity” and “iOS Game Development Cookbook”,... Read More.

Bryan Call
Bryan Call (Yahoo!)

Bryan Call has been writing code and working with on large scale solutions for 14 years. He has experience optimizing and profiling projects, including Apache Traffic Server and many internal projects at Yahoo!.

He came to Yahoo! through an acquisition of a startup and has been working there for the last 12 years. He has worked on various products and teams, such as WebRing, GeoCities, People Search, Yahoo! Personal, Tiger Team (internal consulting team), Architect in the Platform Group, Architect in the Edge Platform, and now is working in the R&D Systems Group.

Bryan is also a commiter on the Apache Traffic Server project and instrumental in bring Traffic Server to the Apache Foundation.

Darryn Campbell
Darryn Campbell (Motorola Solutions, Inc.)

Darryn Campbell is the development lead on RhoMobile suite, the cross platform development framework provided by Motorola Solutions. He has been developing application development frameworks targeted at enterprise since 2008 seeing the product space increase from a small number of niche suppliers to the crowded marketplace we see today.

Francesc Campoy

Francesc Campoy Flores joined the Go team in 2012 as Developer Programs Engineer. Since then, he has written some considerable didactic resources and traveled the world attending conferences and organizing live courses.

He joined Google in 2011 as a backend software engineer working mostly in C++ and Python, but it was with Go that he rediscovered how fun programming can be. He loves languages; fluent in four of them, he’s now tackling a fifth one.

Brian Capouch
Brian Capouch (Saint Joseph's College)

Brian Capouch is a longtime open source user, programmer, and hacker.

He teaches CS using 100% Open Source tools at small Indiana college, run a small wireless ISP; Asterisk and openWRT are his specialities.

Thierry Carrez
Thierry Carrez (OpenStack Foundation), @tcarrez

Thierry Carrez has been the Release Manager for the OpenStack project since its inception, coordinating the effort and facilitating collaboration between contributors. He is the elected chair of the OpenStack Technical Committee, which is in charge of the technical direction of the project. He spoke about OpenStack, open innovation and open source project management at various conferences around the world, including OSCON, LinuxCon and FOSDEM. A Python Software Foundation fellow, he was previously the Technical lead for Ubuntu Server at Canonical, and an operational manager for the Gentoo Linux Security Team.

Piers Cawley
Piers Cawley (Loafery), @pdcawley

Piers Cawley started programming Perl in the mid nineties, but recently spent a few years working as a Ruby programmer before returning to Perl.

He’s currently trying to escape to become a bread maker.

He’s a singer, baker and photographer.

Bill Cernansky
Bill Cernansky (ComedySportz)

Bill Cernansky is a veteran Software Configuration Management Engineer at Jeppesen. Bill also performs and teaches improvisation and oversees tech at ComedySportz Portland. In addition, he is arguably the best at jumping over this one thing in his backyard.

Francesco Cesarini
Francesco Cesarini (Erlang Solutions Ltd), @FrancescoC

Francesco Cesarini is the founder and technical director of Erlang Solutions. With offices in seven countries on three continents, Erlang Solutions has become the go-to partner for scalable, highly available end-to-end solutions, running conferences, and providing support, consulting, training, certification, and systems development. As technical director, Francesco leads the development and consulting teams and is responsible for the product and research strategies of the company.

Francesco has used Erlang on a daily basis since 1995, when he started his career as an intern at Ericsson’s computer science laboratory, the birthplace of Erlang. He moved on to Ericsson’s Erlang training and consulting arm, where he worked on the R1 release of OTP, applying it to turnkey solutions and flagship telecom applications. In 1999,... Read More.

Scott Chacon
Scott Chacon (GitHub)

Scott Chacon is a cofounder and the CIO of GitHub. He is also the author of the Pro Git book by Apress and the maintainer of the Git homepage ( Scott has presented at dozens of conferences around the world on Git, GitHub and the future of work.

Colin Charles
Colin Charles (Percona), @bytebot

Colin Charles works on MariaDB at SkySQL. He has been the Chief Evangelist for MariaDB since 2009, with work ranging from speaking engagements to consultancy and engineering works around MariaDB. He lives in Kuala Lumpur, Malaysia and had worked at MySQL since 2005, and been a MySQL user since 2000. Before joining MySQL, he worked actively on the Fedora and projects. He’s well known within open source communities in Asia and Australia, and has spoken at many conferences to boot.

Christopher Chedeau

Christopher “vjeux” Chedeau is a Front-End Engineer at Facebook. He is passionate about the web and its ability to very easily write great user interfaces.

Doris Chen
Doris Chen (Microsoft), @doristchen

Dr. Doris Chen
Twitter @doristchen

Doris is a Developer Evangelist at Microsoft for the Western region of the United States, specialized in web technologies (HTML5, jQuery, JavaScript, Ajax, and Java).
Doris has over 15 years of experience in the software industry working in several open source web tier technologies, Java platform, .NET and distributed computing technologies. She has developed and delivered over 400 keynotes, technical sessions, code camps worldwide, published widely at numerous international conferences and user groups including JavaOne, O’Reilly, WebVisions, SD Forum, HTML5 and JavaScript meetups, and worldwide User Groups. Doris works very closely to create and foster the community around NetBeans, Glassfish, and related technologies. Before joining Microsoft, Doris Chen was a Technology Evangelist at Sun... Read More.

Roger Chen
Roger Chen (Computable), @rgrchen

Roger Chen is cofounder and CEO of Computable and program chair for the O’Reilly Artificial Intelligence Conference. Previously, he was a principal at O’Reilly AlphaTech Ventures (OATV), where he invested in and worked with early-stage startups primarily in the realm of data, machine learning, and robotics. Roger has a deep and hands-on history with technology. Before startups and venture capital, he was an engineer at Oracle, EMC, and Vicor. He also developed novel nanoscale and quantum optics technology as a PhD researcher at UC Berkeley. Roger holds a BS from Boston University and a PhD from UC Berkeley, both in electrical engineering.

Sara Chipps (Girl Develop It), @sarajchipps

Sara Chipps is a JavaScript developer and she blogs here. She is CTO of Flatiron School. In 2010 she started an organization called Girl Develop It which offers low cost software development classes geared towards women. Girl Develop It has had over 1000 unique students in New York City and now has 25 chapters around the world.

She enjoys speaking to and meeting with diverse groups from the Girl Scouts to straight up code junkies. Her goal is to inspire more females to see that working with software is fun and glamorous.

Wendy Chisholm
Wendy Chisholm (Microsoft), @wendyabc

I am an author, activist and project manager. I co-wrote “Universal Design for Web Applications” with Matt May (O’Reilly, 2008) and edited Web Content Accessibility Guidelines 1.0 and 2.0–the basis of most web accessibility policies. I have appeared as Wonder Woman in a web comic with the other HTML5 Super Friends and as myself in interviews on Minnesota Public Radio, Puget Sound Public Radio, and at Ignite Seattle. In November 2009, I was the Seattle PI’s Geek of the Week.

I’ve focused on universal design since 1995. Being both a developer (B.S. in Computer Science) and a Human Factors Engineer (M.S. in Industrial Engineering/Human Factors), I bridge communication between developers and designers. As a Senior Strategist at Microsoft,... Read More.

Author of Exploring Elasticsearch, and developer/evangelist at, Andrew Cholakian is an active member of the Elasticsearch community. Additionally, he is behind several elasticsearch OSS projects as well, including the popular “Stretcher” Elasticsearch library for the Ruby language. He’s also a veteran of multiple startups in the LA area, and is an active member of the local startup community.

Robby Clements

Robby Clements is a software developer for Isotope11. His primary language has been Ruby for the past five years, but he’s been branching out into Erlang recently and finding it fascinating.

John Coggeshall
John Coggeshall (Internet Technology Solutions, LLC)

John Coggeshall is owner of Internet Technology Solutions, LLC. a high-end web consulting firm based in Michigan. He got started with PHP in 1997 and is the author of three published books and over 100 articles on PHP technologies with some of the biggest names in the industry such as Sams Publishing, Apress and O’Reilly. John also is a active contributor to the PHP core as the author of the tidy extension, a member of the Zend Education Advisory Board, and frequent speaker at PHP-related conferences worldwide.

Constantine Aaron Cois
Constantine Aaron Cois (Carnegie Mellon University, Software Engineering Institute), @aaroncois

Aaron is a software engineer currently located in Pittsburgh, PA. He received his Ph.D. in 2007, developing algorithms and software for 3D medical image analysis. He currently leads a software development team at Carnegie Mellon University, focusing on web application development and cloud systems.

Aaron is a polyglot programmer, with a keen interest in open source technologies. Some favorite technologies at the moment include Node.js, Python/Django, MongoDB, and Redis.

Tina Coleman
Tina Coleman (Hayden Software), @colemanserious

Girl geek, web application development and architecture, agile advocate, community management

Damian Conway
Damian Conway (Thoughtstream)

Damian Conway is an internationally renowned speaker, author, and trainer, and a prominent contributor to the Perl community. Currently he runs Thoughtstream, an international IT training company that provides programmer training from beginner to masterclass level throughout Europe, North America, and Australasia. Most of his spare time over the past decade has been spent working with Larry Wall on the design and explication of the Perl 6 programming language. He has a PhD in Computer Science and was until recently an Adjunct Associate Professor in the Faculty of Information Technology at Monash University, Australia.

Danese Cooper

Danese Cooper is head of open source at PayPal and runs a successful consultancy serving companies wishing to pursue open source strategies, which have included SETI Foundation, Harris Corporation, the Bill & Melinda Gates Foundation, and Numenta among other clients. Over her 25-year history in the software industry, Danese has long been an advocate for transparent development methodologies. Danese has held many leadership roles within the computer science sector. She has managed teams at Symantec and Apple, served as chief open source evangelist for Sun Microsystems for six years, and served as senior director for open source strategies at Intel for four years. Danese advised the R community on open source policy while at REvolution Computing (now Revolution Analytics) and served as chief technical... Read More.

William Cox (Distil Networks), @gallamine

When William isn’t busy being a husband and father, he is an electrical engineer specializing in signal processing and machine learning. He’s worked on underwater robots, radar detection, algorithmic forex, and torpedo tracking. He tweets @gallamine and blogs at

Kevin Crocker
Kevin Crocker (Pivotal)

Kevin Crocker is a Consulting Instructor at Pivotal. He combines 40 years of technology awareness with 30 years of instructional expertise spanning multiple technologies and disciplines to bring a rich educational experience to his classes.

His teaching background includes: Statistics; operations research; optimization theory; distance education; adult education; instructional design; UNIX and Linux operating systems, servers, and scripting; Java; business, banking, and finance; virtualization; and Data Analytics.

He is a published author and award winning course designer. His guiding principle is: Driven by light bulbs!

When he’s not helping people learn leading edge technology he’s busy with his family, golf, and home brewing special beers.

Adam Culp
Adam Culp (Zend Technologies), @adamculp

Adam Culp (@AdamCulp), organizer of the SunshinePHP Developer Conference and South Florida PHP Users Group (SoFloPHP) where he speaks regularly, is a Zend Certified PHP 5.3 Engineer consulting for Zend Technologies. Adam is passionate about developing with PHP and enjoys helping others write good code, implement standards, refactor efficiently, and incorporate unit and functional tests into their projects. When he is not coding or contributing to various developer communities, he can be found hiking around the United States National Parks, teaching judo, or long distance running.

Jim Cupples
Jim Cupples (Ballot Path)

Jim is a political science nerd who has minimal tech chops, but a deep love of Open Source. Jim is currently working with college students from around Oregon (especially PSU) on a project called Ballot Path that will allow users to see all of their elected reps, and how they can replace them. A side project of Ballot Path is creating Open Source GIS political boundary maps (we have to create many of them from scratch for the smaller elected offices, especially in rural areas), which will hopefully be used by people looking to help shape a world that they want their kids to live in.

“Fortune may have yet a better success in reserve for you, and they who lose today may... Read More.

Patrick Curran
Patrick Curran (Java Community Process)

Patrick Curran is Chair of the JCP. In this role he oversees the activities of the organization’s Program Management Office including driving the process, managing its membership, guiding specification leads and experts through the process, leading Executive Committee meetings, and managing the web site.

Patrick has worked in the software industry for more than 25 years, and at Sun (and now Oracle) for almost 20 years. He has a long-standing record in conformance testing, and most recently led the Java Conformance Engineering team in Sun’s Client Software Group. He was also chair of Sun’s Conformance Council, which was responsible for defining Sun’s policies and strategies around Java conformance and compatibility.

Patrick has participated actively in several consortia and communities including the... Read More.

Benjamin Curtis
Benjamin Curtis (Honeybadger Industries), @stympy

Ben has been developing web apps and building startups since ’99, and fell in love with Ruby and Rails in 2005. Before co-founding Honeybadger, he launched a couple of his own startups: Catch the Best, to help companies manage the hiring process, and RailsKits, to help Rails developers get a jump start on their projects.

Ben’s role at Honeybadger ranges from bare-metal to front-end… he keeps the server lights blinking happily, builds a lot of the back-end Rails code, and dips his toes into the front-end code from time to time.

When he’s not working, Ben likes to hang out with his wife and kids, ride his road bike, and of course hack on open source projects.

Michael Dale

Michael is the lead front end architect for Kaltura Open Source Video Platform. In 2006 Michael Dale co-founded an open video community archive of US house and senate floor proceedings. Later he worked on video for Wikipedia. With Kaltura he has worked on HTML5 video for Wikipedia the Internet Archive and dozens of major web properties that make use of Kaltura’s platform. His work includes work on scalable video delivery across numerous browsers and devices, subtitling, advertising, analytics and video editing in HTML5.

Avik Das
Avik Das (Primitive)

I graduated from UC Berkeley with Bachelor’s degrees in EECS and Math, and have since worked at LinkedIn as a software developer. I currently am the lead for the server that powers the LinkedIn iPad application.

In my free time, I love working out, and when I find the time, I like to dabble in cooking.

Jennifer Davidson

Jennifer Davidson is Program Manager for ChickTech, a nonprofit geared toward getting more girls and women interested and retained in technology careers. She is a PhD candidate in Computer Science with a minor in Aging Sciences at Oregon State University. She is currently working on research related to involving older adults in the design and development of open source software. Her research bridges the fields of human-computer interaction, open source software communities, and gerontechnology. She is also the Community Manager for Privly, an open source project related to internet privacy.

A. Jesse Jiryu Davis

Senior Python Engineer at MongoDB in New York City. Author of Motor, an async MongoDB driver for Tornado, and of Toro, a library of locks and queues for Tornado coroutines. Contributor to Python, PyMongo, MongoDB, Tornado, and Tulip.

Kristen  Dedeaux
Kristen Dedeaux (Kristen Dedeaux Consulting )

Kristen Dedeaux is a technical writer and an open source enthusiast. She has a passion for the written word and enjoys sharing her editorial expertise with others. Throughout her seven-year career as a content manager and editor in the fast-paced financial industry, she has championed several successful training programs and designed numerous writing workshops. Within the past year, she created an internal corporate blog, “The Writer’s Block: Tips for Better Business Writing”, which received positive feedback from users across the globe, particularly from software engineers. The fastest red pen in the West, she can wrangle any stubborn sentence into shape.

Ethan Dereszynski
Ethan Dereszynski (Webtrends)

Ethan Dereszynski is a research scientist in machine learning and data mining at Webtrends. He earned his PhD in computer science at Oregon State University in 2012. Ethan’s research focuses on the application of machine learning, in particular Bayesian statistics and probabilistic models, to challenging problems across multiple disciplines. Combining work and play, Ethan is also interested in unsupervised approaches for learning models of player behavior in real-time strategy games (read: accepting all challengers at StarCraft). Prior to studying at Oregon State, he received a B.S. in computer science at Alma College, where he minored in Mathematics and English.

Allele Dev
Allele Dev (Rackspace Hosting Inc.), @cppcabrera

Hey! Nice to meet you. I’m a developer at Rackspace, and I work on the Openstack Marconi project during the day. I enjoy learning from others and sharing knowledge.

Great friends, Linux, open source, Python, and Haskell have helped me get to where I am today.

Henning is an entrepreneur, programmer and game designer. He is the Lead Software Engineer / Berlin at SumUp, a European mobile POS company. Henning is the creator of the Erlang VoltDB driver Erlvolt and a maintainer of the Erlang MySQL driver Emysql. His Open Source contributions for Erlang, Lua, MySQL and VoltDB are direct results of what pieces he found missing for a better game server stack.

Henning wrote his first games on the C64, develops for the web since Netscape 1.0 and produced his first game server with Java 1.0. He created a language to describe tariffs for AXA and programmed and produced browser games. He founded Eonblast to create a more immersive online game experience and as official cover for the... Read More.

Renee DiResta
Renee DiResta (New Knowledge), @noupside

Renee DiResta is Director of Research at cybersecurity company New Knowledge and a Mozilla Fellow in Media, Misinformation, and Trust. She investigates the spread of disinformation and malign narratives across social networks, and has advised the Congress, the State Department, and senior executives on how to understand and respond to influence operations.

diabled_Sebastien disabled_Goasguen

Sebastien has over 15 years experience in the computing area, after a career in academia that led him to be an associate professor at Clemson University he joined Citrix to participate in the Apache CloudStack community. He is now an Apache committer and PMC member in CloudStack and Libcloud.

