Velocity 2012 Speakers

New speakers are being confirmed daily. Please check back often to see the latest additions to the Velocity Conference program.

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John Allspaw
John Allspaw (Adaptive Capacity Labs)

John Allspaw has worked in software systems engineering and operations for twenty years in many different environments: biotech, government, online media, social networking, and e-commerce. He started out tuning parallel clusters running vehicle crash simulations for the U.S. government, and then moved on to the Internet in 1997. He built the backing infrastructure at,, Friendster, and Flickr, and Etsy. He served as SVP of Engineering and then Chief Technology Officer at Etsy, and holds an MSc in Human Factors and Systems Safety from Lund University.

Dion Almaer
Dion Almaer (Google)

Currently, Dion Almaer is an engineering director in Google’s Developer Products group, where he works to commodity developer infrastructure and make sure that external developers have access to the same quality Google products as internal Googlers do. Previously, took part in the software process from his own startups as well as at well-known companies such as Mozilla, Palm, and Walmart.

Arya Asemanfar (Twitter, Inc.)

At @twittereng, Arya is an engineer on the Application Services team, the custodians of Twitter’s core logic and application infrastructure. He is responsible for aspects of the business logic and scalable delivery of Twitter’s application.

Before Twitter he worked at Serious Business as a Technical Lead. Serious Business was acquired by Zynga, where Arya was a Principal Software Engineer working on key infrastructure for CityVille and Treasure Isle, as well as helping to start the Shared Tech Group, a common game architecture that underlies all new games created at Zynga.

Matt Atterbury
Matt Atterbury (Google Inc)

Matt Atterbury is a Software Engineer on Google’s Pagespeed Automatic team in Cambridge, MA, which is dedicated to making the web faster for everyone. When not coding, Matt is probably on his bike.

Hooman Beheshti
Hooman Beheshti (Strangeloop Networks)

With over 15 years of experience working in the networking technology realm, Hooman is well versed in load balancing, application acceleration, and content delivery networks. He previously served as the VP of Technology for Crescendo networks and the CTO for Radware Inc., where his insights and technical expertise helped bring innovative, award winning networking products to market. A pioneer in the application acceleration space, he helped design one of the original load balancers while at Radware. Hooman’s experience ranges from defining and driving the development for load balancing, web acceleration, and application delivery products, to leading the technical evangelism initiatives behind them. He holds a Bachelor of Science in Electrical and Computer Engineering from the University of California Irvine.

Steve Bennett
Steve Bennett (Daemon Solutions Ltd)

I am a founder at Daemon Solutions, based in the UK. We are a professional services consultancy who specialises in performance and operations. I am fascinated by problem resolution techniques and I like to explore parallels with other industries and see how alternative methods can be applied to our industry.

David Beran
David Beran (

David Beran, Performance Engineer at, has extensive experience in Web 2.0 application performance testing, analysis, tuning, optimization, development and architecture for highly scaled web applications. He also specializes in developing custom load management software for high throughput, real-time, highly available systems. Other specialties include virtualization, high availability, capacity planning and WebSphere applications.
In his free time, David likes music production, photography and cooking.

Joshua Bixby
Joshua Bixby (Strangeloop Networks)

With oversight of marketing, sales, partnerships and product management, Joshua defines Strangeloop’s strategic marketing and product direction. Joshua has more than 10 years of experience in the computer industry. He co-founded and served as president and chief executive officer of IronPoint Technology, helping lead the company to a successful acquisition by The Active Network in 2006. Josh has served as senior vice president, marketing and product development, at NTS Internet Solutions after having held senior marketing and product roles at MNK, and GRAPAD. Before entering high tech, Joshua worked with micro-finance institutions in Benin, West Africa, auditing banks and implementing financial controls. He is a Business in Vancouver Top 40 Under 40 award recipient.

Buddy Brewer
Buddy Brewer (LogNormal)

Buddy Brewer is the Co-Founder and CEO of Log Normal, a company that helps people measure, diagnose, and solve web performance issues. Prior to Log Normal Buddy spent ten years in the web performance monitoring industry building monitoring tools and helping some of the largest web sites in the world solve emerging performance challenges.

Mike Brittain
Mike Brittain (Etsy)

Mike leads the Mobile group at Etsy (iOS, Android, Mobile Web), and was previously responsible for building up the Software Infrastructure teams (Core Platform, Dev Tools, CI, Site Performance).

Want to hear what Etsy is up to? Want to chat Continuous Deployment, Performance Culture, or Mobile Development? Reach out and let’s find a chance to meet at Velocity NYC:

Carlos Bueno
Carlos Bueno (MemSQL)

Carlos Bueno is a Senior Engineer at MemSQL, helping to build the next generation of measurement systems and performance tools. After 18 years in industry Carlos has forgotten more about coding and design than someone with a better memory. Most recently he was a member of Facebook’s Performance team, saving the company bags of cash through careful measurement and mature optimization. He is also the author of Lauren Ipsum, an award-winning children’s novel about computer science.

Luz Caballero
Luz Caballero (Opera Software)

Luz works at Opera as a Web
Opener, from Palo alto, CA. Her job is to help developers use Web
Standards to make the Web interoperable across all browsers and
devices, ensuring it stays accessible for everybody.