Connor Doyle
Connor Doyle (, @nor0101

Connor Doyle is a software engineer at Mesosphere, focused on developing tools around Apache Mesos. Before joining Mesosphere, Connor worked at the design firm Gensler where he worked on process improvement, internal libraries and distributed architecture in Scala. He completed his Master’s degree at the University of Wisconsin – La Crosse, where his capstone project was a distributed simulator for doing multi-agent learning research.

Drasko Draskovic

Engineer – artist, Draško usualy builds computers with operating systems in less than 5 square millimeters. He holds MSc degree in Electrical Engineering and has over 10 years of expertise in embedded systems, semicoductor and telecommunications industry, where he hacked the things beyond the limits.

Draško earned his reputation in Open Source community by being constantly involved and contributing to several projects dealing with low-level kernel programming and Linux device drivers like WeIO platform, OpenOCD JTAG debugger or CodeZero L4 hypervisor. He constantly walks on the thin line where hardware meets the software.

Clinton Dreisbach
Clinton Dreisbach (The Iron Yard), @cndreisbach

Clojure and Python hacker for the Consumer Financial Protection Bureau. Lead developer on Qu, the CFPB’s public data platform, and contributor to Clojure, Hy, and other open source projects.

E. Dunham (Mozilla), @qedunham

Emily is a senior in computer science at Oregon State University. Since joining the OSU Open Source Lab in April 2011 a software developer on the Ganeti Web Manager project, she has worked as an intern at Intel, a teaching assistant in the computer science department, and a systems engineer at the OSL. She founded the OSL’s DevOps Bootcamp outreach program in August 2013, and is involved with the OSU Linux Users Group and local FIRST Robotics competitions.

David Elfi
David Elfi (Intel Corporation)

Certainly, David has gained experience in all the different roles he played at Intel since 2008. Mainly based on Ecommerce products guided by AppUp product, he worked for different product flavors in the areas of web services, consumer experience and mobile application development.
Recently, he entered in the world of managing data for business analysis in the research of improvements based on data collected from the field.

Jonathan Ellis (DataStax, Inc), @spyced

Jonathan is CTO and co-founder at DataStax. Prior to DataStax, Jonathan worked extensively with Apache Cassandra while employed at Rackspace. Prior to Rackspace, Jonathan built a multi-petabyte, scalable storage system based on Reed-Solomon encoding for backup provider Mozy. In addition to his work with DataStax, Jonathan is project chair of Apache Cassandra.

Michael Enescu

Michael Enescu is CTO of Open Source Initiatives at Cisco, leading open source programs across multiple technologies and product lines. Previously he served as the first Vice President of Product at XenSource (acquired by Citrix) and one of the first employees. He has a broad range of experience having developed and delivered over two dozen enterprise and consumer software products. Previously he was a founding member of the Mobile Web Services group at Palm and a founding member of the Java Content and J2ME teams at Sun. He led the development of first streaming video servers and digital libraries at SGI. He started his career in storage virtualization at IBM where he managed the development of the earlier versions of IBM’s core... Read More.

Catherine Farman
Catherine Farman (Happy Cog), @cfarm

Catherine Farman is a Developer at Happy Cog, where she builds standards-based websites using HTML, CSS and Javascript. Catherine has taught responsive web design, Javascript, and Sass courses for Girl Develop It. She’s also helped develop new courses and has written open source curricula to share with other teachers. When she’s not at a computer she likes to sew and watch soccer.

Paul Fenwick
Paul Fenwick (Perl Training Australia), @pjf

Paul Fenwick is the managing director of Perl Training Australia, and has been teaching computer science for over a decade. He is an internationally acclaimed presenter at conferences and user-groups worldwide, where he is well-known for his humour and off-beat topics.

In his spare time, Paul’s interests include security, mycology, cycling, coffee, scuba diving, and lexically scoped user pragmata.

*Photograph by Joshua Button.

Mark Ferree
Mark Ferree (Varo Money), @mrf

I am a developer who quickly grew to rely on open source software and tools for all of my projects.

An active Drupal developer for the last seven years I am currently working as the Director of Engineering at Chapter Three where we use Drupal to power large content-managed sites.

Edward Finkler
Edward Finkler (Graph Story), @funkatron

Ed Finkler, also known as Funkatron, started making web sites before browsers had frames. He does front-end and server-side work in Python, PHP, and JavaScript.

He served as web lead and security researcher at The Center for Education and Research in Information Assurance and Security (CERIAS) at Purdue University for 9 years. Now he’s a proud member of the Fictive Kin team. Along with Chris Hartjes, Ed is co-host of the Development Hell podcast.

Ed’s current passion is raising mental health awareness in the tech community with his Open Sourcing Mental Illness speaking campaign. He is part of Engine Yard’s Prompt campaign.

Ed writes at

Keith Fiske
Keith Fiske (OmniTI, Inc), @keithf4

Database Administrator with OmniTI, Inc

Tyler Fitch
Tyler Fitch (CHEF)

Tyler recently joined CHEF as a Customer Success Engineer – championing
best practices and delightful experiences in automation. Prior to
working at Chef he spent a decade as an engineer for Adobe developing
and automating commerce services for using
a variety of technologies. He lives in Vancouver, WA and when he’s not
programming enjoys lacrosse and using his passport.

Beth Flanagan
Beth Flanagan (Intel Corp.), @dirtycitybird

Beth ‘pidge’ Flanagan is a Senior Software Engineer with Intel’s Opensource Technology Center. She spends most of her work life hacking on OpenEmbedded and the Yocto Project. She is the release engineer for the Yocto Project, maintainer of the yocto-autobuilder and pilot of the Yocto Blimp.

Richard Fontana
Richard Fontana (Red Hat)

Richard Fontana is a lawyer who has specialized in open source legal issues for over ten years. He is Red Hat’s lead open source lawyer and supports Red Hat’s engineering and R&D teams. Richard is also a board director of the Open Source Initiative. He has been an active and influential public speaker on matters at the intersection of open source, law and policy.

Neal Ford
Neal Ford (ThoughtWorks), @neal4d

Neal Ford is Software Architect and Meme Wrangler at *Thought*Works, a global IT consultancy with an exclusive focus on end-to-end software development and delivery. He is also the designer and developer of applications, instructional materials, magazine articles, courseware, video/DVD presentations, and author and/or editor of 6 books spanning a variety of technologies, including the most recent The Productive Programmer. He focuses on designing and building of large-scale enterprise applications. He is also an internationally acclaimed speaker, speaking at over 100 developer conferences worldwide, delivering more than 600 talks. Check out his web site at He welcomes feedback and can be reached at

Steve Francia
Steve Francia (Google), @spf13

Steve Francia is the creator of hugo, cobra, nitro & spf13-vim. An author of multiple O’Reilly books, Steve blogs at and gives many talks and workshops around the world. He is the Chief Developer Advocate at MongoDB responsible for the developer experience of MongoDB and leads the software engineering team responsible for drivers and integrations with all languages, libraries and frameworks. He loves open source and is thrilled to be able to work on it full time. When not coding he enjoys skateboarding and having fun outdoors with his wife and four children.

Roberto Galoppini
Roberto Galoppini (FileZilla Project)

Roberto has over 20 years experience in the computer industry, and has spent the last 10 years working in the intersection of open source software and business development. Roberto has taken an active interest in different open source projects and organizations, he also served on some advisory boards, and helped large IT vendors, open source vendors and customers to design and deploy their open source strategies. He currently works at SourceForge as its Senior Director of Business Development.

Matthew Garrett
Matthew Garrett (CoreOS)

Matthew Garrett is a Linux kernel developer, firmware wrangler and meddler in cloud security. By day he works at Nebula, dealing with parts of the cloud that can be used to scare small children. By night, those parts of the cloud scare him.

Omri Gazitt
Omri Gazitt (Hewlett Packard)

Omri Gazitt serves as VP of Engineering of HP’s Helion Platform team, which delivers core parts of the Helion OpenStack and Helion Development Platform products, targeted at Enterprises that want to stand up their own Cloud on-premises, or consume it as a hosted platform in HP’s Managed and Public Clouds. Omri’s team is responsible for Identity & Access, Metering, Monitoring, Management Console, Load Balancing, DNS, Database, Messaging, Application Lifecycle, Developer Experience, and User Experience, and contributes heavily into the OpenStack and Cloud Foundry open source projects.

In prior lives, Omri helped create .NET, Web Services, and Azure, as well as the Xbox and Kinect developer platforms. He lives with his wife and three daughters in Redmond, WA, and loves rainy winter days in... Read More.

Trisha Gee
Trisha Gee (JetBrains), @trisha_gee

Trisha Gee is a developer advocate at JetBrains, where she gets to share all the interesting things she’s constantly discovering. Trisha has developed Java applications for a range of industries, including finance, manufacturing, software, and nonprofit, for companies of all sizes. She has expertise in Java high-performance systems, is passionate about enabling developer productivity, and dabbles with open source development. Trisha is a leader of the Sevilla Java User Group and a Java Champion. She believes healthy communities and sharing ideas help us to learn from mistakes and build on successes.

Vidhya Gholkar (Freelance), @vgholkar

With a PhD in Signal Processing has developed new Machine Learning technologies for oil and gas exploration (Schlumberger). Managed Open Communication technology Standards at Vodafone Group. CTO at mobile startup (Argogroup) which has now been acquired.

Adam Gibson
Adam Gibson (, @agibsonccc

Adam Gibson is a deep­ learning specialist based in San Francisco assisting Fortune 500 companies, hedge funds, PR firms and startup accelerators with their machine learning projects. Adam has a strong track record helping companies handle and interpret big real­-time data. Adam has been a computer nerd since he was 13 and actively contributes to the open­ source community.

Kelsey Gilmore-Innis
Kelsey Gilmore-Innis (Sexual Health Innovations), @kelseyinnis

Kelsey Gilmore-Innis is a back-end engineer at Reverb, where she uses Scala & functional programming to build powerful, scalable software systems. She strives to write code with charisma, uniqueness, nerve and talent and hopes to one day really, truly, deeply understand what a monad is.

Sara Golemon (Facebook), @saramg

I work on PHP, HHVM, and wrote libssh2. I wrote a sizable chunk of Yahoo! Search’s front end, and now I make Facebook fast.

Jesus M. Gonzalez-Barahona

Jesus M. Gonzalez-Barahona is co-founder of Bitergia, the software development analytics company specialized in the analysis of free / open source software projects. He also teaches and researches in Universidad Rey Juan Carlos (Spain), in the context of the GSyC/LibreSoft research group. His interests include the study of communities of software development, with a focus on quantitative and empirical studies. He enjoys taking photos of the coffee he drinks around the world .

Patricia Gorla
Patricia Gorla (The Last Pickle), @patriciagorla

Patricia Gorla is an Apache Cassandra Architect at The Last Pickle, a Cassandra consultancy.

She has been involved in all aspects of software development, from server administration to application development, and from data analysis to data storage.

She has worked with companies and governmental entities on all aspects of data migration to non-relational data stores, and training the technical teams on the new architecture.

She helped the US Patent and Trademark Office ingest more than 6 million patent documents and images; architect secure search systems for a large mortgage insurer; and introduce Cassandra to a digital marketing firm’s data pipeline.

Prior to architecting databases Patricia focused on the analysis and visualization of data.

Patricia speaks often at conferences and meetups such as O’Reilly’s StrataConf +... Read More.

Jessica Goulding
Jessica Goulding (Self-Employed)

Jessica spent 8 years in marketing, becoming an expert in SEO and Social Media, when a passion sparked for web development. Her interest began while doing marketing and customizing Wordpress themes to help small business clientele build websites. After two years, she decided to dive right into being a full-time developer and in the summer of 2012 I taught myself Ruby on Rails and advanced HTML and CSS. She has since worked with everything from the command line, git, bootstrap integration, heroku, amazon web services, pivotal tracker, postgres and mysql database setup.

A forever student, after entering the world of development she gained a passion for attending developer conferences and leaving more inspired and knowledgable. Currently she is attending Turing.IO, a software... Read More.

Neel Goyal
Neel Goyal (Verisign, Inc.)

Neel is a R&D developer at Verisign with over ten years of experience. He
has worked on a variety of initiatives for Verisign ranging from domain related tools, API specifications, and routing protocol implementations. He also serves as a member on Verisign¹s Open Source Committee. Prior to Verisign, Neel worked at a startup developing consumer software for embedded devices and PCs.

Adam Granicz (IntelliFactory), @granicz

Adam Granicz is a long-time F# insider and key community member, and the co-author of four F# books, including Expert F# 3.0 with Don Syme, the designer of the language. His company IntelliFactory specializes in consulting on the most demanding F# projects; shaping the future of the development of F# web, mobile and cloud applications; and developing WebSharper, the main web development framework for F#.

Brian Grant (Google)

Brian Grant is an engineer at Google. He was formerly a lead of
Google’s internal cluster management system, codenamed Borg, and was a founder of the Omega project. He now contributes to Google’s cloud and open-source container efforts.

Chad Granum (Dreamhost)

Current maintainer of Fennec (perl test tool, not the browser),, and Test::Builder/Simple/More

James Grierson (, @jamesgrierson

James Grierson is the current Chief Operating Officer at which powers over 2 million websites worldwide. During his time at Bluehost, James co-founded SimpleScripts automated installer for Open Source applications (merged with the MOJO Marketplace in 2013) and created the Bluehost Open Source Solutions program to support Open Source Communities. These programs provide Open Source projects with a distribution model, user feedback loop, discounted hosting services, financial support and leadership consulting.

John Griffith
John Griffith (SolidFire), @solidfire

John Griffith is a Senior Software Engineer at SolidFire, where his primary responsibility is driving the OpenStack Cinder Block Storage Project. John is an open source expert serving as the project team lead for Cinder. He leads the team to provide first-class SolidFire product functionality and Quality of Service integration within OpenStack. John is also responsible for the development of a true Quality of Service storage appliance designed and built for the cloud.
He has significant software engineering experience, most recently serving as lead software engineer at HP. During his tenure, John focused on building large scale fibre channel SANS to continuously test and develop storage and lead the development on a Unified Storage API.

John holds a bachelor’s degree from Regis... Read More.

Sarah Guido

Sarah is a data scientist at Reonomy, where she’s helping to build disruptive tech in the commercial real estate industry in New York City. Three of her favorite things are Python, data, and machine learning.

Andy Gup
Andy Gup (Esri), @agup

Andy Gup is a Tech Lead at Esri where he focuses on web and mobile geo-spatial APIs. He is an active contributor to a number of open source projects in the geo community.

His background includes working with a wide variety of cutting edge technologies from small websites and mobile apps to high-performance Fortune 500 enterprise systems.

Arun Gupta
Arun Gupta (Amazon Web Services), @arungupta

Arun Gupta is Director of Developer Advocacy at Red Hat and focuses on JBoss Middleware. As a founding member of the Java EE team at Sun Microsystems, he spread the love for technology all around the world. At Oracle, he led a cross-functional team to drive the global launch of the Java EE 7 platform through strategy, planning, and execution of content, marketing campaigns, and program. After authoring ~1400 blogs at on different Java technologies, he continues to promote Red Hat technologies and products at Arun has extensive speaking experience in 37 countries on myriad topics and is a JavaOne Rockstar. An author of a best-selling book, an avid runner, a globe trotter, a Java Champion, he is easily accessible at @arungupta.

Florian Haas
Florian Haas (hastexo)

Florian is an open source software specialist, experienced technical consultant, seasoned training instructor, and frequent public speaker. He has spoken at conferences like LinuxCon, OSCON,, the OpenStack Summit, the MySQL Conference and Expo, and countless user and meetup groups across the globe.

Steve Hannah
Steve Hannah (Simon Fraser University), @shannah78

I am a software developer because I love to create things and software imposes the fewest limitations on my creativity of any medium. Computer + Idea + Time + Perspiration = Any outcome you want.

I started out with a G3 Bondi-Blue iMac and a free copy of Adobe Page Mill in 1998, but quickly expanded my horizon to include HTML, Javascript, PERL, Flash 3, and finally PHP 3 – in that order. Finding myself spending hours reading and writing web apps before and my day job, I decided to take my aspirations to the next level and attend University. I never looked back.

I am a recovering O’Reilly book junkie who still has serious relapses from time-to-time. I try to stay... Read More.

Harold Hannon
Harold Hannon (SoftLayer)

Harold Hannon has been working in the field of software development as both an Architect and Developer for over 15 years, with a focus on workflow, integration and distributed systems. He is currently a Sr. Software Architect at SoftLayer Technologies working within their Product Innovation team. Harold has a passion for leveraging open source solutions to bring real value to the Enterprise space, and has implemented open source solutions with many companies across the globe. Harold is also active in mobile application development, with multiple published applications.

Scott Hanselman

Scott is a web developer who has been blogging at for over a decade. He works on Azure and ASP.NET for Microsoft out of his home office in Portland. Scott has three podcasts, for tech talk, on developers’ lives and loves, and for pop culture and tech media. He’s written a number of books and spoken in person to almost a half million developers worldwide.

Jonah Harris (MeetMe, Inc.), @oracleinternals

Jonah has administered, developed against, and consulted on every major commercial and open source database system to date; his range of knowledge includes everything from query language specifics to the details of Oracle, EnterpriseDB, PostgreSQL, MySQL, SAP DB, Firebird, Ingres, and InnoDB internals, file formats, and network protocols.