Jorge Castro
Jorge Castro (Canonical Ltd. / Ubuntu)

Jorge O. Castro currently works on the Community Team as Cloud Community Liaison for Canonical Ltd, sponsors of the Ubuntu project. Jorge has been using Linux since 1998, and his current passion is juju, the new cloud deployment tool. He has spoken at the Ohio Linux Fest, SCaLE, and the Ontario Linux Fest as well as various LUGs over the years.

Vik Chaudhary
Vik Chaudhary (Keynote)

Mr. Chaudhary is responsible for leading Keynote’s product management team and has extended the company into new markets via 15 acquisitions. He has spent over 20 years in chief executive, marketing and engineering positions in Silicon Valley, previously having served as VP Marketing and Corporate Development at Keynote, CEO of a cloud startup Bizmetric, and has held leadership roles at public software companies Gupta Technologies and Oracle Corporation. Mr. Chaudhary is a frequent speaker at industry events on Internet software, cloud computing, and business development, and has been featured in the New York Times and on the ABC News Nightline program. Mr. Chaudhary holds a B.S. in Computer Science and Engineering from the Massachusetts Institute of Technology.

Mike Christian
Mike Christian (Yahoo!)

Mike has spent the last 8 years building highly available systems for Yahoo!, from global replication of petabyte data sets, to massively distributed CDN and traffic routing mechanisms dispersed to points throughout the world. Prior to that, he spent 9 years building interactive television systems at Oracle and Thirdspace, wrestling bus sized parallel supercomputing systems and building fast lightweight DVR client applications. He particularly enjoys solving unsolvable problems.

Lew Cirne
Lew Cirne (New Relic)

Lewis Cirne is founder and CEO of New Relic, Inc. the leader in SaaS Application Performance Management. He is a seasoned entrepreneur, technologist, and enterprise software pioneer who founded Wily Technology in 1998. Lew served as Wily’s chief executive officer for the first four years and subsequently as its chief technical officer. He invented its flagship performance management solution, Introscope, and played a key role in Wily’s 2006 acquisition by CA, Inc. After leaving CA and prior to founding New Relic, Lew was an entrepreneur-in-residence at Benchmark.

Richard Cook
Richard Cook (Ohio State University SNAFUcatchers)

Richard Cook is a research scientist in the Department of Integrated Systems Engineering at the Ohio State University in Columbus, Ohio, and emeritus professor of healthcare systems safety at Sweden’s KTH. A physician, researcher, and educator, Richard is an internationally recognized expert on safety, accidents, and human performance at the sharp end of complex, adaptive systems. His most often cited publication is “Going Solid: A Model of System Dynamics and Consequences for Patient Safety.”

Jon Cowie
Jon Cowie (Chef)

Jon is a Web Operations Engineer at Etsy, having done the rounds as Syadmin at several London tech startups. He likes Chef. A lot.

Cliff Crocker
Cliff Crocker (Akamai)

Cliff Crocker is a product line director at Akamai Technologies, where he spends his time building product strategy for performance analytics. Previously, he was vice president of product at SOASTA and engineering leader for the performance, reliability, and site analytics initiatives at @WalmartLabs. Cliff is an active contributor in the web performance community, evangelizing the importance of speed as it relates to user behavior and ultimately business ROI. In his spare time, he enjoys skiing in the mountains of Colorado, where he resides with his wife and two boys.

Tom Croucher
Tom Croucher (Uber)

Tom Croucher is a Staff Engineer on the Uber SRE team, probably the fastest-growing technology company in the world. Previously, he was the CTO at, consulted for clients like Walmart, Nexenta, MySpace, Comcast, and the New York Times, and worked at Joyent on the Node.js team and Yahoo on the homepage team. Tom is the coauthor of the O’Reilly book Up and Running with Node.js and has contributed to a number of web standards for the World Wide Web Consortium (W3C) and the British Standards Institute (BSI). He has worked with some of the world’s leading brands including NASA, Tesco, Three UK, and the UK’s Channel 4 Television.

Tom Daly (Dyn Inc.)

Tom Daly is Chief Technology Officer at Dynamic Network Services, Inc. (Dyn), where he is responsible for setting the technical vision and architecture of the company’s Infrastructure-as-a-Service (IaaS) offerings, including Managed DNS and Email Delivery platforms. With over 10 years experience in designing and deploying Dyn’s global anycast network, Tom is well-versed with the internals of how the Internet works at scale, and is an expert in global Internet architecture, the Domain Name System (DNS), email, and network security.

Tom also oversees Dyn’s research and development department: Dyn Labs. Labs is Dyn’s technology playground, designed to investigate potential technology offerings for clients and Internet users worldwide. The group focuses on technical development as a resource to Dyn’s engineering teams while keeping an ongoing pulse on Internet policy and protocol development.

Teresa Dietrich
Teresa Dietrich (WebMD)

Teresa Dietrich’s passion for Operational Excellence, Technical Innovation and Web Scale Systems has been the focus of her 15 years in the Internet Industry. She is currently the VP of Technical Operations at WebMD. She joined the company 5 years ago to create a Network Operations team. Teresa acquired responsibility for Database, Web, and CMS Operations, as well as Corporate Desktop Services. She also created the Operations Service Center and a Site Reliability Engineering team to fill needs she identified in her organization. Previously, Teresa spent nearly 10 years in positions throughout AOL Technology.