Adam Harvey
Adam Harvey (New Relic), @LGnome

Adam is a PHP Agenteer (it’s totally a word) at New Relic who is celebrating his 20th year of swearing at browsers that refuse to do his bidding. In between said bouts of invective, Adam works on various open source projects, including PHP, and attempts to figure out the great mysteries of life (well, the cricket related ones, at least).

Leslie Hawthorn

An internationally known community manager, speaker and author, Leslie Hawthorn has spent the past decade creating, cultivating and enabling open source communities. She created the world’s first initiative to involve pre-university students in open source software development, launched Google’s #2 Developer Blog, received an O’Reilly Open Source Award in 2010 and gave a few great talks on many things open source.

In August 2013, she joined Elasticsearch as Community Manager, where she leads Developer Relations. She works from Elasticsearch’s EU HQ in Amsterdam, The Netherlands – when not out and about gathering user praise and pain points. You can follow her adventures on Twitter

Steve Heffernan

Steve Heffernan is the creator of Video.js, an open source web video player in use on over 100,000 websites and with over 1 billion views per month. Steve was previously co-founder of Zencoder, a cloud video encoding service that was acquired by Brightcove. As part of Brightcove, Steve now works full-time managing the Video.js project and community.

Christopher Helm

Javascript Engineer / solver of geospatial problems

Sam Helman
Sam Helman (Flatiron Health)

Sam has been working as a software engineer at MongoDB since August 2012. Before that, he got his degree in Computer Science at Brown University, where in addition to spending huge amounts of time programming he made films, did comedy, and played music and soccer.

Raymond Henderson
Raymond Henderson (

Ray has over 25 years of experience in the business and non-profit sector. He is the Executive Director of, a nonprofit organization that helps over 8500 nonprofits accelerate their efforts through the use of technology and serves on the Board of Directors for Fight the New Previously, he served as the Executive Director of Ohana Makamae Inc, an award winning substance abuse clinic and as Board President of Ma Ka Hana Ka `Ike, a nationally recognized, building and trades program for “at risk” youth in Hawaii. Prior to his work with non-profits, he worked marketing management for US West Direct, MCI WorldCom and MCA Records. His awards include: 2009 State of Hawaii – Governor’s Innovation Award for Nonprofits, 2008 Maui- Executive... Read More.

Ben Henick
Ben Henick ([sole proprietor]), @bhenick

Ben Henick has worked as a freelance web developer for more than fifteen years, catering especially to SMBs with unique project requirements. He has also fulfilled a number of production contracts relating to sites well-known to technology workers; odds are short that at one time or another, your web browser has rendered a stylesheet that he wrote.

Ben has fulfilled one contract for O’Reilly Media, for HTML & CSS: The Good Parts (2010). He is currently working on three others:

  • The New Beginner’s Guide to HTML (…And CSS) (2014, Atlas-only, free-to-read)
  • No-Nonsense HTML & CSS (2014)
  • Mastering HTML & CSS (2014)

Prior to joining O’Reilly’s author roster, Ben served a stint as the Managing Editor... Read More.

Cody Herriges (Puppet Labs), @cody_herriges

Cody Herriges joined Puppet Labs in 2010 and now serves as the current Tech Lead of Systems maintaining Puppet Labs’ public and private cloud platforms, storage, and hardware infrastructure. He started his career in higher education infrastructure management where he deployed his school’s first x86 virtualization cluster on top of KVM. It was a world of complicated legacy software needing to fit into a transformed open source world. Needing to maintain all this software eventually taught him the importance of automation.

Jason Hibbets

Jason Hibbets is a project manager in Corporate Marketing at Red Hat. He is the lead administrator, content curator, and community manager for and has been with Red Hat since 2003. He is the author of “The foundation for an open source city,” a book that outlines how to implement the open source city brand through open government.

He graduated from NC State University and lives in Raleigh, NC. where he’s been applying open source principles in neighborhood organizations in Raleigh for several years, highlighting the importance of transparency, collaboration, and community building. In his spare time, he enjoys surfing, gardening, watching football, participating in his local government, blogging for South West Raleigh, and training his Border Collies to be frisbee and... Read More.

Bridget Hillyer

Bridget is an independent software consultant of many years. She is on the journey to become a Clojure programmer.

Mark Hinkle
Mark Hinkle (The Linux Foundation ), @mrhinkle

Once upon a time, a lot longer ago then he wished Mark Hinkle was born in a small Pennsylvania town and through the most unlikely sequence of events ended up as a technologist involved in the development and evangelism of free and open source software. Mark has written extensively on open source as the former editor-in-chief of LinuxWorld Magazine and for numerous other publications (Network World, Forbes, He currently is the Senior Director, Open Source Solutions at Citrix Systems where he helps support the Apache CloudStack and projects. You can find his blog at and you can follow him on Twitter @mrhinkle.

Rob Hirschfeld

With a background in Mechanical and Systems Engineering, Rob Hirschfeld, Sr. Distinguished Cloud Architect at Dell, specializes in operations for large scale, integrated, and innovative cloud systems. He’s a community elected OpenStack board member, a leader of Dell’s OpenStack efforts, and founder of the Crowbar project. Rob helps Dell to set strategy for cloud computing, drives innovative cloud solutions to market, and works with customers on their cloud implementations. Rob is a graduate of Duke and Louisiana State University. In addition to cloud technologies, Rob is also known for his passion and expertise on the Agile/Lean process. You can find Rob’s thoughts on cloud innovation at his blog or as @Zehicle. on Twitter.

Jeanne Holm (Jet Propulsion Laboratory, NASA), @jeanne_jpl

Jeanne Holm is the Chief Knowledge Architect at the Jet Propulsion Laboratory (JPL), California Institute of Technology. Ms. Holm leads NASA’s Knowledge Management Team, looking at how to access and use the knowledge gathered over the many missions of the US space agency to support missions and to drive innovation. As a lead for the award-winning NASA public and internal portals, she was at the helm of NASA’s web during the largest Internet event in Government history—the landing of the Mars Exploration Rovers on the surface of Mars. As the lead implementer for technologies supporting project managers at NASA, her team’s solutions are helping to drive how people will manage space missions in the future, learn virtually, and share lessons learned. Her... Read More.

Johnny Hughes
Johnny Hughes (CentOS Project)

CentOS-4 Lead Developer, CentOS-5 updates, CentOS-6 updates. If you are looking for me in the CentOS IRC channels or Forums I am hughesjr there.

I first started working with UNIX in the early 1980’s with an AT&T 3b2 server.

I first started working with Linux in 1995 with a Red Hat Linux webserver.

I retired from the US Navy in 1997 (I spent ~20 years as a Engineering Laboratory Technician on Nuclear Submarines while in the US Navy). Lots of that time I also spent as a UNIX systems administrator working with AT&T and HP-UX servers.

Since 1997 I have been a UNIX (HP-UX, AIX, Solaris), Windows (NT, 2000, 2003), Linux (Red Hat, CentOS) systems administrator, an Oracle DBA,... Read More.

Nathan Humbert
Nathan Humbert (New Relic, Inc.)

Nathan Humbert is a Senior Software Engineer at New Relic where he works with an amazing group of people to build software that helps people understand how their software is functioning.

Michael Hunger

Michael Hunger has been passionate about software development for a long time. He is particularly interested in the people who develop software, software craftsmanship, programming languages, and improving code.

For the last two years he has been working with Neo Technology on the Neo4j graph database. As the project lead of Spring Data Neo4j he helped developing the idea to become a convenient and complete solution for object graph mapping. He is also taking care of Neo4j cloud hosting efforts.

As a developer he loves to work with many aspects of programming languages, learning new things every day, participating in exciting and ambitious open source projects and contributing to different programming related books. Michael is a frequent speaker at industry events and is an active... Read More.

Pete Hunt

Hacker at Facebook, currently leading web engineering. Formerly Facebook Photos and Videos lead.

Core team on and

Kirsten Hunter

Kirsten Hunter is an unapologetic hacker and passionate advocate for the development community. Her technical interests range from graph databases to cloud services, and her experience supporting and evangelizing REST APIs has given her a unique perspective on developer success. In her copious free time she’s a gamer, fantasy reader, and all around rabble-rouser. Code samples, recipes, and philosophical musings can be found on her blog, Princess Polymath.

Vanessa Hurst
Vanessa Hurst (CodeMontage), @DBNess

Vanessa is a data-focused developer and the CEO of CodeMontage, which empowers coders to improve their impact on the world. She believes computing is one of the most efficient and effective ways to improve the human experience. She founded Developers for Good and co-founded WriteSpeakCode and Girl Develop It. Previously, she wrangled data at Paperless Post, Capital IQ, and WealthEngine. Vanessa holds a B.S. in Computer Science with a minor in Systems and Information Engineering from the University of Virginia.

Vanessa’s work in technology education and social change has appeared on the TODAY show, NPR, Al Jazeera America, Entrepreneur, The New York Times, Fast Company, and other media. She serves as a cast member for, a... Read More.

Mihail Irintchev

Born and living in Sofia, Bulgaria

Lived in Ohio for a while

Bachelor’s degree in CS from the American University in Bulgaria, class of 2003

MSc from Sofia University – Electronic Business, class of 2006

Web developer since 2003

Co-founder of the BulgariaPHP user group

Working at SiteGround since 2003

Interested in history, military vehicles, motorcycles, science fiction, rock’n’roll

Phil Jackson
Phil Jackson (SoftLayer)

Phil Jackson is Development Community Advocate for SoftLayer. He helps customers and partners integrate with the SoftLayer’s API. He also architects the company’s Drupal websites, writes API documentation, and maintains the developer blog. Formerly, he was a Sales Engineer building internal tools and providing technical consultation for potential and existing customers. Jackson started his career in webhosting at Ev1Servers where he led the training department. With a passion for technology that started at a young age, he has developed skills in a variety of scripting and programming languages and enjoys sharing his knowledge with the tech community.

Daniel Jacobson

Daniel Jacobson is the Director of Engineering for the API and Playback Services at Netflix, responsible for delivering more than one billion streaming hours a month to Netflix users on more than 1,000 device types. Prior to Netflix, he was Director of Application Development at NPR, leading the development of NPR’s custom content management system. He also created NPR’s API which became the distribution channel for getting NPR content to mobile platforms, member station sites throughout the country as well as to the public developer community. Daniel also co-authored the O’Reilly book, “APIs: A Strategy Guide.

Paul Kehrer (Rackspace), @reaperhulk

Paul Kehrer is the crypto expert on the Barbican project, an open source key management platform for OpenStack. He has experience running a public certificate authority as well as doing significant open source work in cryptography by writing and maintaining r509, a ruby library for managing a certificate infrastructure and cryptography, a modern python crypto library.

Benjamin Kerensa

Benjamin Kerensa is an internationally recognized open source evangelist, community manager, writer and speaker who currently is a Firefox Release Manager and Community Manager for Trovebox.

Saud Khan
Saud Khan (Twitter)

Over the past years Saud has worked on upgrading the user experience of Twitter for Android including search, trends and collections. From bringing search suggestions to the amazing photo grid of search results, Saud has worked with the designers to bring advanced search features in a mix of Twitter and Android design paradigm.

Before that Saud developed a generic call management library used to bring VoIP capabilities in various mobile devices including Android, iOS and Windows CE. Additionally he worked on porting the solution over to myriad of embedded platforms like radio gateways and call boxes.

Shashank Khandelwal
Shashank Khandelwal (Consumer Financial Protection Bureau), @gazeti

As a Design and Technology Fellow at the Consumer Financial Protection Bureau, Shashank Khandelwal develops software to make consumer financial products work for the American people. He have over eight years of software development experience and his career spans multiple domains, languages and technologies. More recently, Shashank used a data-driven approach to study human health behavior. He wrote software to collect large-scale social media data, filter, and analyze it using machine learning techniques, and released it as a disease surveillance platform for the academic, private, and government health community. One of his earlier Twitter-based studies has been featured on NPR (“What Twitter Knows about Flu” by Jordan Calmes on October 14, 2011). Previously, he wrote document management software and worked on the vacation packages... Read More.

Kevin Kluge
Kevin Kluge (Elasticsearch), @kevinkluge

Kevin is Vice President of Engineering at Elasticsearch, which produces open source search and analytics software. Previously Kevin was at Citrix Systems where he was responsible for engineering of Citrix CloudPlatform, powered by Apache CloudStack. Kevin has also held senior engineering positions at several other start-ups, including and Zimbra, and Sun Microsystems. Kevin has a B.S. and M.S. in Computer Science from Stanford University.

Francesca Krihely

Francesca is the Community Lead for MongoDB, managing the fastest growing community in Big Data. In this role she is responsible for managing acquisition and development of new community members and build out open source contributions to MongoDB’s server and project ecosystem. She holds a BA from Oberlin College in History and Sociology and is a recovering Philosophy nerd.

Bradley Kuhn
Bradley Kuhn (Software Freedom Conservancy), @bkuhn_ebb_org

Bradley M. Kuhn is the president and distinguished technologist at Software Freedom Conservancy, on the board of directors of the Free Software Foundation, and editor-in-chief of He’s been a part of the software freedom movement since 1992. Previously, he worked as a system administrator and software developer for various companies, taught AP computer science, served as executive director of FSF, led FSF’s GPL enforcement, launched its associate member program, invented the Affero GPL, was president of the Software Freedom Conservancy, and has been a primary volunteer and full-time staffer at the Conservancy. He earned his BS in computer science from Loyla University in Maryland and an MS in computer science from the University... Read More.

Andreas Kunz

Working as software developer and architect at SAP since 2005, focusing on web-based user interfaces.
Member of the UI5 UI library development team since its inception and a main driver behind open-sourcing it as “OpenUI5”.

Spreading the web UI love as speaker at conferences like OSCON, Fluent, devoxxUK, and SAP’s own UI5con and TechEd Las Vegas conferences.

Lars Kurth
Lars Kurth (Citrix Systems Ltd), @lars_kurth

Lars Kurth had his first contact with the open source community in 1997 when he worked on various parts of the ARM toolchain. This experience led him to become a passionate open source enthusiast who has worked with and for many open source communities over the past 15 years. Lars has contributed to projects including GCC, Eclipse, Symbian, and Xen and became the open source community manager for in 2011. Lars is an IT generalist with a wide range of skills in software development and methodology. He is experienced in building and leading engineering teams and communities, as well as constructing marketing, product management, and change programs impacting thousands of users. Lars has 17 years of industry experience in the infrastructure, tools,... Read More.

Shadaj Laddad
Shadaj Laddad (School)

Shadaj is a 14 year old who loves to program. He has programmed in Logo, NXT Mindstorms, Ruby, Python, C, Java, and Scala—his favorite. Shadaj hosts his projects on GitHub, and has a educational channel on Youtube. He has presented at Scala Days 2013, Scala Days 2012, and the Bay Area Scala Enthusiast group showing his Scala projects. Besides programming, he likes Math and Science. Shadaj is also an active member of his school community as Student Council President. He loves spreading a love of technology, and started TechTalks—a program that brings guest speakers to share their knowledge and enthusiasm with students at his school. When not doing his school work or programming, he plays guitar, sitar, and games, some of which he created.

... Read More.
Michael Laing
Michael Laing (New York Times)

NYTimes; Systems Architect; 2011-present — Architect of nyt⨍aбrik

United Nations; IT Evangelist; 2002-2011 — Principal advisor to CIO

Blue Note Technology; CEO etc; 1998-2002

  • 2001 New England Web Design award
  • 2000 Software and Information Industry Association Codie award

Harvard University Tech Eval Group; consultant; 1985-1998


  • Harvard Business School
  • United States Military Academy


  • Sings
  • Dances
Alex Lakatos

Alex Lakatos is a Mozilla Representative and contributor to the Mozilla project for the past three years, based in Cluj-Napoca, the heart of Transylvania. He’s a JavaScript developer building on the open web, trying to push it’s boundaries every day. You can check out his github profile or get in touch on twitter. When he’s not programming, he likes to travel the world, so it’s likely you’ll bump into him in an airport lounge.

James Lance (

James Lance is a developer at He has been developing in Perl for over 10 years. He is also an active member in the Utah Open Source community and Core Team member of the OpenWest Conference

When he’s not behind a computer you can usually find a yo-yo in his hand. He also enjoys Ham radio, camping, and various forms of BBQing (smoking in particular).

Yoav Landman

Yoav is the CTO of JFrog, the Artifactory Binary Repository creators, JavaOne 2011 and 2013 Duke Choice Awards winner; Yoav laid the foundation to JFrog’s flagship product in 2006 when he founded Artifactory as an open source project.
In 2008 he co-founded JFrog where he leads the future of products like Artifactory and, more recently, Bintray.
Prior to starting up JFrog, Yoav was a software architect and consultant in the field of configuration management and server-side JVM applications.
Yoav blogs at and

Markus Lanthaler

Markus has been programming since the age of 9. After a short journey with Perl, he quickly moved to PHP for most of his Web-related programming. He implemented his first PHP-based CMS more than 10 years ago (about the time of Drupal’s first release), worked with Symfony when it was still Mojavi, and launched his first online shop in 2003. Since then he has been programming almost everything from microcontrollers on Smart Cards (in assembler) up to large-scale distributed systems. More recently Markus’ focus shifted to large, distributed Web applications. He is one of the core designers of JSON-LD, the inventor of Hydra, and a W3C Invited Expert.