Find out more @

Nat Duca
Nat Duca (Google)

Nat Duca works on making web browsing in Chrome as smooth and jank free as possible.

Marcel Duran
Marcel Duran (Google Inc.)

Marcel Duran is Front End Engineer at Google Inc. Prior to that he had been into web performance optimization on high traffic sites at Twitter Inc. and Yahoo! Front Page and Search teams where he applied and researched web performance best practices making pages even faster. On his last role as the Front End Lead for Yahoo!’s Exceptional Performance Team, he was dedicated to YSlow (now as his personal opensource project) and other performance tools development, researches and evangelism.

Nathan Dye
Nathan Dye (Amazon Web Services)

Nathan has more than 12 years experience building and operating internet-scale services. He works as a software development manager at Amazon Web Services CloudFront and Route 53. Both services run at the edge of the Internet and improve the performance and availability of his customers’ applications. Prior to Amazon, Nathan worked for an Internet startup and experienced the thrill and pain of growing a service from nothing to the largest in its category.

Jeremy Edberg
Jeremy Edberg (MinOps)

Jeremy Edberg, the CEO and Founder of MinOps, which makes using the cloud stupid easy. He is an angel investor and advisor for various incubators and startups. Previously, Jeremy was the founding reliability engineer for Netflix. Before that, he ran Ops for Reddit, which at the time had more than five billion pageviews a month. Jeremy’s expertise is in distributed computing, availability, rapid scaling, and cloud computing. He also edited the highly acclaimed AWS for Dummies.

Shahar Erez
Shahar Erez (VMware)

Shahar Erez, Director, Application Management Products
Shahar Erez joined VMware in 2010 and is responsible for setting the product and go-to-market strategies for VMware’s Application Management products, bringing more than 12 years of product development experience. During Erez’s time at VMware he has successfully launched the company’s suite of application management products, including VMware vFabric Application Performance Manager and Application Director, VMware vCenter Infrastructure Navigator and VMware Studio. Prior to coming to VMware, Erez served as the director of products for BTO Analytics at HP. During his two years at HP, he led and incubated the design and release of HP Service Health Analyzer, a new solution based on advanced analytics to automate the analysis of complex IT performance issues and reduce MTTR. He also led the design and development of the BTO Analytics Suite, also known as CIO Dashboard or the IT Performance Suite. He spent four years managing product launches at Mercury Interactive before the company was acquired by HP in 2006. Erez earned his MBA from Technion (the Israel Institute of Technology) and his bachelor of science degree in computer science from the Interdisciplinary Center in Hertzeliya, Israel.

Ben Galbraith
Ben Galbraith (Google)

Ben Galbraith is the head of product and developer relations for Google’s Developer Product group. Prior to Google, Ben has alternated between entrepreneurial and executive roles across companies in many industries, such as Mozilla, Palm/HP, and Walmart. He lives in Palo Alto with his wife and eight children.

Tony Gentilcore
Tony Gentilcore (Google)

Tony Gentilcore is a Software Engineer on the Chrome Speed team.

At Google he has also worked on web search performance and Chrome on Android. He enjoys making the web faster and to that end: participates in the web standards, wrote chapter for “Even Faster Web Sites” and helped create Page Speed and Web Page Replay.

Taras Glek
Taras Glek (Mozilla Corporation)

Taras is a performance geek at Mozilla. He is tasked with studying Firefox performance and coordinating browser optimization via the Snappy project. In the past Taras has worked on mobile app optimization, C/C++ analysis/refactoring tools, database-backed web apps and a functional-language operating system.

Auguste Goldman
Auguste Goldman (Go Daddy)

Auguste leads Go Daddy’s Technology Team and is responsible for: Product Development, IT operations, Information Security and Research/Development. Before taking over as Go Daddy CIO, Auguste was the project “champion” for the One Click Provisioning (1CP), a program that automates server creation for Go Daddy’s hosting infrastructure which serves more than 5 million hosted websites. Auguste also led Go Daddy’s 2010 COBIT IT governance initiative.

Prior to 2010, Auguste served as the CEO of Integralis Managed Security Services in Stockholm, Sweden and CTO of Linde AG, the world’s largest natural gas company based in Munich, Germany. In his spare time, Auguste enjoys performing karaoke to ABBA songs with his colleagues.

Jason Grigsby
Jason Grigsby (Cloud Four)

Jason Grigsby is cofounder of Cloud Four, a small web agency in lovely Portland, Oregon. Jason was part of the team that worked on the Obama ‘08 iPhone app, founded Mobile Portland and the first open device lab, and was a signatory to the Future Friendly Web Manifesto. When he was young, Jason whistled at 1,200 baud, was utterly unimpressed when first introduced to Mosaic, and was bit by the mobile bug in 2000, when WAP was crap. Jason coauthored Head First Mobile Web for O’Reilly. He participated in the Responsive Images Community Group and has written numerous articles on how to use responsive images. He is currently obsessed with the potential of progressive web apps.

Chris Haag
Chris Haag (Cedexis)

Chris Haag (Cedexis Services and Operations) loves to find elegant solutions to Operational problems. Over the last 12 years he’s struggled with these problems at startups like IronPort and E2open and giant companies like Cisco Systems.

Sven Hammar
Sven Hammar (Apica Systems)

Sven Hammar founded Apica in 2005. As CEO, he has led the company from concept through development to becoming a premier provider of performance testing and monitoring. Sven has extensive business and technical experience in startups and public companies. Prior to founding Apica, he was CEO & co-founder of Celo Communications leading the structuring, funding and growth of the company. He also served as VP of Marketing at Gemplus (GEMP) leading the market launch of Gemplus security solutions/products for banking and PC-OEM with major players like RSA, VISA, MasterCard, ACI, Panasonic, and Target.

Paul Hammond makes things on the internet. He’s currently working on Typekit, a cloud based font subscription service for web designers. Previously he led a group of hard working supernerds at Flickr. He was involved in early versions of Yahoo Fire Eagle and Yahoo Pipes, and has helped build infrastructure for the BBC, Yahoo Bookmarks and Delicious.

Paul has spoken at conferences on subjects ranging from the future of broadcasting to how to win at Monopoly. He lives in San Francisco with 2 kids and no dog, and keeps an irregularly updated technical weblog at

Dominic Hamon
Dominic Hamon (Google)

Dominic works at Google as a Senior Software Engineer and is focused on making the Internet faster. His work over the past year has been on the Chrome browser, specifically focused on prerendering pages and finding ways to get what the user wants before they know they want it. Before working at Google, Dominic spent ten years in the game development industry, working at companies such as Electronic Arts in Vancouver BC, Sony Computer Entertainment Europe in London, and Lucasfilm in both Singapore and the Bay Area.

Mitchell Hashimoto
Mitchell Hashimoto (HashiCorp)

Mitchell is best known as the creator of Vagrant and founder of HashiCorp. He is also an O’Reilly author and professional speaker. He is one of the top GitHub users by followers, activity, and contributions. “Automation obsessed,” Mitchell strives to build elegant, powerful DevOps tools at HashiCorp that automate anything and everything. Mitchell is probably the only person in the world with deep knowledge of most virtualization hypervisors.

Ariya Hidayat
Ariya Hidayat (Shape Security)

Ariya Hidayat is the author of Esprima and PhantomJS. These days, he focuses mostly on software craftsmanship with HTML5, JavaScript, and other web technologies. Ariya is currently running the engineering team at Shape Security.

Joshua Hoffman
Joshua Hoffman (LeaseWeb)

A security focused system administrator and technical instructor, Joshua Hoffman has trained operations staff from the west coast to the far east in practical, efficient, and effecting system management techniques. Hoffman created major portions of Red Hat’s acclaimed System Administration training program, and certification exams.

Jim Houska
Jim Houska (

Jim Houska, Enterprise Architect at, has extensive experience in infrastructure architecture, operations, engineering, strategy, planning and comprehensive solution design for fortune 500 companies including JPMorgan Chase, Allstate and Discover.
Jim’s specialties include application performance management, advanced virtualization, unified computing, high availability and clustering, capacity planning and infrastructure architecture.

Charlie Hunt (

Charlie Hunt is the Architect of Performance Engineering at and the lead author of the popular book, Java Performance. At, Charlie is responsible for improving the performance of’s infrastructure, mobile and UI along with the evolution of internal performance tools. Previously, Charlie was the JVM Performance Architect at Oracle where he was responsible for improving the performance of the Java HotSpot VM and Java SE class libraries. He wrote his first Java application in 1998 and joined Sun Microsystems, Inc. in 1999 as a Senior Java Architect. He has been working on improving the performance of Java and Java applications ever since. He is a regular speaker on the subject of Java performance at many world-wide conferences including the JavaOne Conference.

Adam Jacob
Adam Jacob (Chef)

Adam Jacob has been a systems administrator for 25 years. He helped write Chef and Habitat, cofounded and is on the board of Chef Software, and is a passionate advocate for sustainable free and open source communities. He also likes beaches more than mountains, is allergic to plants, and gets nervous every time he speaks in public.

Arvind Jain
Arvind Jain (Google)

Arvind is a Director of Engineering at Google and works on making Google and the Internet fast. He also helped establish and chairs the W3C’s Web Performance Working Group.

Chris Joel
Chris Joel (Cloudflare)

I have been building web applications targeting browsers and mobile devices for almost ten years. I am presently employed to build tools and libraries that artificially enhance the client-side loading speed of arbitrary websites when viewed on arbitrary devices. I write code that enables applications to be aesthetically pleasing, intuitively usable and fast all at once, and the exercise of writing this code has given me many unique insights about JavaScript performance.

Luke Kanies
Luke Kanies (Puppet Labs)

Luke founded Puppet and Puppet Labs in 2005 out of fear and desperation, with the goal of producing better operations tools and changing how we manage systems. He has been publishing and speaking on his work in Unix administration since 1997, focusing on development since 2001. He has developed and published multiple simple sysadmin tools and contributed to established products like Cfengine, and has presented on Puppet and other tools around the world, including at OSCON, LISA,, and His work with Puppet has been an important part of DevOps and delivering on the promise of cloud computing.