Walter `wxl` Lapchynski
Walter `wxl` Lapchynski (Bike Friday)

Walter ♥ everything about bikes & computers. He’s a Release Manager for Lubuntu & the Team Leader for Ubuntu Oregon. Bioinformatics looms in his future, as much as his obsession with Unicode allows…

Chris Launey
Chris Launey (The Walt Disney Company), @clauney

Chris Launey is the Director of Cloud Services & Architecture in the core
architecture and engineering group at the Walt Disney Company. His
organization lives at the intersection of the quickly shifting demands of
a media and entertainment company and the mission of a managed service
provider to maintain a stable, scalable, and efficient technology
platform. Chris team launched Disney¹s first true on-demand IaaS offering
and built a service integration platform to cloudify more internal
technology services. His team is now building on that to make pubic
services easier to broker and consume for the Walt Disney Company.

Mark Lavin (Caktus Consulting Group), @DrOhYes

Mark is a lead Python/Django developer and technical manager at Caktus Consulting Group in Carrboro, NC. He also runs a small homebrewing website written in Django called He came to Python web development after a few years pricing derivatives on Wall Street. Mark maintains a number of open source projects primarily related to Django development and frequently contributes back to projects used by Caktus. When he isn’t programming, Mark enjoys spending time with his wife and daughter, brewing beer, and running.

Ed Leafe (Rackspace), @EdLeafe

Ed has been a developer for over 20 years, and is one of the original developers involved with the creation of OpenStack. After leaving the Microsoft world over a decade ago he has been primarily a Python developer, and has spoken as several US PyCons, as well as PyCon Australia and PyCon Canada. He has been working with Rackspace for the past 6 years as a senior Python developer. He also throws a mean Frisbee.

Jonathan LeBlanc
Jonathan LeBlanc (PayPal / Braintree), @jcleblanc

Jonathan LeBlanc is an Emmy award winning software engineer, author of the O’Reilly book “Programming Social Applications”, and the head of North American Developer Evangelism at PayPal. Specializing in user identity concepts, hardware to web interconnectivity, data mining techniques, as well as open source initiatives around social engagement, Jonathan works on the development of emerging initiatives towards building a more user-centric web.

Robert “r0ml” Lefkowitz is the CTO at Sharewave, a startup building an investor management portal. This year, he was a resident at the winter session of Hacker School. He is a Distinguished Engineer of the ACM.

Janice Levenhagen-Seeley

Janice is the Executive Director of ChickTech. She has a BS in Computer Engineering from Oregon State University and an MBA from Willamette University. She believes strongly that the diversity and strengths that women can bring will push high tech to even more impressive heights. Her inspiration for creating ChickTech came from her own experiences in computer engineering and the realization that the percentage of women in engineering isn’t going to get higher by itself.

Pernilla Lind

Pernilla is the Community Manager at Neo Technology, the company behind the open source project Neo4j. Pernilla loves to connect and spread the word of graphs and bring new ideas into life. She is an engaging speaker and teacher and hasthe mission in life to spread knowledge about technology.Pernilla spent some times in Kenya with the massai people for a year to build up their infrastructure and engage their community to do income generating activities. Before that she lived in Gambia to help up a womens organization.

Pernilla is also an engaging member and organizer of Geek Girl Meetup, a network for women in tech in Sweden, where she plans and organizes conferences and meetups. She is always involved in different technoogy ecosystems and loves... Read More.

Philip Lindsay
Philip Lindsay (, @RancidBacon

Philip Lindsay (also known as “follower” from ) writes documentation, creates code libraries, develops example projects and provides developer support for companies including Pebble Technology, SparkFun Electronics, Arduino and other clients.

Tim O’Reilly once called Philip a “troublemaker” for his early Google Maps reverse engineering efforts.

He has a particular interest in the areas where design, art, craft and technology intersect.

Follow his project logs at Labradoc.

Steve Lipner (Microsoft Corp.), @msftsecurity

Steve Lipner, Senior Director of Security Engineering Strategy, Microsoft’s Trustworthy Computing Group

As the senior director of security engineering strategy in Microsoft Corp.’s Trustworthy Computing Group, Steve Lipner is responsible for Microsoft’s Security Development Lifecycle team, including the development of programs that provide improved product security and privacy to Microsoft® customers. Additionally, Lipner is responsible for Microsoft’s engineering strategies related to the company’s End to End Trust initiative, aimed at extending Trustworthy Computing to the Internet.

Lipner has more than 35 years experience as a researcher, development manager and general manager in information technology security, and is named as inventor on thirteen U.S. patents in the field of computer and network security. He holds both an S.B. and S.M. degree from the Massachusetts Institute of... Read More.

Josh Long
Josh Long (Pivotal), @starbuxman

Josh Long is the Spring developer advocate at [Pivotal]( Josh is the lead author on 4 books and instructor in one of Safari’s best-selling video series, all on Spring. When he’s not hacking on code, he can be found at the local Java User Group or at the local coffee shop. Josh likes solutions that push the boundaries of the technologies that enable them. His interests include cloud-computing, business-process management, big-data and high availability, mobile computing and smart systems. He blogs on []( or on [his personal blog]( and [on Twitter (@starbuxman)](

Tim Mackey
Tim Mackey (Synopsys), @TimInTech

Tim Mackey is a technology evangelist for XenServer and CloudStack within the Citrix Open Source Business Office and focused on server virtualization and cloud orchestration technical competencies. When he joined Citrix in 2003, he was an engineer and architect focused on low impact application performance monitoring. During his tenure at Citrix he has held roles in the XenServer team as an architect, consultant, product manager and product marketing.

Anil Madhavapeddy
Anil Madhavapeddy (Docker, Inc), @avsm

Dr. Anil Madhavapeddy is a Senior Research Fellow at Wolfson College and is based in the Cambridge University Computer Laboratory, investigating programming models for cloud computing. Anil was on the original team at Cambridge that developed the Xen hypervisor, and subsequently served as the senior architect and product director for XenSource/Citrix before returning to academia.

Anil has a diverse background in industry at Network Appliance, Citrix, NASA, and Internet Vision. He is an active member of the open source development community with the OpenBSD operating system and more, and the co-chair of this year’s Commercial Uses of Functional Programming conference.

Rachel Magario (The Blind Visionary), @rachelmagario

Rachel Magario is an Assistive Technology Specialist at Pacer Simon Technology Center. As the first totally blind interaction designer, Rachel is known as a leader and visionary who has triumphed over adversity consistently throughout her life.

Rachel has presented at SXSW Interactive and consulted for various companies and universities throughout the United States on accessibility. Rachel has an MBA with a concentration in Marketing and a Masters in Interaction design from the University of Kansas.

Magario’s dream is that usability and accessibility can be considered from the start of a project and not as an after thought. She believes this would open the door for access of information and for accessible tools. This shift would allow her and others to pursue their careers... Read More.

Allison Mankin
Allison Mankin (Verisign, Inc.)

Allison is the Director of Verisign Labs, a research organization focusing on long-term evolution of the
Internet infrastructure and on open standards-based prototyping. She has been active in Internet engineering
and research for over 25 years, including having served at the Internet Engineering Task Force as an area
director for 10 of those years. She is best known having co-led the IPng Selection Process at IETF (long ago).
Past open source projects include open internet conferencing, multicast and IPv6. Her research and RFCs have been primarily in the areas of TCP and DNS and their security.

Jon Manning
Jon Manning (Secret Lab), @desplesda

Jon Manning is the co-founder of Secret Lab, an independent game development studio based in Hobart, Tasmania, Australia. He’s worked on apps of all sorts, ranging from iPad games for children to instant messaging clients. He’s a Core Animation demigod, and frequently finds himself gesticulating wildly in front of classes full of eager-to-learn iOS developers.

Jon is currently writing “Mobile Game Development With Unity” and “iOS Game Development Cookbook”, both for O’Reilly, and is the co-author of the books “Learning Cocoa with Objective-C Third Edition” (O’Reilly, 2012 and 2014), “iPhone and iPad Game Development For Dummies” (Wiley, 2010) and “Unity Mobile Game Development For Dummies” (Wiley, 2011).

Jon is the world’s biggest Horse_ebooks fan ( Horse_ebooks), and can be found on Twitter as @desplesda.
Joshua Marinacci

Ask me about HTML Canvas, mobile apps, and visual design. Or 3D printing and wearable computing. Or just ask me to rant about Java.

Josh Marinacci is a blogger and co-author of “Swing Hacks” and “Building Mobile Apps with Java” for O’Reilly. He is currently a researcher for Nokia.

He previously worked on webOS at Palm and JavaFX, Swing, NetBeans, and the Java Store at Sun Microsystems.

Josh lives in Eugene, Oregon and is passionate about open source technology & great user experiences.

Elaine Marino
Elaine Marino (LadyCoder Productions), @elaine_marino

Elaine Marino is a Ruby on Rails coder, marketer and entrepreneur with a 13-year background in strategic marketing and brand-building for Fortune 500 companies. Her ability to communicate effectively, manage large-scale projects, build brands and communities as well as web applications, puts her in a unique position within the software sector. There is a sweet-spot where technology enhances the lives of people and communities — that is where she thrives.

She founded LadyCoders Boulder, a 2 day career career conference for 60 women software engineers, hosted at Google Boulder. LadyCoders Boulder provides tangible, real-world advice to women engineers to advance their careers.

Will Marshall
Will Marshall (Planet Labs), @wsm1

Will is responsible for setting the company’s vision and and for architecting the company strategy. Previously, Will was a Scientist at NASA/USRA where he served as Co-Investigator for PhoneSat, Science Team member on the LCROSS and LADEE lunar missions. He led research projects in orbital space debris remediation. Will has published over 30 articles in scientific publications. Will received his Ph.D. in Physics from the University of Oxford and was a Postdoctoral Fellow at Harvard University.

Alex Martelli
Alex Martelli (Google)

Alex Martelli wrote “Python in a Nutshell” and co-edited
“Python Cookbook”. He’s a PSF member, and won the 2002 Activators’ Choice Award and the 2006 Frank Willison Award for contributions to the Python community. He works as Senior Staff Engineer for Google. You can read some PDFs and
watch some videos of his past presentations.

Ritchie Martori
Ritchie Martori (StrongLoop)

Ritchie Martori is Node.js and Mobile developer at StrongLoop where he focuses on LoopBack, an open source mobile backend-as-a-service. He previously authored deployd, another mBaaS in use by over 20,000 developers to create their backend APIs, and is a contributor to Angular.js.

Matt May (Adobe Systems)

Matt May
Accessibility Evangelist, Open Source and Accessibility

Matt May is a developer, technologist, and accessibility advocate who is responsible for working internally and externally with Adobe product teams and customers to address accessibility in Adobe products, ensure interoperability with assistive technologies, and make customers aware of the many accessibility features that already exist in Adobe products.

Prior to joining Adobe, May worked for W3C/WAI on many of the core standards in web accessibility, led the Web Standards Project’s Accessibility Task Force, helped to architect one of the first online grocery sites,, and co-founded Blue Flavor, a respected web and mobile design consultancy. He is a member of the W3C/WAI Web Content Accessibility Guidelines Working Group and... Read More.

Steve Mayzak
Steve Mayzak (Elasticsearch)

Steve Mayzak heads up the Systems engineering team at Elasticsearch. Having been in the software industry for over 15 years he has worked as a Developer, Architect and most recently as a Systems engineering leader. Steve loves bringing cutting edge Open Source technology to customers large and small and helping them solve some of their biggest and most interesting challenges.

Caroline McCrory
Caroline McCrory (Gigaom Research), @CloudOfCaroline

Caroline is Senior Director at Gigaom Research. Caroline has a background in network and security engineering, enterprise operations and has served at companies such as ServiceMesh, VMware, Cisco, EMC, Siemens, CSC, the BBC and Motorola. Most recently, Caroline was Head of Product at Piston Cloud Computing, an enterprise OpenStack software company.

Matthew McCullough

Matthew McCullough, Training Pioneer for GitHub, is an energetic 15 year veteran of enterprise software development, world-traveling open source educator, and co-founder of a US consultancy. All of these activities provide him avenues of sharing success stories of leveraging Git and GitHub. Matthew is a contributing author to the Gradle and Jenkins O’Reilly books and creator of the Git Master Class series for O’Reilly. Matthew regularly speaks on the No Fluff Just Stuff conference tour, is the author of the DZone Git RefCard, and is President of the Denver Open Source Users Group.

Chris McEniry
Chris McEniry (Sony Network Entertainment), @macmceniry

Chris “Mac” McEniry is a practicing sysadmin responsible for running a large ecommerce and gaming service. He’s been working and developing in an operational capacity for 15 years. In his free time, he builds tools and thinks about efficiency.

Patrick McFadin
Patrick McFadin (Datastax)

Patrick McFadin is regarded as a foremost expert for Apache Cassandra and data modeling. As Chief Evangelist for Apache Cassandra and consultant working for DataStax, he has been involved in some of the biggest deployments in the world.

Patrick McGarry
Patrick McGarry (Red Hat)

Patrick is currently incarnated as a Director of Community at Red Hat working to spread the Ceph gospel. An experienced community manager, gamer, mischief maker, and all around geek, Patrick spent five years writing and managing Slashdot under the nomme du keyboard
‘scuttlemonkey.’ Patrick enthusiastically helps companies to understand and adopt Open Source ideals and continues to be a strong advocate of FOSS on the desktop and in the enterprise. He has strong feelings about tomatoes, longs for his deep, dark cave, and still
hates writing these bios.

Mark McLoughlin is a consulting engineer at Red Hat and has spent over a decade contributing to and leading open source projects like GNOME, Fedora, KVM, qemu, libvirt, oVirt and, of course, OpenStack.

Mark is a member of OpenStack’s technical committee and the OpenStack Foundation board of directors. He contributes mostly to Oslo, Nova and TripleO but will happily dive in to any project.

Mark is responsible for Red Hat’s OpenStack technical direction from the CTO office.

Harrison Mebane
Harrison Mebane (Silicon Valley Data Science), @harrisonmebane

I have a background in theoretical physics, but now I do fun stuff with data. I enjoy numbers, coding, and learning new tools.

Gian Merlino

As a senior software engineer at Metamarkets and on the Druid project, Gian is responsible for core infrastructure development including real-time data processing and ingestion. He comes to Metamarkets from Yahoo! where he was responsible for its worldwide server deployment and configuration management platform. He holds a BS in Computer Science from California Institute of Technology.

Justin Miller

Justin Miller is mobile lead at Washington, DC-based Mapbox working on the future of open mapping. He created the SQLite-based MBTiles open map tile format, contributed the leading offline map implementation for iOS, wrote the Simple KML parser, contributes to the Mac version of the TileMill map-making studio, and does it all in the open here. He lives and works here in Portland.

Katie Miller

Katie Miller is an OpenShift Developer Advocate at Red Hat, where she tries to squeeze as many different programming languages into her workdays as possible. The former newspaper journalist loves language, whether code or copy, and will pedantically edit any text you let her touch. Katie is a Co-Counder of the Lambda Ladies group for women in functional programming and one of the organisers of the Brisbane Functional Programming Group.

Michael Minella

Michael Minella is a software engineer, teacher and author with over a decade of enterprise development experience. Michael was a member of the expert group for JSR-352 (java batch processing). He currently works for Pivotal as the project lead for the Spring Batch project as well as an instructor at DePaul University. Michael is the author of Pro Spring Batch from Apress and the popular Refcard JUnit and EasyMock.

Outside of the daily grind, Michael enjoys spending time with his family and enjoys woodworking, photography, and InfoSec as hobbies.

Wade Minter
Wade Minter (Custom Communications), @minter

H. Wade Minter is the CTO and founding team member at TeamSnap, an application that makes managing sports teams and groups easy. He is also the ring announcer for a professional wrestling federation. The two may be related.

Manav Mishra (HP Helion)

Manav is currently the Director of Product for HP Helion where he leads the product team responsible for the developer platform and experience.

Manav has been in several product and engineering leadership roles across the tech industry. Most recently, at Google, Manav led the product management team responsible for the core and enterprise products for Google Analytics. Prior to joining Google, Manav spent 10-years at Microsoft leading product teams responsible for Windows (shell user experience, search and file management, cloud integration and the developer platform), Live Mesh (SkyDrive), OneCare and machine-learning based safety and security protection in Outlook, Exchange, Hotmail and Internet Explorer. Manav started his career at Intel as a software engineer working on x86 instruction set optimizations and networking protocols for Linux. He... Read More.

Lorna Mitchell

Lorna is an independent PHP consultant based in Leeds, UK. She leads the open source project, which provides a platform for real-time, public feedback at community events. She is an experienced event organiser and speaker herself, having hosted the Dutch PHP Conference and co-founded the PHP North West conference and user group. She has spoken at technical events across Europe and beyond, predominantly on technical topics around PHP and APIs, but also on topics around business, projects and open source. She regularly delivers technical training sessions and is also active as a mentor with Author of the book PHP Master from Sitepoint, Lorna loves to write and is regularly published at a number of outlets including netmagazine and... Read More.

Eric Mittelette (Microsoft Open Tech), @ericmitt

Developer Evangelist since the year 2000 in Microsoft France, Eric animate sessions and keynotes about Microsoft development platform since the beginning of .NET. At this time Eric integrate open source software and framework in his work, and join recently Microsoft Open Technologies, Inc as a Senior Technical Evangelist. Passionate about code algorithm since the 90’s, eric work with C, C++, C# and try to illustrate technologies breakout with simplicity and fun. His background as Agronomic researcher provide him, an different point of view and approach and a real vulgarization expertise.