Venkatesh Katari
Venkatesh Katari (

Venkatesh Katari is a Mobile performance engineer at . Venkatesh has been building tools on iOS and Android to measure the front end performance on the mobile stack. He believes that the mobile performance measurement tools have to be on par with web browser based tools as of yesterday, and has been devoting his time to make mobile performance a better experience.

sajal kayan
sajal kayan (Turbobytes)

Web geek and an experienced software engineer with 10+ years experience in web application development, cloud computing and performance optimization.

Ken King (Yammer)

Ken King started his professional life with a Degree in Forestry working for the US Forest Servers as an Operations Research Analyst. After a few years of mathematical modeling work he became bored and ended up in graduate school pursing a graduate degree in computer science. He ended up at Chevron where he started in work in Operations, supporting a global, unix based oil trading system.

Ken is currently the Director of Operations and Systems Engineering for Yammer.

Ken has lead operations organizations and has build large scale systems for Digital Island, VISA, Hi5, Loomia and Yammer.

Raffi Krikorian
Raffi Krikorian (Uber Advanced Technologies Center)

At Twitter, @raffi leads the Applications Services group, the custodians of Twitter’s core logic – his teams manage, amongst other things, the business logic, scalable delivery, APIs, and authentication of Twitter’s application. Previously, he was the lead of the public APIs as well as being the one of those behind Twitter’s Geospatial APIs.

Before Twitter he used to create technologies to help people frame their personal energy consumption against global energy production (Wattzon – Business Week’s “Best Idea” 2008), and also ran a consulting company building off-the-wall projects. At one point, he used to teach at NYU’s ITP (created the class “Every Bit You Make”) and spent way too much time as a student at MIT and the MIT Media Lab (Internet 0 – Scientific American September 2004).

Aaron Kulick (Xiphoid Industries)

Aaron Kulick is an guerilla engineer currently working inside the @platform team of WalmartLabs. He first came to the web performance community thinking it was just another data point in his previous life as systems engineer, but quickly found himself moonlighting on projects linking synthetic performance and browser automation with real user monitoring (R.U.M.).

Aaron is also the founder of the San Francisco & Silicon Valley Web Performance Group ( which is fast approaching the completion of its second year and is the largest Web Performance group outside of Velocity. He tweets occasionally as @GoFastWeb.

Brian LeRoux
Brian LeRoux (Adobe Systems)

Former lead of development at Nitobi Software and current hacker of PhoneGap at Adobe. Chair of Native Web Apps Community Group at the W3C. Incubating at Apache. Hacking mobile JavaScript since it wasn’t cool to do so.

Patrick Lightbody
Patrick Lightbody (New Relic)

Patrick Lightbody, director of product management at Neustar Enterprise, is the founder of BrowserMob, a cutting edge load testing and website monitoring provider, which is now part of Neustar. Before Patrick founded BrowserMob, he was Senior Product Manager at Gomez, running the QA Solutions Product Group. Patrick also founded HostedQA, an automated web testing platform. He is an avid open source contributor, proving his passion by founding OpenQA, creating Selenium Remote Control and co-creating Struts 2. Patrick holds a computer science degree from University of California, San Diego.

Tim Lossen
Tim Lossen (wooga - world of gaming)

Tim works as backend engineer at Wooga,
the third biggest social game developer with more than 30 million unique players per month.
He lives in Berlin with his girlfriend and two lovely little daughters.
In his spare time he can be found down in the basement, hacking on open
source hardware projects like the Evercube .

Stephen Ludin
Stephen Ludin (Akamai, Board Member ISRG)

Stephen Ludin is a Chief Architect for Akamai’s Site Acceleration and Security group. He joined Akamai in 2002 and works out of Akamai’s west-coast headquarter in San Mateo, California. His primary focus has been on projects related to the core proxy technology that is responsible for routing, accelerating, and securing Akamai’s traffic.

Most recently, as a technology leader in the Web Acceleration team, he has been leading the efforts behind Akamai’s next generation acceleration platform and its security and fraud prevention technology stack.

Ludin received his degree from the University of California at San Diego in Computer Music where his coding abilities were used in writing C programs to create experimental music. We are all grateful for his decision to use his technical and management skill in a more aesthetically pleasing realm of making the web a faster and safer realm for commerce and communications.

Dave Mangot
Dave Mangot (

Dave Mangot has worked for over 15 years doing systems administration in the Bay Area for startups, multiple ISPs, enterprise software companies, and websites.

Komal Mangtani
Komal Mangtani (VMware)

Komal Mangtani is Engineering Director at VMware leading its Application Lifecycle Management strategy. She has been with VMware for 5 years. While at VMware, she conceptualized and led development for vFabric Application Director and VMware Studio products. Prior to VMware, she has held technical and management positions at Oracle and BEA Weblogic Systems working on industry standard Weblogic Platform and Oracle Database Server group.

Dallas Marlow
Dallas Marlow (Tumblr)

Dallas Marlow is an engineer at Tumblr where he has spent the last year working on performance and operational problems at scale as the site has grown more than 3 times over. He specializes in measuring, monitoring and predicting datastore performance and scalability. Prior to Tumblr he has worked to improve performance and reliability of several popular websites such as, and

Kate Matsudaira
Kate Matsudaira (popforms)

Kate has spent her entire career working on amazing products with brilliant people. She has worked as the VP Engineering/CTO at several Seattle startups – including Decide, SEOmoz and Delve Networks (acquired by Limelight). Prior to joining the startup world she spent time as a software engineer, tech lead, and manager at Amazon and Microsoft.
Kate has hands-on knowledge and experience with building large scale distributed web systems, big data, cloud computing and technical leadership.

Kate has a B.S. in Computer Science from Harvey Mudd College, and has completed graduate work at the University of Washington in both Business and Computer Science (M.S.).

Bryan McQuade
Bryan McQuade (Google)

During Bryan’s time at Google, he has contributed to various projects that make the web faster, including Shared Dictionary Compression over HTTP, optimizing web servers to better utilize HTTP, and most recently, the Page Speed web performance tool. Prior to working on web performance, Bryan was the first full time engineer on the Google TV Ads team, where he helped to build some of Google’s TV ad auction and video management systems.

Patrick Meenan
Patrick Meenan (Facebook)

Patrick Meenan is a software engineer at Facebook, where he’s helping make the web faster. Patrick has been working on web performance in one form or another for the last 25 years. Previously, he worked at Cloudflare and Google to make Chrome and the web faster. Patrick created the popular open source WebPageTest web performance measurement tool, runs the free instance of it at, and can frequently be found in the forums helping site owners understand and improve their website performance.

Lucy Mendel (Rackspace)

Lucy Mendel has worked as a computer programmer and open source hacker at Rackspace, CloudKick and Endeca in addition to having two startups under her belt: Buy It Like You Mean It! and ProcrasDonate.

Sudhir Menon (VMware)

With over 20 years of cutting edge software experience with marquee firms like Gemstone, Intel, EDS and CenterSpan communications, Sudhir Menon is one of the key architects for both GemFire and SQLFire. Sudhir is the R&D Director for both products and hold multiple patents in the areas of scaled up networking systems. His expertise in distributed data management spans multiple languages (Java, C++ and .NET) and multiple platforms and he has architected and developed network stacks for the last 10+ years. At Centerspan communications, he was one of the key architects who built the largest secure peer to peer content distribution platform over the internet. Sudhir has an engineering degree from University of Pune and an MBA from Babson College

Shyam Mittur
Shyam Mittur (Yahoo! Inc.)

Shyam manages the Abuse Engineering team at Yahoo!. His prior work was in enterprise computing product management, IT infrastructure optimization and graphics software development.

Juan Negron
Juan Negron (Canonical)

During my years in California, I have witnessed the rise and fall of
the .com era, the housing boom and bust and, the many changes that
have affected so many of us. I am happy to have survived them and
found happiness in the process.

My name is Juan L. Negron and I am a father, a husband and a geek at heart.

Yashwanth Nelapati
Yashwanth Nelapati (Pinterest)

Engineer at Pinterest dealing with infrastructure and scalability. Yashh has been an engineer with Pinterest since the beginning.

Angela Nicoara
Angela Nicoara (Deutsche Telekom Innovation Laboratories, Silicon Valley Innovation Center, USA)

Dr. Angela Nicoara is a Senior Research Scientist at Deutsche Telekom Innovation Laboratories, Silicon Valley Innovation Center, USA since 2008. She received a PhD in Computer Science from ETH Zurich in 2007, where she was the leader, designer and builder of the PROSE open source system. After two years building search engine and information logistics systems at the German software company Caatoosee, Dr. Nicoara joined ETH Zurich, working on adaptive software architectures. Dr. Nicoara joined Google Inc in Mountain View, California for the summer of 2004. Her research interests are in the areas of services and mobile platforms, adaptive software architectures, virtual machines, middleware for mobile and distributed computing, and distributed systems. Her current research activities include the development of open and programmable mobile platforms (e.g., Android) and novel information technology services to shape the emerging trends in fixed and mobile infrastructure and services sectors. Dr. Nicoara’s work has been published in numerous leading scientific conferences, workshops and symposia proceedings, and is a regular speaker and panelist at major international scientific and industry conferences. Dr. Nicoara received several prestigious awards and honors for her research and technical contributions, the most recent ones include the Best Paper Award from IEEE RTAS 2012 and Best Student Paper Award from ACM WWW 2012. Her work has been quoted by the press and media, as well as she chaired and served as a technical program committee (TPC) member of multiple industry and academic conferences. Dr. Nicoara is a member of ACM and IEEE societies.

Michael Nygard
Michael Nygard (Cognitect)

Michael Nygard is an architect at Cognitect, the company behind Clojure, ClojureScript, Pedestal, and Datomic. Michael has been a professional programmer and architect for over 15 years. In that time, he has delivered systems to the US government, the military, and the banking, finance, agriculture, and retail industries, and his work has spanned domains as diverse as B2B exchanges, retail commerce sites, travel and leisure sites, an information brokerage, and applications for the military and intelligence communities. Along the way, Michael has shared his painfully won experience by mentoring, writing, and speaking. Michael contributed to the O’Reilly book 97 Things Every Software Architect Should Know and authored the best seller Release It! Design and Deploy Production-Ready Software.