Richard Mortier
Richard Mortier (University of Nottingham), @mort___

Richard Mortier is Horizon Transitional Fellow in Computer Science at the University of Nottingham. His research focuses on user-centred systems, investigating the challenges that arise when we design and deploy infrastructure technology with which real people must interact. Specific current projects include exokernels for secure high-performance multiscale computing (Mirage); infrastructure for building a market around privacy-preserving third-party access to personal data (Dataware); and novel approaches to deploying and managing personal network services. Prior to joining Nottingham he spent two years as a founder of Vipadia Limited designing and building the Clackpoint and Karaka real-time communications services (acquired by Voxeo Corp.), six years as a researcher with Microsoft Research Cambridge, and seven months as a visitor at Sprint ATL, CA. He received a Ph.D. from... Read More.

Diane Mueller
Diane Mueller (Red Hat OpenShift)

Diane Mueller is RedHat’s OpenShift Origin Open Source Community Manager. Diane has been designing and implementing products and applications embedded into mission critical systems at F500 corporations for over 20 years She is a thought leader in cloud computing, open source community building, and cat herding.


Dan Muey
Dan Muey (cPanel Inc)

I have dedicated over ten years to cPanel and have loved every minute of it: I ♥ cPanel! Before cPanel I spent ten years at various technology companies working on everything from server and database administration to front/back–end web development and other programming. In my free time I enjoy playing music, time with my wife, and being an uncle.

Scott Murray
Scott Murray (University of San Francisco), @alignedleft

Scott Murray is a code artist who writes software to create data visualizations and other interactive phenomena. His work incorporates elements of interaction design, systems design, and generative art. Scott is an Assistant Professor of Design at the University of San Francisco, where he teaches data visualization and interaction design. He is a contributor to Processing, and is author of the O’Reilly title “Interactive Data Visualization for the Web: An Introduction to Designing with D3”.

Henri Muurimaa, MSc. has been a professional developer and team leader since 1997. Over the years he has used many Java technologies and tools in a plethora of projects ranging from days to dozens of man-years. Lately he has been exploring building desktop-like web applications with Scala and Vaadin. He is a contributor to the Scaladin project and has been a member of the Vaadin team since 2002.

Chad Naber (Intel)

Chad is a data engineer with more than 12 years of progressive experience in leading, industry-recognized multi-national service organizations such as Intel, Nike and He has experience with leading edge technologies such as Redshift, SQL Server , Hadoop (both utilizing the streaming API and direct Java), and Hive with a baseline of experience in Agile data warehousing. Chad currently is working as a big data architect at Intel.

Rachel Nabors
Rachel Nabors (, @RachelNabors

Rachel Nabors is an interaction developer, award-winning cartoonist, and host of the Infinite Canvas Screencast. She deftly blends the art of traditional storytelling with digital media to “tell better stories through code” at her company Tin Magpie. You can catch her as @RachelNabors on Twitter and at

David Nalley (Apache CloudStack (incubating)), @ke4qqq

David is a recovering sysadmin with a decade of experience. He’s a committer on the Apache CloudStack (incubating) project, and a contributor to the Fedora Project.

Paco Nathan
Paco Nathan (, @pacoid

O’Reilly author (Enterprise Data Workflows with Cascading) and a “player/coach” who’s led innovative Data teams building large-scale apps for 10+ yrs. Expert in machine learning, cluster computing, and Enterprise use cases for Big Data. Interests: Mesos, PMML, Open Data, Cascalog, Scalding, Python for analytics, NLP.

Wynn Netherland

Wynn Netherland has been building the web for nearly twenty years. With a passion for API user experience, he’s a prolific creator and maintainer of Ruby API wrappers. He now spends his days hacking on the GitHub API and is author of several books, most recently Sass and Compass in Action (Manning 2013).

Christopher Neugebauer
Christopher Neugebauer (AlphaSights | Python Software Foundation), @chrisjrn

Christopher is a Python programmer from Hobart, Tasmania. He’s a Computer Science Honours graduate of the University of Tasmania, and he now works primarily as an Android developer. Working with Android means that his day job involves more Java than he’d like. He has a strong interest in the development of the Australian Python Community — he is an immediate past convenor of PyCon Australia 2012 and 2013 in Hobart, and is a member of the Python Software Foundation.

In his spare time, Christopher enjoys presenting on Mobile development at Open Source conferences, and presenting on Open Source development at Mobile conferences.

Deb Nicholson
Deb Nicholson (Software Freedom Conservancy), @baconandcoconut

Deb Nicholson is the director of community operations at Software Freedom Conservancy, where she supports the work of its member organizations and facilitates collaboration with the wider free software community. A free software policy expert and a passionate community advocate, Deb previously served as the community outreach director for the Open Invention Network, a shared defensive patent pool on a mission to protect free and open source software, and the membership coordinator for the Free Software Foundation. She won the O’Reilly Open Source Award for her work with GNU MediaGoblin, a federated media-hosting service, and OpenHatch, Free Software’s welcoming committee. She’s also a founding organizer of the Seattle GNU/Linux Conference, an annual event dedicated to surfacing new voices and welcoming new people to... Read More.

Kelley Nielsen
Kelley Nielsen (Linux Foundation, Gnome Foundation)

Kelley is a relatively new kernel developer, who is learning under the excellent guidance of mentors through the Gnome Outreach Program for Women. She is also a co-coordinator for Codechix, which organizes in-person events of all kinds for women and everybody. Before settling on the kernel, she wrote a collection of Linux screen saver demos, aptly titled Xtra Screen Hacks, and a few Android apps. She blogs here.

Niklas Nielsen
Niklas Nielsen (Mesosphere, Inc.), @quarfot

Engineer at Mesosphere working at Apache Mesos. Prior to Mesosphere, I worked at Adobe on the Flash VM and Google V8, as well as a secret next-generation VM. Did my Master’s at Lawrence Livermore National Lab, working on debugging tools for future exascale systems.

Jesse Noller
Jesse Noller (Rackspace), @jessenoller

Jesse Noller is a long time Python community member, developer and has contributed to everything from distributed systems to front-end interfaces. He’s passionate about community, developer experience and empowering developers everywhere, in any language to build amazing applications. He currently works for Rackspace as a Developer Advocate and open source contributor.

Sarah Novotny

Sarah Novotny is an open source community manager at Google. Sarah’s recent technological focuses include open source, cloud and utility computing, infrastructure automation, and data (big and small; relational and nonrelational). Her calling lies in sharing her excitement about technology and coalescing a group around a consistent vision. She loves meeting people and rapidly assessing what information she needs to impart in order to draw them into the vision or story that she has to share. Sarah enjoys bridging the gap between the business world and the tech world. Her background includes leading operational IT and development teams and external-facing work in biz dev, sales engineering, customer support, and, of course, public speaking.

Tim Nugent
Tim Nugent (, @The_McJones

Tim Nugent pretends to be a mobile app developer, game designer, PhD student and now he even pretends to be an author (he co-wrote the latest update to “Learning Cocoa with Objective-C” for O’Reilly). When he isn’t busy avoiding being found out as a fraud, he spends most of his time designing and creating little apps and games he won’t let anyone see. Tim spent a disproportionately long time writing this tiny little bio, most of which was trying to stick a witty sci-fi reference in, before he simply gave up. He is, obviously, an avid board game player.

Tim O'Reilly
Tim O'Reilly (O'Reilly Media, Inc.), @timoreilly

Tim has a history of convening conversations that reshape the industry. In 1998, he organized the meeting where the term “open source software” was agreed on, and helped the business world understand its importance. In 2004, with the Web 2.0 Summit, he defined how “Web 2.0” represented not only the resurgence of the web after the dot com bust, but a new model for the computer industry, based on big data, collective intelligence, and the internet as a platform. In 2009, with his “Gov 2.0 Summit,” he framed a conversation about the modernization of government technology that has shaped policy and spawned initiatives at the Federal, State, and local level, and around the world. He has now turned his attention to implications of the on-demand... Read More.

Stephen O'Sullivan
Stephen O'Sullivan (Data Whisperers), @steveos

A leading expert on big data architectures, Stephen O’Sullivan has 25 years of experience creating scalable, high-availability data and applications solutions. A veteran of Silicon Valley Data Science, @WalmartLabs, Sun, and Yahoo. Stephen is an independent adviser to enterprises on all things data..

Anne Ogborn
Anne Ogborn (The Elgin Works)

Anne Ogborn is an avid SWI-Prolog fan, professional SWI-Prolog programmer, and sometimes contributor to the SWI-Prolog project.
She uses SWI-Prolog to create games that create change for the OSU Wavicles, and to program advanced social robotics for Robokind.

Tim Palko (Carnegie Mellon University, Software Engineering Institute)

Tim celebrates software development using many languages and frameworks, heeding less to past experience in choosing technologies. Spring MVC, Hibernate, Rails, .NET MVC, Django and the variety of languages that come with are in his L1 cache. Among other endeavors to keep him sharp, he currently provides coded solutions for the Software Engineering Institute at CMU.

Tim received a B.S. in Computer Engineering in 2003 and resides in Pittsburgh, PA.

Rajeev Pandey (Hewlett-Packard Company), @raju97330

Rajeev Pandey joined Hewlett-Packard in 1995. He has worked in a wide variety of R&D and IT positions within HP Labs, HP-IT and HP R&D prior to joining HP Cloud. He has spent the last few years using Agile methods to architect, develop, and deploy digital imaging and printing-related web services. He holds BS degrees in Computer Science and Mathematics from Montana Tech, MS and PhD degrees in Computer Science from Oregon State University, and is a senior member of the IEEE and ACM.

Manish Pandit

A programmer at heart, I work with great teams to build great products. Over the last decade, I’ve worked with companies ranging from software, financials, to media and entertainment. Solving scale problems with leading innovations in the tech space has been an area of interest to me. From building APIs at E*Trade, IGN, and Netflix I’ve evolved both as a leader as well as an engineer focused on scalable yet flexible, and highly performant architectures.

I am also active with the developer community via github, stackoverflow, meetups, and conferences.

My slideshare has decks from my talks at various events. Currently I am working at Netflix as an Engineering Manager in the Streaming Platforms group, where my team builds APIs and tools around device... Read More.

James Pannacciulli
James Pannacciulli (Media Temple), @_jpnc

James Pannacciulli has been an enthusiast and user of GNU/Linux and related software since 1997 and is a supporter of the free (libre) software movement. He holds an MA and BA in theoretical linguistics from UCLA and Rutgers universities, respectively, and is currently a Systems Engineer at Media Temple.

James has presented on Bash at SCALE and UUASC in Los Angeles.

Soohong Park (Samsung)

Dr. Soohong Daniel Park is a senior member of research staff in open source office, Samsung and currently leading Internet of Things open source project collaborated with various partners. He has been working on IPv6 over Low Power Sensor Networks in IETF and advanced research topics around IoT. Also, he is currently working in W3C as Advisor Board.

Sanjay Patil (SAP)

Sanjay Patil is a member of the Industry Standards & Open Source team at SAP Labs – Palo Alto, and is responsible for driving strategic Open Source programs as well as governance of SAP’s outbound Open Source projects. He has over 14 years of experience with Industry Standards and Open Source projects. He has led critical industry-wide standardization initiatives such as OASIS Web Services Reliable Messaging. He currently serves as a Director on the Board of OASIS, a standards development organization, and represents SAP on Open Source foundations such as CloudFoundry. His areas of interest include application platform technologies, Big Data and Cloud.

Josh Patterson

Josh Patterson currently runs a consultancy in the Big Data Machine Learning space. Previously Josh worked as a Principal Solutions Architect at Cloudera and an engineer at the Tennessee Valley Authority where he was responsible for bringing Hadoop into the smartgrid during his involvement in the openPDC project. Josh is a graduate of the University of Tennessee at Chattanooga with a Masters of Computer Science where he did research in mesh networks and social insect swarm algorithms. Josh has over 15 years in software development and continues to contribute to projects such as Apache Mahout, Metronome, IterativeReduce, openPDC, and JMotif.

James Pearce

James manages the open source program at Facebook. He’s a developer and writer with a special passion for the web, mobile platforms of all sorts, and helping developers explore their potential.

James’ mobile projects include confess.js, WhitherApps, tinySrc,, Device Atlas, and mobiForge. Previously at Sencha, dotMobi, Argogroup and Ernst & Young, he has also written books on the mobile web for Wrox & Wiley. He’s easy to find at /jamesgpearce or

Shawn Pearce (Google)

Shawn Pearce has been actively involved in Git since early 2006. Shawn is the original author of git-gui, a Tk based graphical interface shipped with git, and git fast-import, a stream based import system often used for converting projects to git. Besides being the primary author of both git-gui and git fast-import, Shawn’s opinion, backed by his code, has influenced many decisions that form the modern git implementation.

In early 2006 Shawn also founded the JGit project, creating a 100% pure Java reimplementation of the Git version control system. The JGit library can often be found in Java based products that interact with Git, including plugins for Eclipse and NetBeans IDEs, the Hudson CI server, Apache Maven, and Gerrit Code Review, a peer code review... Read More.

Harry Percival (, @hjwp

During his childhood Harry seemed to be doing everything right — learning to program BASIC on Thomson TO-7s (whose rubber keys went “boop” when you pressed them) and Logo on a Green-screen Amstrad PCW. Something went wrong as he grew up, and Harry wasted several years studying Economics, becoming a management consultant (shudder), and programming little aside from overcomplicated Excel spreadsheets.

But in 2009 Harry saw the light, let his true geek shine once again, did a new degree in Computer Science, and was lucky enough to secure an internship with Resolver Systems, the London-based company that has since morphed into PythonAnywhere. Here he was inculcated into the cult of Extreme Programming (XP), and rigorous TDD. After much moaning and dragging of... Read More.

Jim Perrin
Jim Perrin (CentOS Project), @BitIntegrity

I began my linux journey in 1999 with Mandrake 6.1 and migrated to RHL around the 7.2 release I found out about CentOS in 2004, and joined the project formally later that year. Over the years I’ve been a consultant for defense contractors as well as for the oil and gas industry, handling large scale deployment, automation, and systems integration.

My current responsibilities with CentOS:

Governing Board member
SIG/Variant sponsor/coordinator

Jerome Petazzoni
Jerome Petazzoni (Tiny Shell Script LLC), @jpetazzo

Jerome is a senior engineer at Docker, where he rotates between Ops, Support and Evangelist duties. In another life he built and operated Xen clouds when EC2 was just the name of a plane, developed a GIS to deploy fiber interconnects through the French subway, managed commando deployments of large-scale video streaming systems in bandwidth-constrained environments such as conference centers, and various other feats of technical wizardry. When annoyed, he threatens to replace things with a very small shell script. His left hand cares for the dotCloud PAAS servers, while his right hand builds cool hacks around Docker.

Brandon Philips

Brandon Philips is helping to build modern Linux server infrastructure at CoreOS. Prior to CoreOS, he worked at Rackspace hacking on cloud monitoring and was a Linux kernel developer at SUSE. In addition to his work at CoreOS, Brandon sits on Docker’s governance board and is one of the top contributors to Docker. As a graduate of Oregon State’s Open Source Lab he is passionate about open source technologies.

Simon Phipps
Simon Phipps (Public Software CIC), @webmink

Simon Phipps has engaged at a strategic level in the world’s leading technology companies, starting in roles such as field engineer, programmer, systems analyst and more recently taking executive leadership roles around open source. He worked with OSI standards in the 80s, on collaborative conferencing software in the 90s, helped introduce both Java and XML at IBM and was instrumental in open sourcing the whole software portfolio at Sun Microsystems.

As President of the Open Source Initiative and a director of the UK’s Open Rights Group, he takes an active interest in digital rights issues and is a widely read commentator at InfoWorld, Computerworld and his own Webmink blog.

He holds a BSc in electronic engineering and is a... Read More.

Andy Piper
Andy Piper (Twitter), @andypiper

Andy Piper is a Developer Advocate for Cloud Foundry, the Open Source Platform-as-a-Service. He is an Eclipse M2M IWG Community Member and has been involved with the Eclipse Paho project since the start, particularly through his former role advocating the use of MQTT at IBM, and helping to run the community website. Andy has a passionate interest in Open Source, small and mobile devices, cloud, the Internet of Things, and Arduino and related technologies. He is probably best known online as a “social bridgebuilder”. He was previously with IBM Software Group for more than 10 years, as a consultant, strategist, and WebSphere Messaging Community Lead.

Curtis Poe
Curtis Poe (All Around the World), @OvidPerl

I’m a well-known Perl expert, better known online as Ovid. I specialize in large-scale, database driven code bases and wrote the test harness that currently ships with the Perl programming language. I’m constantly trying to create better testing tools for the Perl community.

I sit on the Board of Directors of the Perl Foundation and run a consulting company with my lovely wife, Leïla, from our offices in La Rochelle, a medieval port town on the west coast of France.

I speak at conferences all over the world and also do private speaking engagements and training for companies. Currently I’m a specialist for hire, often focusing on complex ETL problems or making developers more productive by fixing test suites and making them run much... Read More.