Frank Ober
Frank Ober (Intel Corporation)

I am a Performance Architect for Intel’s web and cloud domains. My background is in DevOps, and in the current timeframe, I focus on agile performance solutions and services with a focus on Application Performance Management.

Jay Parikh
Jay Parikh (Facebook)

Jay Parikh is the VP of Infrastructure Engineering at Facebook, where he oversees infrastructure engineering and operations. Jay is responsible for leading software development and operations efforts focused on scaling Facebook’s infrastructure in order to support the company’s millions of users, developers and partners worldwide. Prior to Facebook, Jay was the Senior Vice President of Engineering and Operations at Ning, where he oversaw the global engineering and operations teams. While there, the teams he led created and scaled the company’s social networking platform from 50,000 social networks to over 1.5 million social networks. Before Ning, Jay was the Vice President of Engineering at Akamai Technologies where he helped build the world’s largest and most globally distributed computing platform. Over his nine years at Akamai, he led the engineering teams responsible for the distributed delivery and application acceleration services that are used today by thousands of Akamai customers. Jay also serves as a technology advisor to several early-stage companies and has filed several U.S. patents.

Roberto Peon
Roberto Peon (Google)

Roberto has always had a passion for making things faster, better, and more reliable. This passion led him to co-create SPDY at Google, where he has worked since 2004. Before Google, Roberto worked at SportVision, where, while working on creating new realtime augmented reality systems for sports television, he helped the company to win a number of Emmy awards .

Aaron Peters
Aaron Peters (TurboBytes)

Web performance optimization consultant. Founder of and Snowboarder. Dad. Born in the USA, lives in The Netherlands.

Peter Phaal
Peter Phaal (InMon Corp.)

Peter is the original inventor and a co-author of the sFlow standard. Peter is President and a Founder of InMon Corp., a leading provider of performance analysis software based on sFlow. Before InMon, Peter worked at Hewlett-Packard Laboratories where he created Hewlett-Packard’s Extended RMON technology. His book, LAN Traffic Management, describes the techniques of monitoring and managing traffic on local area networks. Peter has over 20 years experience in the field of network performance monitoring.

Guy Podjarny
Guy Podjarny (Snyk)

Guy Podjarny is Snyk’s co-founder and CEO, focusing on using open source and staying secure. Guy was previously CTO at Akamai following their acquisition of his startup,, and worked on the first web app firewall & security code analyzer. Guy is a frequent conference speaker & the author of O’Reilly “Securing Open Source Libraries”, "Responsive & Fast” and “High Performance Images”.

Kiran Polavarapu
Kiran Polavarapu (

Kiran is an engineer on the UI Performance Engineering team @ He has worked on web performance issues in various roles for almost 5 years. During his time at SFDC, he has been instrumental in evangelizing, defining and driving web performance initiatives for several enterprise cloud applications.

Sunil  Potti
Sunil Potti (Citrix Systems Inc)

Sunil Potti is vice president and general manager of the NetScaler Product Group at Citrix. Potti joined Citrix from F5 Networks, where he was a vice president of development and prior to that he co-founded and led all product efforts for Application-Oriented Networking at Cisco. Potti’s background includes heading products at Synchrony, a hosted eCRM solution company, and also many years at Sybase in various roles including leading the Sybase Central Architecture team.

Paul Querna
Paul Querna (Rackspace)

Paul Querna is an Architect at Rackspace, and former Chief Architect at Cloudkick. Paul has participated in many open source projects and is a committer to the Apache HTTP Server and Apache Libcloud, the open source library for developers to build portable cloud applications. Paul also previously served as VP of Infrastructure for the Apache Software Foundation.

John Rauser
John Rauser (Snapchat)

John has been extracting value from large datasets for over 20 years at hedge funds, small data-driven startups, Amazon, Pinterest, and now Snapchat. He has deep experience in machine learning, data visualization, on-line experimentation, website performance and real-time fault analysis. An empiricist at heart, “Just do the experiment!” is his favorite call to arms.

Alois Reitbauer
Alois Reitbauer (Dynatrace)

Alois Reitbauer is chief evangelist at Dynatrace. Alois is fanatic about monitoring, DevOps, and application performance and has spent most of his professional career building monitoring tools and speeding up applications. He is a regular conference speaker, blogger, book author, and sushi maniac.

Jesse Robbins
Jesse Robbins (Orion Labs)

Jesse Robbins (@jesserobbins) is Founding CEO & Chief Community Officer of Opscode and a widely recognized expert in Infrastructure, Web Operations, and Emergency Management.

Opscode makes Chef , the powerful open source tool used by thousands of developers & systems administrators to automate, manage and scale infrastructure of any size and complexity. With Chef Cookbooks users can find and share recipes for over 380 infrastructure components . The Opscode Platform is the hosted configuration management service that makes Chef even more powerful and easy to use.