Jess Portnoy

Jess Portnoy has been an open source developer and believer for the last 15 years. Prior to Kaltura, Jess worked, among other places, at Zend where she was responsible for porting and packaging PHP and Zend projects on all supported .*nix platforms. Jess also grows 3 pet projects hosted in sourceforge.

You can view my LinkedIn profile here.

Steven Pousty

Steven Pousty is a PaaS-dust spreader (aka developer evangelist) with OpenShift. Steve goes around and shows off all the great work the OpenShift engineers do. He can teach you about PaaS with Java, Python, PostgreSQL MongoDB, and some JavaScript. Steve has deep subject area expertise in GIS/spatial analysis, statistics, and ecology. He has spoken at over 50 conferences and led over 30 workshops at conferences such as Monktoberfest, MongoNY, JavaOne, FOSS4G, CTIA, AjaxWorld, GeoWeb, Where2.0, and OSCON. Before OpenShift, Steve was a developer evangelist for LinkedIn, deCarta, and ESRI. Steve has a PhD in ecology from the University of Connecticut. He likes building interesting applications and helping developers create great solutions.

Mark Powell (Jet Propulsion Laboratory/NASA), @drmarkpowell

Mark Powell is a Senior Computer Scientist at the Jet Propulsion Laboratory, Pasadena, CA since 2001. Mark is the product lead for the Mars Science Laboratory mission science planning interface (MSLICE). At JPL his areas of focus are science data visualization and science planning for telerobotics. He received the 2004 NASA Software of the Year Award for his work on the Science Activity Planner science visualization and activity planning software used for MER operations. Mark is currently supporting a variety of projects at JPL including Opportunity and Curiosity rover operations and radar data processing for volcanology and seismology research.

Austin Putman

I empower people to make a difference with appropriate technology. Currently I’m working to turn around the diabetes epidemic.

I was a founding partner and lead dev at Radical Designs, a tech cooperative for nonprofits, and a team anchor for Pivotal Labs, training and collaborating with earth’s best agile engineers.

Steven Quella (Saint Joseph's College (Indiana))

Steven is a senior at Saint Joseph’s College, majoring in Computer Science. He is seeking a position after he graduates as a Java developer.

David Quigley
David Quigley (Independent)

David Quigley making a return appearance to OSCON after his “Demystifying SELinux: WTF is it saying?” talk started his career as a Computer Systems Researcher for the National Information Assurance Research Lab at the NSA where he worked as a member of the SELinux team. David leads the design and implementation efforts to provide Labeled-NFS support for SELinux. David has previously contributed to the open source community through maintaining the Unionfs 1.0 code base and through code contributions to various other projects. David has presented at conferences such as the Ottawa Linux Symposium, the StorageSS workshop, LinuxCon and several local Linux User Group meetings where presentation topics have included storage, file systems, and security. David currently works as a Computer Science... Read More.

Carl Quinn
Carl Quinn (Riot Games)

Carl Quinn has been developing software professionally for 34 years, starting with BASIC on an Apple II, slogging through C/C++ on DOS, Windows and embedded, and finally landing in the Java-on-Linux world. The one thread through his career has been an inexplicable attraction to developer tools, spending time building them at Borland (C++ & Java IDEs), Sun (Java RAD), Google (Java & C++ build system), Netflix (Java build and cloud deployment automation) and most recently at Riot Games (Cloud Architect). Carl also co-hosts the Java Posse podcast, the #1 ranked Java technology podcast.

Kate Rafter
Kate Rafter (AUTOMAL)

As a choreographer and interdisciplinary performance artist, Kate Rafter has presented work at the Edinburgh Festival Fringe, Scotland’s Dance Base, Portland’s Fertile Ground Festival, Conduit, American College Dance Festival NW, the Dance Coalition of Oregon, (a)merging 2014, and the Someday:Incubator. She heads Automal, a project-based indie dance company.

Kate’s performing arts ambitions go beyond dance and theatre conventions to include audience interactivity, immersive environments, and an intent to break every wall, starting with the fourth.

Jarret Raim
Jarret Raim (Rackspace), @jarretraim

Jarret Raim is the Security Product Manager at Rackspace Hosting. Since joining Rackspace, he has built a software assurance program for Rackspace’s internal software teams as well as defined strategy for building secure systems on Rackspace’s OpenStack Cloud implementation. Through his experience at Rackspace, and as a consultant for Denim Group, Jarret has assessed and remediated applications in all industries and has experience width a wide variety of both development environments and the tools used to audit them. Jarret has recently taken charge of Rackspace’s efforts to secure the Cloud through new product development, training and research. Jarret holds a Masters in Computer Science from Lehigh University and Bachelors in Computer Science from Trinity University.

Luciano Ramalho
Luciano Ramalho (ThoughtWorks), @ramalhoorg

Luciano Ramalho was a Web developer before the Netscape IPO in 1995, and switched from Perl to Java to Python in 1998. Since then he worked on some of the largest news portals in Brazil using Python, and taught Python web development in the Brazilian media, banking and government sectors. His speaking credentials include OSCON 2013 (slides) and 2002, two talks at PyCon USA 2013 and 17 talks over the years at PythonBrasil (the Brazilian PyCon), FISL (the largest FLOSS conference in the Southern Hemisphere) and a keynote at the RuPy Strongly Dynamic Conference in Brazil. Ramalho is a member of the Python Software Foundation and co-founder of Garoa Hacker Clube, the first hackerspace in Brazil. He is... Read More.

Anna Ravenscroft

Anna Martelli Ravenscroft has a background in training and mentoring. Her focus is on practical, real-world problem solving and the benefits of diversity and accessibility. Anna graduated in 2010 from Stanford University with a degree in Cognitive Science. She is a member of the Python Software Foundation, a program committee member for several open source conferences, winner of the 2013 Frank Willison Award, and co-edited the Python Cookbook 2nd edition. She has spoken at PyCon, EuroPython, OSCON, and several regional Python conferences.

Matt Ray
Matt Ray (Chef Software, Inc.), @mattray

Matt Ray is an open source hacker working as the Director of Cloud Integrations for the company and open source systems integration platform Chef. He is active in the Chef, Ruby and OpenStack communities and was the Community Manager for Zenoss Core. He has been a contributor in the open source community for well over a decade and was one of the founders of the Texas LinuxFest. He resides in Austin, blogs at and is @mattray on Twitter, IRC and GitHub.

Rob Reilly
Rob Reilly (Rob "drtorq" Reilly), @robreilly

Rob Reilly is an independent consultant, writer, and speaker specializing in Linux, Open Hardware, technology media, and the mobile professional. He’s been hired for a variety of engineering, business analysis, and special projects with AT&T, Intermedia Communications, Lockheed-Martin, Pachube, and Dice. As a 10-year veteran of the tech media, Rob has posted hundreds of feature-length technology articles for,, Linux Journal magazine, PC Update magazine, and Nuts & Volts. He is a co-author of “Point & Click” and worked as a contributing editor for He’s also chaired speaking committees for the old LinuxWorld shows. Rob has a BS in Mechanical Technology from Purdue University and first used the Unix command line in 1981.

Ryan Richards (Fastly)

I am a full stack engineer at Fastly with an interest in the front-end, game programming, and theory. In my spare time I read books, write music, play games, and drink tea.

Bruce Richardson (Intel Corporation)

Bruce Richardson is the lead software engineer working on the DPDK at Intel Corporation, based out of Shannon in the West of Ireland. He has almost 10 years experience in software for telecoms, and has been working with Intel on the DPDK for over 4 of those. He’s helped design many of the features now present in the DPDK, and when he’s not too busy with other – less interesting – things at work, occasionally gets to have fun implementing some of them.

Chris Richardson

Chris Richardson is a developer and architect with over 20 years of experience. He is a Java Champion and the author of POJOs in Action, which describes how to build enterprise Java applications with POJOs and frameworks such as Spring and Hibernate. Chris is the founder of the original, an early Java PaaS (Platform-as-a-Service) for Amazon EC2. He spends his time investigating better ways of developing and deploying software. Chris has a computer science degree from the University of Cambridge in England and lives in Oakland, CA.

Bryce Roberts
Bryce Roberts (O'Reilly AlphaTech Ventures), @bryce

Bryce Roberts is cofounder and managing director of O’Reilly AlphaTech Ventures (OATV), where he focuses on consumer and enterprise software and services investments. Bryce’s investments at OATV include GameLayers, Get Satisfaction, OpenCandy, OpenX, Parakey (acquired by Facebook), Path Intelligence, and Wesabe. Prior to OATV, Bryce sourced and led a number of successful early-stage investments at Wasatch Venture Fund, a Draper Fisher Jurvetson affiliate. In 2004, Bryce cofounded the Open Source Business Conference (sold to IDG) in order to spark a conversation around commercializing the highly disruptive technologies and services emerging from the open source community. Previously, Bryce was a member of a small team at vertical search pioneer Whizbang! Labs, where he defined and launched the division (sold to Monster... Read More.

Gail Roper (City of Raleigh), @gailmroper

28 year IT executive, CIO, and C-level administrator. Vast experience in the area of strategic planning, IT consolidation, and large scale system implementation including ERP, GIS, VoIP, web efforts and fiber/conduit implementation projects. Understands the value of partnerships, well connected with national strategist and innovative thinkers. Fortunate to have well-rounded experience in progressive environments that influence national strategies for innovation. Highly effective in political arenas, governance strategy, and working with auditing process. Has historically brought resources to the organization in the form of grants, funding, and partnerships with public and private entities.

Specialties: Strategic thinker with the idea that technology should promote efficiency in any organization. Focused on innovation and promoting the use of technology to solve problems. Significant success in the... Read More.

Erik Rose
Erik Rose (Mozilla), @ErikRose

Erik Rose leads Mozilla’s DXR project, which does regex searches and static analysis on large codebases like Firefox. He is an Elasticsearch veteran, maintaining the pyelasticsearch library, transitioning Mozilla’s support knowledgebase to ES, and building a burly cluster to do realtime fuzzy matching against the entire corpus of U.S. voters. Erik is a frequent speaker at conferences around the world, the author of “Plone 3 for Education”, and the nexus of the kind of animal magnetism that comes only from writing your own bio.

William is a member of the Application Products engineering team at Pivotal, where he has developed and maintained Apache Web Server based products since the turn of the century. He is an active committer to several Apache Software Foundation projects and serves on the ASF security response team. Over the past dozen years, William has contributed to the Apache Software Foundation, initially as a contributor to the Apache HTTP Server and APR projects, served as a Project Chair to both, mentored a number of projects new to the Foundation, participated on the convention committee for the foundation, and served as a Director of the Foundation. He is sometimes teased as the Unix developer who happens to work on Windows, and was largely... Read More.

Byron Ruth
Byron Ruth (The Children's Hospital of Philadelphia), @thedevel

Byron Ruth is a Lead Analyst/Programmer in the Center for Biomedical Informatics at The Children’s Hospital of Philadelphia. Byron’s skills in advanced web programming environments, API, and architectural software design have enabled him to lead a variety of projects at CHOP, including the development of a highly integrated audiology research database, an electronic health record-mediated clinical decision support engine for the care of premature infants, and a data management system that helps to discover relationships between genetic markers of congenital heart defects and clinical outcomes.

Justin Ryan
Justin Ryan (Netflix), @quidryan

Justin Ryan is a Senior Software Engineer in the Engineering Tools team at Netflix, where he applies his years of experience as a developer to the problems of build automation and dependency management. He’s consistently raising the bar for the quality of build tools and build analysis. He is tasked with finding patterns and best practices between builds and applying them back to the hundreds of projects at Netflix. Justin has worked on Web UIs to Server development to Embedded programming.

Baruch Sadogursky

Baruch Sadogursky (JBaruch) is a developer advocate at JFrog. His passion is speaking about technology. Well, speaking in general, but doing it about technology makes him look smart, and 17 years of high-tech experience sure helps. When he’s not on stage (or on a plane to get there), he learns about technology, people, and how they work or—more precisely—don’t work together. He’s a CNCF ambassador, Developer Champion, and a professional conference speaker on DevOps, Java, and Groovy topics. He’s also a regular at the industry’s most prestigious events, such as JavaOne (where he was awarded a Rock Star award), DockerCon, Devoxx, devopsdays, OSCON, and Qcon. You can follow him on Twitter at @jbaruch.

Nathan Samano
Nathan Samano (Saint Joseph's College (Indiana))

Nathan is a junior Computer Science major at Saint Joseph’s College. He is minoring in biology. His computing interests include game development and cloud programming.

Peter Sand
Peter Sand (Modular Science)

Peter has a Ph.D. in Computer Science from MIT. He is the founder of ManyLabs, a nonprofit focused on teaching math and science using sensors and simulations. Peter also founded Modular Science, a company working on hardware and software tools for science labs. He has given talks at Science Hack Day, Launch Edu, and multiple academic conferences, including SIGGRAPH.

Karen Sandler
Karen Sandler (Software Freedom Conservancy), @o0karen0o

Karen M. Sandler is the Executive Director of the Software Freedom
Conservancy. She is known for her advocacy for free software,
particularly in relation to the software on medical devices. Prior to
joining Conservancy, she was Executive Director of the GNOME
Foundation where she has recently been elected to the Board of
Directors. Before that, she was General Counsel of the Software
Freedom Law Center. Karen co-organizes the award winning GNOME
Outreach Program for Women and is an advisor to the Ada Initiative.
She is also pro bono General Counsel to QuestionCopyright.Org. Karen
is a recipient of the O’Reilly Open Source Award and co-host of the
oggcast, Free as in Freedom.

... Read More.
Ed Schipul
Ed Schipul (Tendenci - The Open Source Platform for NPOs), @eschipul

Ed Schipul is CEO of Tendenci, formerly Schipul, a 16-year-old bootstrapped company started in Houston Texas. Ed’s team created the Open Source software platform Tendenci, an all in one CMS built specifically for nonprofits, membership associations and arts organizations.

Under Ed’s leadership, the company has been listed among Houston’s fastest growing companies by the Houston Business Journal, won the Fastech 50, the Aggie 100, and numerous other awards. Ed has personally been nominated for the Ernst and Young Entrepreneur of the year award twice and roasted by the AIGA.

Ed has presented at OSCON, SXSW Interactive, Public Relations Society of America’s International Conference, the Bulldog Reporter National Conference, the Sarasota International Design Summit, Mom 2.0 and dozens of other organizations.

... Read More.
Aaron Schlesinger

Aaron is a developer advocate at Microsoft Azure and a core maintainer of the Athens Project. Before Athens, he was a core maintainer and chair of the Kubernetes SIG-Service-Catalog and a contributor to various other projects in the Kubernetes community.

He has 15+ years of software engineering experience ranging from frontend design to distributed data systems. He discovered Go around 2013 and Kubernetes in 2015 and hasn’t looked back. He lives in Portland, OR where he and his wife love to run up and down mountains together.

Nathaniel Schutta

Nathaniel T. Schutta is a solution architect focussed on making usable applications. A proponent of polyglot programming, Nate has written two books on Ajax and speaks regularly at various worldwide conferences, No Fluff Just Stuff symposia, universities, and Java user groups. In addition to his day job, Nate is an adjunct professor at the University of Minnesota where he teaches students to embrace dynamic languages. Most recently, Nate coauthored the book Presentation Patterns with Neal Ford and Matthew McCullough.

Daniel Juyung Seo
Daniel Juyung Seo (Samsung Electronics), @seojuyung

Daniel Juyung Seo is a software engineer at Samsung Electronics focusing on the development and improvements of EFL. He joined the EFL/Enlightenment community in 2010 and is actively involved the project. He is mostly working on the Ecore core library and Elementary widget set among many libraries in EFL and helps people develop EFL applications on Tizen. As an active technical writer, he contributed EFL and Tizen articles to magazines and manages his own blogs. He participated in Tizen Camera (NX300) and Tizen Wearable Device (Gear 2) product projects in the past as well.

Andrew Clay Shafer

Andrew has been a consumer and contributor to open source for many years. He is always up for an adventure with a broad background contributing to technology and business efforts. As a co-founder at Puppet Labs, followed by working in and around the CloudStack and OpenStack ecosystems, he gained a lot of perspective on building open source businesses and communities. Sometimes he has been known to talk about devops and organizational learning. Andrew recently joined Pivotal, starting another open source business adventure focused on Cloud Foundry.

Brent Shaffer
Brent Shaffer (Adobe Systems Inc), @bshaffer

The tale of a young musician with his head filled with hopes and dreams who finds himself burdened with a mathematical mind and with little hopes of making it in the music world, decides to jump ship and finds he loves programming as much and maybe even more than his original passion.

Gwen Shapira
Gwen Shapira (Confluent), @gwenshap

Gwen Shapira is a Solutions Architect at Cloudera and leader of IOUG Big Data SIG. Gwen Shapira studied computer science, statistics and operations research at the University of Tel Aviv, and then went on to spend the next 15 years in different technical positions in the IT industry. She specializes in scalable and resilient solutions and helps her customers build high-performance large-scale data architectures using Hadoop. Gwen Shapira is a frequent presenter at conferences and regularly publishes articles in technical magazines and her blog.

Roman Shaposhnik
Roman Shaposhnik (Pivotal Inc.)

Roman Shaposhnik is a committer on Apache Hadoop, and holds a Chair position for the Apache Bigtop and Apache Incubator projects. Roman has been involved in Open Source software for more than a decade and has hacked projects ranging from the Linux kernel to the flagship multimedia library known as FFmpeg. He grew up in Sun Microsystems where he had an opportunity to learn from the best software engineers in the industry. Roman’s alma mater is St. Petersburg State University, Russia where he studied to be a mathematician.

Michael Shiloh

Artist, designer, tinkerer, teacher, geek; practitioner and supporter of Open Source Hardware, Open Source Software, Open Education, Linux, and Arduino, and most things in between

Egle Sigler
Egle Sigler (Rackspace), @eglute
Egle Sigler is a Private Cloud Architect, who started working at Rackspace in 2008. She was one of the first to receive Rackspace OpenStack certification. Before working with OpenStack, Egle worked on MyRackspace customer control panel, software architecture and enterprise tools. In her spare time, Egle enjoys traveling, hiking, snorkeling and nature photography.
Ricardo Signes
Ricardo Signes (, @rjbs

Ricardo Signes was thrust into the job market with only a rudimentary humanities education, and was forced to learn to fend for himself. He is now a full-time Perl programmer, project lead on perl itself, and frequent contributor to the CPAN.

Alan Sill
Alan Sill (Texas Tech University), @ogfstandards

Alan Sill directs the National Science Foundation Center for Cloud and Autonomic Computing at Texas Tech University, where he is also a senior scientist at the High Performance Computing Center. A particle physicist by training, he serves as VP of Standards for Open Grid Forum, co-chairs the US National Institute of Standards and Technology “Standards Acceleration to Jumpstart Adoption of Cloud Computing” working group, and co-edits the IEEE Cloud Computing magazine. He is active in many cloud standards working groups and on national and international standards roadmap committees and is committed to development of advanced distributed computing methods for real-world science and business applications.

Kyle Simpson
Kyle Simpson (Getify), @getify

Kyle Simpson is an Open Web Evangelist from Austin, TX. He’s passionate about JavaScript, HTML5, real-time/peer-to-peer communications, and web performance. Otherwise, he’s probably bored by it. Kyle is an author, workshop trainer, tech speaker, and avid OSS community member.

Samantha Simpson
Samantha Simpson (Consumer Financial Protection Bureau), @SamHSimpson

Samantha Simpson moved to Washington, D.C. to work at the Consumer Financial Protection Bureau in the Office of Technology and Innovation. She work as both a Technology Portfolio Manager and Product Director. Samantha is passionate about helping consumer understand their finances. Samantha was born and raised on the South Side of Chicago and is a graduate of The Johns Hopkins University.

Bryan Smith
Bryan Smith (Tacit Labs Inc)

Bryan A Smith is a Debian Gnu/Linux and BSD enthusiast, hardware hacker and Systems Engineer. Bryan has used Open Source Operating Systems since the days of Red Hat 5 Hurricane.

He contributes to several Open Source projects and has helped launch several startup ISP’s based in his area using Free and Open Source software as a framework.

Bryan is currently the Program Director for Fossetcon Fossetcon – Free and Open Source Software Expo and Technology Conference

Bryan spends his free time organizing Fossetcon, administering his free shell server, advocating Free and Open Source, proctoring BSD Associate Certification, writing poetry and playing Bossa Nova and Flamenco guitar.

Carol Smith

Carol Smith is the Open Source Programs Manager running Google
Summer of Code. She’s been at Google as a program manager for 9 years.
She has a degree in photojournalism from California State University,
Northridge, and is an avid cyclist and bibliophile.

Chris Smith
Chris Smith (Portland Transport), @chrissmithus

Chris Smith is a web site architect for by day and transportation geek and City of Portland Planning and Sustainability Commissioner by night

Garrett Smith
Garrett Smith (Guild AI), @gar1t

Garrett Smith is senior architect at CloudBees, the company behind Jenkins CI and leading Java platform-as-a-service vendor. Garrett specializes in distributed systems and reliable software. His programming language of choice for systems programming is Erlang, a high productivity functional language specializing in concurrency and reliability. Garrett is an Erlang instructor and the author of e2, which was built from his experience teaching Erlang. Garrett is known for his videos “MongoDb is Web Scale” and “Node.js Is Bad Ass Rock Star Tech”.

Thomas Smith
Thomas Smith (Project Gado), @projectgado

Thomas Smith is an inventor and entrepreneur, and the creator of the open source Gado 2 archival scanning robot. Hailed by the Wall Street Journal as “a robot which rescues black history”, the Gado 2 has been used to digitize 120,000+ images in the archives of the Afro American Newspapers, and is now in use at archives from California to Finland. Mr. Smith currently leads Project Gado, as well as several other ventures.

Nathan Sobo

Nathan Sobo is the co-founder of the Atom open-source text editor at GitHub. He is also the author of Treetop, a Ruby-based parser generator based on parsing expression grammars.

Juhan Sonin
Juhan Sonin (Involution Studios)

Juhan Sonin is the Creative Director of Involution Studios and has produced work recognized by the New York Times, Newsweek, BBC International, Billboard Magazine, and National Public Radio (NPR). He has spent time at Apple, the National Center for Supercomputing Applications (NCSA), and MITRE. Juhan lectures on design and engineering at the Massachusetts Institute of Technology (MIT).

Andrew Sorensen

Andrew Sorensen is an artist-programmer whose interests lie at the
intersection of computer science and creative practice. Andrew is well
known for creating the programming languages that he uses in live
performance to generate improvised audiovisual theatre. He has been
invited to perform these contemporary audiovisual improvisations
around the world. Andrew is a Senior Research Fellow at the Queensland
University of Technology and is the author of the Impromptu and
Extempore programming language environments.

Francisco Souza
Francisco Souza (The New York Times), @franciscosouza

Francisco Souza is a software engineer at, the largest media company in Latin America. He works in the cloud platform team, building an open source solution to be adopted by all portals.

Kara Sowles

Kara Sowles is Community Initiatives Manager at Puppet Labs in Portland, OR. She’s excited to swap user group tips with you for far too long.

When she’s done planning events and running community programs at Puppet Labs, she enjoys going home and making stop motion animation with actual Puppets.

Kaushik Srenevasan
Kaushik Srenevasan (Twitter)

Kaushik Srenevasan is the Lead on the VM Diagnostics team at Twitter,
where he hacks on the Hotspot JVM, on, among other things, improving
its observability. Before joining Twitter he authored the Chakra
JavaScript runtime’s AMD64 backend compiler and worked on the .NET CLR at

Raghavan “Rags” Srinivas works as a Cloud Solutions Architect. His general focus area is in distributed systems, with a specialization in Cloud Computing and Big Data. He worked on Hadoop, HBase and NoSQL during its early stages. He has spoken on a variety of technical topics at conferences around the world, conducted and organized Hands-on Labs and taught graduate classes in the evening.

Rags brings with him over 25 years of hands-on software development and over 15 years of architecture and technology evangelism experience.

Rags holds a Masters degree in Computer Science from the Center of Advanced Computer Studies at the University of Louisiana at Lafayette. He likes to hike, run and generally be outdoors but most of all loves to eat.

Simon St.Laurent
Simon St.Laurent (O'Reilly Media, Inc.), @simonstl

Simon St.Laurent has spent most of his career explaining technology. He is cochair of the Fluent and OSCON conferences, a senior editor at O’Reilly, and a web developer. He has written over a dozen books, including Introducing Elixir, Introducing Erlang, Learning Rails, XML Elements of Style, and XML: A Primer. He spends his spare time making objects out of wood and presenting on local history.

Mark Stanislav
Mark Stanislav (Duo Security), @markstanislav

Mark Stanislav is the Security Evangelist for Duo Security, an Ann Arbor, Michigan-based startup focused on two-factor authentication and mobile security. With a career spanning over a decade, Mark has worked within small business, academia, startup, and corporate environments, primarily focused on Linux architecture, information security, and web application development.

Mark has spoken nationally at over 70 events including RSA, ISSA, B-Sides, GrrCon, Infragard, and the Rochester Security Summit. Mark’s security research has been featured on web sites including CSO Online, Security Ledger, and Slashdot. Additionally, Mark is an active participant of local and nationals security organizations including ISSA, Infragard, HTCIA, ArbSec, and MiSec.

Mark earned his Bachelor of Science Degree in Networking and IT Administration and his Master of... Read More.

Nicolas Steenhout
Nicolas Steenhout (Part of a Whole), @vavroom

For more than 20 years, Nicolas Steenhout has been addressing inclusivity head-on as a web accessibility expert. As a developer in the mid-’90s, Nic was approached by colleagues, clients, and friends with web-based issues that weren’t yet part of the public consciousness: Images weren’t being properly announced to people who are blind; video-only tutorials didn’t account for people who are deaf; overengineered web pages made it impossible for those with ADHD to engage. Nic quickly realized that amid a major technological revolution, a significant part of the digital landscape was being neglected. In 1996, he took on a federally funded position in the US disability sector. The world of nonprofits allowed him to work closely with people with a wide variety of impairments and... Read More.

Boyd Stephens
Boyd Stephens (Netelysis)

Boyd Stephens – the founder of Netelysis, LLC and is currently a member of its networking services development team. His primary focus is upon the research and design of internetworking systems and network management methodologies. Boyd’s daily work activities primarily subject him to the confines of a command line interface (cli), vi, and unicode based text files which serve as components of some form of a UNIX derivative operating system, a design and development environment for which he has developed a strong bias towards.

Simon Stewart (Deliveroo), @shs96c

Simon works at Facebook as a Software Engineer, where he works as part of the internal tools team. He’s also the inventor of WebDriver and the current lead of the Selenium project, and co-edits the W3C WebDriver specification.

Matt Stine
Matt Stine (Pivotal), @mstine

Matt Stine is a Cloud Foundry Platform Engineer at Pivotal. He is a 13-year veteran of the enterprise IT industry, with experience spanning numerous business domains.

Matt is obsessed with the idea that enterprise IT “doesn’t have to suck,” and spends much of his time thinking about lean/agile software development methodologies, DevOps, architectural principles/patterns/practices, and programming paradigms, in an attempt to find the perfect storm of techniques that will allow corporate IT departments to not only function like startup companies, but also create software that delights users while maintaining a high degree of conceptual integrity. He currently specializes in helping customers achieve success with Platform as a Service (PaaS) using Cloud Foundry and BOSH.

Matt has spoken at conferences ranging from JavaOne... Read More.

Deirdré Straughan
Deirdré Straughan (Amazon Web Services), @deirdres

In a career spanning tech companies large and small, worldwide, Deirdré Straughan has constantly developed new ways to foster communication about technology between customers and companies, online and offline. She has particularly focused on innovative uses of media, in recent years producing hundreds of technical videos and live video streams for Sun Microsystems, Oracle, and Joyent, and for open source communities including OpenSolaris, illumos, SmartOS, and OpenZFS. You can learn more on

Ruth Suehle
Ruth Suehle (Red Hat), @suehle

Ruth Suehle is a community marketing manager in Red Hat’s Open Source and Standards group, which supports upstream open source software communities. She also leads the Fedora Project’s marketing team and is co-author of Raspberry Pi Hacks (O’Reilly, December 2013). Previously an editor for Red Hat Magazine, she now leads discussions about open source principles as an editor at Ruth is also a senior editor at, where she covers the adventures of motherhood alongside technology and sci-fi.

Marc Sugiyama
Marc Sugiyama (Erlang Solutions, Inc)

Marc Sugiyama is a Senior Architect at Erlang Solutions, Inc. A Bay Area native, he has 30 years of software development experience and has worked on everything from testing frameworks in Tcl at Sybase and Cisco, to SMP relational database engines in C at Sybase, to a MMO engine in Twisted Python for Pixverse (a company he co-founded), to a large scale real time chat system in Erlang for hi5 Networks. Prior to joining Erlang Solutions, he built a call handling service in Erlang for Ribbit/British Telecom leading a team of developers in Brazil, Sweden, the US, and the UK. A published author, he wrote his first magazine articles and books while still in high school. He has presented at Sybase User Group... Read More.

Nick Sullivan

Nick is a software engineering leader innovating in the world of Internet scale data at CloudFlare. He is also a respected digital rights management innovator with a thorough understanding of the digital media distribution process through over half a decade working on the iTunes store. He previously worked as a security analyst worked at Symantec analyzing large scale threat data. He holds an MSc in Cryptography and a BMath in Pure Mathematics.

Zach Supalla
Zach Supalla (Particle), @zsupalla

Zach Supalla is an entrepreneur, a Maker, and a designer. He is the founder and CEO of Spark, a start-up that’s making it easier to build internet-connected hardware. Zach juggles hardware design, front-end software development, and leading his team through the trials and tribulations of a hardware start-up.

The Spark team led a successful Kickstarter campaign for their product, the Spark Core, in May 2013, raising nearly $600K in 30 days off of a goal of $10K. They’re now shipping to 61 countries, with thousands of engineers and developers building new connected devices with their technology. Their products have been featured in WIRED, Engadget, Fast Company, TechCrunch, the Discovery Channel, and many other publications.

Zach is a graduate of HAXLR8R, the only incubator... Read More.

Jason Swartz
Jason Swartz (Mesosphere), @swartzrock

Jason is a Software Engineer in the San Francisco Bay Area, developing applications and services in Scala at Netflix. Before making the switch to functional programming he managed the developer docs and support team at eBay, wrote advertising and merchandising platforms in Java and built tools and UI prototypes at Apple. His book, “Learning Scala”, will be published by O’Reilly Media in Spring 2014.

Kiyoto Tamura (Treasure Data)

Kiyoto is one of the maintainers of Fluentd, the open source log collector with users ranging from Nintendo to Slideshare. Raised in Japan, New York and California, he brings a unique bilingual, bicultural perspective to the open source world.

He spends much of his day at Treasure Data as a developer marketer/community manager for Fluentd. He also is a math nerd turned quantitative trader turned software engineer turned open source community advocate and cherishes American brunch and Japanese game shows.

Paul Tarjan
Paul Tarjan (Facebook), @ptarjan

I’m a juggling unicylcing web hacker @ Facebook.

I’m on the HipHop for PHP team making HHVM able to run all existing PHP code. Before that, I build many of the Open Graph tools and features. Before that I was the Tech Lead for Yahoo! SearchMonkey.

James Tauber is an Australian web developer and entrepreneur now based in Boston. He has been involved in open source, Web standards and Python for over 15 years.

Christian Ternus

Christian Ternus is a security researcher on Akamai Technologies’ Adversarial Resilience team, where he works on attacks, architecture, design, analysis, and the human factors in security. He graduated from MIT and has previously worked in kernel security and mobile health-tech. He has previously spoken at industry conferences including Boston Security, SOURCE Boston, and BrainTank, as well as organizing Akamai’s Humanity in Security miniconference. In his spare time, he is an avid photographer and adventure motorcyclist.

Jeffrey Thalhammer

Jeffrey Thalhammer has been developing software for more than 15 years. He is the creator of Perl::Critic, the widely used static analyzer for Perl. Jeffrey is also a co-organizer of the San Francisco Perl Mongers.

Laura Thomson
Laura Thomson (Mozilla Corporation)

Laura Thomson is a Senior Engineering Manager at Mozilla Corporation. She works with the Web Engineering team, which is responsible for the Firefox crash reporting system and other developer tools, and the Release Engineering team, which is responsible for shipping Firefox.

Laura is the co-author of “PHP and MySQL Web Development” and “MySQL Tutorial”. She is a veteran speaker at Open Source conferences worldwide.

Sebastian Tiedtke (Sauce Labs Inc), @sourishkrout

Born and raised at the foot of the Alps just outside of Munich in Germany, Sebastian spent his youth listening to David Hasselhoff songs. He wore Lederhosen and eagerly anticipated the day he could legally drink his first stein of beer.

When daddy put the first computer on his desk in the mid 90s, Sebastian quickly went on to figure out BASIC, Pascal and C/C++. Rainy afternoons were filled with building websites, countless iterations of Linux kernel makefile tweaks and compiler runs.

Before joining Sauce, Sebastian finished a degree in Software Development (in Munich), he spent almost a decade building customer information systems making transit information more accessible for people living in large metropolitan areas worldwide. His job commitment and passions for technology eventually... Read More.

Jim Tommaney
Jim Tommaney (InfiniDB), @InfiniDB

Jim has extensive experience in leading the development, management, and performance for enterprise data architectures, including clustered, large SMP, and distributed systems for the retail, web, and telecom industries. He is responsible for the architecture, vision, direction, and technical evangelization of InfiniDB. Jim holds a BBA from Texas A&M and a Masters in Management Information Systems from the University of Texas at Dallas.

Sudhir Tonse
Sudhir Tonse (Netflix), @stonse

Sudhir Tonse manages the Cloud Platform Infrastructure team at Netflix and is responsible for many of the services and components that form the Netflix Cloud Platform as a Service.

Many of these components have been open sourced under the NetflixOSS umbrella. Open source contribution includes Archaius: a dynamic configuration/properties management library, Ribbon: a Inter Process Communications framework that includes Cloud friendly Software load balancers, Karyon: the nucleus of a PaaS service etc.
Prior to Netflix, Sudhir was an Architect at Netscape/AOL delivering large-scale consumer and enterprise applications in the area of Personalization, Infrastructure and Advertising Solutions.

Sudhir is a weekend golfer and tries to make the most of the wonderful California weather and public courses.

Willem Toorop
Willem Toorop (NLNet Labs)

Willem is a developer at NLnet Labs, a not-for-profit foundation dedicated to the development of open-source implementations of open standards. At NLnet Labs Willem is the lead developer of the C DNS utility library: ldns. Willem has implemented leading edge DNS functionality for ldns based on new open standards such as DNSSEC and DANE. Our getdns-api implementation utilizes ldns for processing DNS data. Another of NLnet Labs C-libraries, libunbound, is used for DNS resolving. Besides working on ldns Willem also maintains and develops the perl Net::DNS and Net::DNS::SEC modules and actively researches Path MTU black holes that hamper DNSSEC deployment.

Joan Touzet
Joan Touzet (Cloudant, an IBM Company), @wohali

Joan Touzet has been using Apache CouchDB since 2008. She is now a committer and PMC member for Apache CouchDB, and acts as Senior Software Development Manager at Cloudant, an IBM Company.

Her major effort for 2014 is coordinating the merge of Cloudant’s BigCouch branch back into CouchDB towards a CouchDB 2.0 release. Recently, Joan has given talks at CloudantCON 2014, CouchDB Conf 2013, ChefConf 2013 and PyCon Canada 2012, all of which are viewable on YouTube.

In her spare time, Joan builds and repairs motorcycles, pilots small aircraft, and composes music for video game soundtracks.

Brian Troutwine

I’m a software engineer at AdRoll where I work on soft real-time system in Erlang. I deal with mission-critical systems that operate at large scale. Functional programming and Erlang in particular are my main areas of interest and I’m becoming increasingly interested in “large” embedded systems.

I graduated in 2010 with a degree in Computer Science from Portland State University. I spoke at Erlang Factory 2014, Bay Area.

Eric Tschetter

Eric Tschetter is the creator and one of the main Contributors to Druid, an open source, real-time analytical data store. He is currently an individual contributor to, a non-profit diabetes research organization. Eric was previously the VP of Engineering and lead architect at Metamarkets, and has held senior engineering positions at Ning and LinkedIn.He holds bachelors degrees in Computer Science and Japanese from the University of Texas at Austin, and a M.S. from the University of Tokyo in Computer Science.

James Turnbull

James Turnbull is the author of seven technical books about open source software and a long-time member of the open source community. James authored the The Logstash Book and The Docker Book. He also wrote two books about Puppet (Pro Puppet and the earlier book about Puppet as well as Pro Linux System Administration, Pro Nagios 2.0, and Hardening Linux.

For a real job, James is VP of Services for Docker. He likes food, wine, books, photography and cats. He is not overly keen on long walks on the beach and holding hands.

CTO of the Esri DC Dev Center

James Turner
James Turner (O'Reilly Media), @blackbearnh

James Turner, contributing editor for, is a freelance journalist who has written for publications as diverse as the Christian Science Monitor, Processor, Linuxworld Magazine, and WIRED Magazine. In addition to his shorter writing, he has also written two books on Java Web Development (MySQL & JSP Web Applications" and “Struts: Kick Start”) as well as the O’Reilly title “Developing Enterprise iOS Applications”. He is the former Senior Editor of LinuxWorld Magazine and Senior Contributing Editor for Linux Today. He has also spent more than 30 years as a software engineer and system administrator, and currently works as a Senior Software Engineer for a company in the Boston area. His past employers have included the MIT Artificial Intelligence Laboratory, Xerox AI... Read More.

Tim Tyler (Qualcomm)

Sr. Staff Engineer
Qualcomm Open Source Portal Team

David Uhlman (clearhealth inc.)

David Uhlman is CEO of ClearHealth Inc. and a has been longstanding contributor and entrepreneur in open source technology for 15 years including contributions to Linux, Java, CentOS, and Joomla. He is a frequent speaker and contributor including previous talks at OSCON, SCALE, and others.

ClearHealth Inc is the company associated with the ClearHealth open source project, a practice management and electronic medical record system derived from VA VistA started in 2003 which now has over 18 million patients in more than 1,000 installations including notable large scale systems like Tarrant County TX, The Primary Care Coalition, The University of Texas Medical Branch and numerous Federally Qualified Health Centers (FQHC) nationwide.

Manish Vachharajani

Manish was the Founder and Chief Software Architect of LineRate Systems, a high-performance software networking startup that was acquired by F5 Networks in February 2013.

LineRate Systems’ core technology is based on Node.js and Manish’s research group’s work on high-performance networking at the University of Colorado at Boulder.

Prior to LineRate, Manish dedicated 13 years studying
software performance on general purpose processors. He co-authored nearly 50 publications on processor performance in a range of fields including optimizing compiler design, on-chip optics, performance modeling, parallel programming, and high performance networking. His work has been recognized by best paper and presentation awards at
top-tier conferences, support from the National Science Foundation, and support from industry leaders such as Intel and NVIDIA. Manish is currently... Read More.

José Valim
José Valim (Plataforma Tec), @josevalim

José Valim is the creator of the Elixir programming language and member of the Rails Core Team. He graduated in Engineering in São Paulo University, Brazil and has a Master of Science by Politecnico di Torino, Italy. He is also the lead-developer of Plataformatec, a consultancy firm based in Brazil, and an active member of the Open Source community.

William Van Hevelingen
William Van Hevelingen (Portland State University), @pdx_blkperl

William Van Hevelingen started with Linux and configuration management as part of the Computer Action Team’s Braindump program at Portland State University. He worked on the Wintel, Nix, and Networking teams as a volunteer and later as a student worker helping to manage hundreds of workstations, servers, and networking infrastructure. William now works full time for the Computer Action Team (TheCAT), which provides IT for the Maseeh College of Engineering and Computer Science at Portland State University, as the Unix Team lead. He helps teach the Unix portion of the CAT’s Braindump program, covering topics like web servers, databases, storage, virtualization, and Puppet. William is a co-author of Pro Puppet 2nd Edition and Beginning Puppet book which is to be released in late 2014.

Heather VanCura
Heather VanCura (Java Community Process (JCP))

Heather VanCura manages the JCP Program Office and is responsible for the day-to-day nurturing, support, and leadership of the community. She oversees the web site, JSR management and posting, community building, events, marketing, communications, and growth of the membership through new members and renewals. Heather has a front row seat for studying trends within the community and recommending changes. Several changes to the program in recent years have included enabling broader participation, increased transparency and agility in JSR development.

Poornima Venkatakrishnan

I am a web developer who is passionate about all things node.js and open source. I am an active contributor/ maintainer of Krakenjs – Paypal’s open sourced app framework for express. I like playing with new technologies, solving difficult problems and working on game changing projects. To sum up, I love a good challenge that keeps me on my toes.

Alvaro Videla

Alvaro Videla works as Developer Advocate for RabbitMQ/Pivotal. Before moving to Europe he used to work in Shanghai where he helped building one of Germany biggest dating websites. He co-authored the book “RabbitMQ in Action” for Manning Publishing. Some of his open source projects can be found here. Apart from code related stuff he likes traveling with his wife, listening/playing music and reading books.

Ryan Vinyard
Ryan Vinyard (Highway1)

Ryan is the Engineering Lead at Highway1, a hardware-focused startup accelerator located in San Francisco under parent company PCH International. He is a Mechanical Engineer who came to PCH through its consulting arm Lime Lab, where he developed consumer products for Fortune 500 brands. Previous to PCH, Ryan worked at startups in the cleantech and electric vehicle space where he developed novel powertrain, motor control, and thermal systems. Ryan holds a B.S. in Product Design from Stanford University.

Robert Virding
Robert Virding (Erlang Solutions Ltd.), @rvirding

Robert is Principal Language Expert at Erlang Solutions Ltd. He was one of the early members of the Ericsson Computer Science Lab, and co-inventor of the Erlang language. He took part in the original system design and contributed much of the original libraries, as well as to the current compiler. While at the lab he also did a lot of work on the implementation of logic and functional languages, as well as garbage collection.

Robert’s passion is language implementation and he created a Lisp Flavored Erlang (LFE) and Luerl, leveraging his intimate knowledge of the Erlang environment, compiler and VM. He did reactive programming long before it became a buzz word. He is also rumored to be the best Erlang teacher on this planet.

... Read More.
Karsten Wade
Karsten Wade (Red Hat/Fedora Project)

Since 2000 Karsten has been teaching and living the open source way. As a member of Red Hat’s Open Source and Standards team, he helps with community activities in projects Red Hat is involved in. As a 19 year IT industry veteran, Karsten has worked most sides of common business equations as an IS manager, professional services consultant, technical writer, and developer advocate. As of 2013, Karsten has been working on the CentOS Project as a new Board member, Red Hat liaison on the Board, and engineering team manager. You’ll see him getting involved in infrastructure, documentation, and distro building. He blogs at , microblogs at , and is found on IRC as ‘quaid’.

Karsten lives in his hometown... Read More.

Ken Walker
Ken Walker (Shopify Inc.)

Ken is the lead for the Open Source Orion project. He aims to make web based development tools match and exceed the capabilities of a desktop IDE and not just for Web applications. His work in developer tools includes a long history from ENVY/Smalltalk, VisualAge for Java, VisualAge Micro Edition, Eclipse and now the JavaScript based client side Orion platform. Previously he was responsible for IBM’s J9 Mobile JVM platform.

James Ward
James Ward (, @_JamesWard

James Ward works for Typesafe where he teaches developers the Typesafe Platform (Play Framework, Scala, and Akka).

Simon Wardley
Simon Wardley (Leading Edge Forum), @swardley

Simon Wardley is a researcher for the Leading Edge Forum focused on the intersection of IT strategy and new technologies. Simon is a seasoned executive who has spent the last 15 years defining future IT strategies for companies in the fast-moving consumer goods (FMCG), retail, and IT industries—from Canon’s early leadership in the cloud computing space to Ubuntu’s recent dominance as the top cloud operating system. As a geneticist with a love of mathematics and a fascination for economics, Simon has always found himself dealing with complex systems, whether in behavioral patterns, the environmental risks of chemical pollution, developing novel computer systems, or managing companies. He’s a passionate advocate and researcher in the fields of open source, commoditization, innovation, organizational structure, and cybernetics. Simon’s... Read More.

Corinne Warnshuis
Corinne Warnshuis (Girl Develop It), @corinnepw

Corinne is the Executive Director of Girl Develop It, a nonprofit with chapters in 36 cities that exists to offer affordable classes for women to learn web and software development. She moved to Philadelphia in 2011 after graduating from University of California, Santa Cruz.

Phillip Webb

Phil Webb is a Spring Framework developer and co-creator of the Spring Boot project. Prior to joining Pivotal and relocating to California, Phil worked for a number of UK technology companies.

Emma Jane Westby

Emma Jane Westby (née Hogbin) has been working as a web developer since 1996, and has been participating in FOSS communities for over a decade. She’s authored two books on Drupal (including the ever-popular Front End Drupal), and contributed technical reviews, and articles to many more publications. Passionate about information, and knowledge acquisition, Emma Jane teaches Web-based technologies online, at her local community college, and at conferences around the world. She is well-known in the Drupal community for her Drupal socks and their GPLed pattern. In her spare time, Emma Jane crafts, keeps bees, and likes to drink Scotch. You can find her at

Langdon White
Langdon White (Red Hat), @1angdon

Evangelist for the Red Hat Enterprise Linux platform and it’s associated Developer Program. Has spent 15 years architecting and implementing high-impact software systems for companies ranging from startups to large companies.

Sarah White
Sarah White (Asciidoctor, OpenDevise), @carbonfray

Sarah is the co-founder of OpenDevise. She’s passionate about helping open source projects find practical yet fun ways to communicate with their users and contributors.

Long ago, in a not-too-distant galaxy, she assessed hazardous waste sites and tracked pesticide routes through watersheds. So she knows a thing or two about identifying and eradicating stuff that kills projects, including poor documentation.

Dustin Whittle

Dustin Whittle is a Developer Evangelist at AppDynamics focused on helping organizations manage their application performance. Before joining AppDynamics, Dustin was CTO at Kwarter, a consultant at SensioLabs, and developer evangelist at Yahoo!. He has experience building and leading engineering teams and working with developers and partners to scale up. When Dustin isn’t working he enjoys flying, sailing, diving, golfing, and travelling around the world. Find out more at

Glen Wiley (Verisign, Inc.), @glenswiley

Glen spent seven years serving as the systems architect for the DNS resolution platforms for the largest domain in the world (.COM and two of the Internet root servers). He currently works in an R&D group at Verisign where he contributes to Internet standards and builds proof of concepts exploring new products and technologies. After more than 25 years in the industry Glen brings a rich blend of history and hands on experience to the talk.

Eric Wilhelm
Eric Wilhelm (Cisco, Inc.)

Eric Wilhelm is a programmer at Cisco, Inc. He is a father of two, former leader of the Portland Perl Mongers, author of many CPAN modules, and a contributor to several open source projects. He has spoken numerous times at OSCON and local user groups.

Cedric Williams

Cedric Williams is an InnerSource advocate for PayPal helping to grow the InnerSource Commons community. A technologist, pilot, coach, and advocate for individual freedoms, Cedric aspires to use narrative and technology to make communities powerful.

Kjerstin Williams
Kjerstin Williams (Applied Minds), @kjkjerstin

Dr. Kjerstin ‘KJ’ Williams directs the robotics and intelligent systems efforts at Applied Minds in Glendale, California. Kjerstin has delivered a wide variety of invited lectures and demonstrations on topics ranging from biologically-inspired design to computer vision in venues ranging from academic conferences to science museums
to the main stage at O’Reilly Media’s Maker Faire. Her current research interests include multi-modal perception strategies and the design and control of truly field-deployable, intelligent systems.

Also, she’s a fantastic jazz singer with KJ and the Conspirators in Los Angeles.

John Willis

John Willis is the VP of Customer Enablement for Stateless Networks. Willis, a 30-year systems management veteran, joined Stateless Networks from Dell where he was Chief DevOps evangelist. Willis, a noted expert on agile philosophies in systems management, came to Dell as part of their Enstratius acquisition. At Enstratius, Willis was the VP of Customer Enablement responsible for product support and services for the multi-cloud management platform. During his career, he has held positions at Opscode and also founded Gulf Breeze Software, an award-winning IBM business partner specializing in deploying Tivoli technology for the enterprise. Willis has authored six IBM Redbooks for IBM on enterprise systems management and was the founder and chief architect at Chain Bridge Systems. He is also co... Read More.

Mike Wolfson
Mike Wolfson (Epocrates), @mikewolfson

Mike is a passionate mobile designer/developer working out of Phoenix. He has been working in the software field for more than 15 years, and with Android since its introduction. Currently, he develops Android applications for the health care field, and is a Lead Mobile Developer at Athenahealth\Epocrates. He has a few successful apps in the Market and is an active contributor to the tech community, including organizing the local GDG.

Mike has spoken about Android and mobile development at a variety of conferences and user groups (including Oscon). When he is not geeking out about phones, he enjoys the outdoors (snowboarding, hiking, scuba diving), collecting PEZ dispensers, and chasing his young (but quick) daughter.

Jeff Wolski
Jeff Wolski (Uber)

Jeff Wolski has over 10 years of experience in tech and has worked in a variety of environments: investment banking, hospital operating rooms, broadcast television graphics, flash sale retailers and now Uber. At Uber, he spends his time hacking on Node.js, learning how to Scala, building Graphite dashboards and drinking jasmine green tea. He originally hails from New York and has recently made the trek over to San Francisco, a city which he finds amazingly beautiful.

Fangjin Yang
Fangjin Yang (Imply)

Fangjin Yang is a coauthor of the open source Druid project and a cofounder of Imply, a data analytics startup based in San Francisco. Previously, Fangjin held senior engineering positions at Metamarkets and Cisco Systems. Fangjin has a BASc in electrical engineering and an MASc in computer engineering from the University of Waterloo, Canada.

Alex Yong
Alex Yong (Saint Joseph's College (Indiana))

Alex is a graduating senior at Saint Joseph’s College, where he is majoring in Computer Science. After graduation, he has accepted a position working in network operations at Indiana University.

Danny Yuan
Danny Yuan (Netflix Inc), @g9yuayon

Danny is an architect and software developer in Netflix’s Platform Engineering team. He works on Netflix’s distributed crypto service, data pipeline, and real-time analytics. He is the owner of Netflix’s open sourced data pipeline, Suro, and also the owner of Netflix’s predictive autoscaling engine.

Tobias Zander
Tobias Zander (Self-Employed), @airbone42

Tobias is the CTO and a partner at Sitewards in Frankfurt, who specialize in e-commerce solutions.
Previously he was well regarded as a freelance consultant and software architect. Over the past years he has built up a development team at Sitewards that thrives to be at the cutting edge of web development.
With passion of inspiring developers he has taken part in and spoken at conferences such as Meet Magento, Developers Paradise, IPC, User groups and Unconferences. He has also had articles published in t3n and PHPMagazin.

Danilo Zekovic
Danilo Zekovic (Symphony )

Danilo is a sophomore at Saint Joseph’s College, from Novi Sad, Serbia. His interests are web programming, teaching programming, and anything in general that involves programming.

Carina C. Zona
Carina C. Zona (@CallbackWomen), @cczona

Carina C. Zona is a developer and advocate. Her day job is as the community manager for open source software ZeroVM. She has also been a teacher & organizer for many tech women’s organizations. Carina is the founder of @CallbackWomen, an initiative to connect first-time speakers with conferences. She is also a certified sex educator. In her spare time, she engineers baked goods. Using git. Because she loves versioning that much.