Jesse was a founding chair of the Velocity Web Performance & Operations Conference and contributes to the O’Reilly Radar . Prior to co-founding Opscode, he worked at with a title of “Master of Disaster” where he was responsible for Website Availability for every property bearing the Amazon brand.

Robbins is a volunteer Firefighter/EMT and Emergency Manager, and led a task force deployed in Operation Hurricane Katrina. His experiences in the fire service profoundly influence his efforts in technology, and he strives to distill his knowledge from these two worlds and apply it in service of both.

Eddie Satterly
Eddie Satterly (Splunk)

Eddie has played a key role in big data adoption at his former employers and was a data scientist before it was cool. He plays a key role with Splunk in adoption of the product as well as in partnerships with the big data community.

Jan Schaumann
Jan Schaumann (The Internet)

Jan Schaumann is an infrastructure and information security engineer and an adjunct professor of computer science. Jan has over 15 years of experience in both small-scale deployments and enormous high-availability infrastructures serving millions of users. Today he spends most of his time worrying about online privacy and infrastructure security and integrity. You can follow him on Twitter as @jschauma.

Theo Schlossnagle
Theo Schlossnagle (Circonus)

Theo Schlossnagle is a Founder at OmniTI where he leads research and development of scalable solutions for highly trafficked sites and other clients in need of sound, scalable architectural engineering. He was the architect of the highly scalable Momentum digital messaging platform. For the last year, Theo has focused on bringing the hard-won experience monitoring mission-critical systems to market via the Circonus monitoring platform. Theo is a participant in various open source communities including OpenSolaris, Linux, Apache, PostgreSQL, perl, and many others. He is a published author in the area of scalability and distributed systems as well as a veteran speaker in the open source conference circuit.

Theo founded several successful startups as engineering focused organizations including: OmniTI, Circonus, Message Systems and Fontdeck.

Baron Schwartz
Baron Schwartz (VividCortex)

Baron Schwartz is the founder and CTO of VividCortex, the best way to see what your production database servers are doing. Baron has written a lot of open source software and several books, including High Performance MySQL. He’s focused his career on learning and teaching about performance and observability of systems generally, including the view that teams are systems and culture influences their performance, and databases specifically.

Chris Selvig
Chris Selvig (Market Live)

Chris Selvig has worked in numerous roles for MarketLive’s Client Services, Managed Services and Hosting, Organizational Development, and Finance groups over the last 13 years. His responsibilities are implementation and administration of companywide applications and their associated processes. He is also responsible for reporting metrics development and analysis for the Client Services and Managed Services groups. He is responsible for management of MarketLive’s Keynote Systems, Changepoint, Jira, Confluence, and Splunk applications.

James Sheridan
James Sheridan (

James started his career as a web designer in the mid 90s. It didn’t
take long before the designing became developing, and then developing
became administration. The 90s is pretty much where his web design
skills still lie. His systems experience took him to leading the
Infrastructure team of UK e-retailer Ebuyer, and he has plied his
trade for the UK Government and most recently at The Times
newspaper. His core expertise is in building highly-available,
fault-tolerant infrastructure for all kinds of businesses, whether
hosted on bare metal or in the cloud.

James heads up Yammer’s EMEA Foundation Services Engineering team.

James lives in London, where he fosters a life-long love-affair with
Tottenham Hotspur FC.

Lindsey Simon
Lindsey Simon (Google)

Lindsey Simon is a Front-End Developer at Twist, a mobile startup in San Francisco. Simon hails from Austin where he worked at startups, taught computing at the Griffin School, and was the webmaster for years at the Austin Chronicle.

Kyle Simpson
Kyle Simpson (Getify)

Kyle Simpson is an evangelist of the Open Web, passionate about all things JavaScript. He writes, speaks, teaches, and contributes to OSS.

Anupam Singh (MarketShare Inc)
Anupam is the Vice President of Technology at MarrketShare responsible for all technology platforms. Anupam has over 12 years of experience in database query processing teams at Oracle, Sybase and Informix (now IBM). At these companies, Anupam has focused on extending core databases to deal with new types of workloads. Prior to joining JovianDATA, Singh was at Oracle. As part of the Oracle query optimizer development team he worked on automatic detection and the tuning of SQL query performance issues. Before Oracle, Anupam was at Sybase where he founded and led the XML database effort. Anupam has patents and publications in the area of query processing. He graduated from Pune University in India.
Steve Souders
Steve Souders (SpeedCurve)

Steve Souders is chief curver at SpeedCurve, where he works on the interplay between performance and design. Steve previously served as Google’s head performance engineer, Yahoo’s chief performance officer, and Fastly’s chief performance officer. Steve pioneered much of the work in the world of web performance. He is the author of High Performance Web Sites and Even Faster Web Sites as well as the creator of many performance tools and services including YSlow, HTTP Archive, Episodes, ControlJS, and Browserscope. Steve taught CS193H: High Performance Web Sites at Stanford and serves as cochair of Velocity, the web performance and operations conference from O’Reilly.

Matthew Steele
Matthew Steele (Google)

Matthew Steele is a software engineer at Google, working on making the web faster. Matthew has worked on Page Speed for Firefox and Chrome, has contributed to mod_pagespeed, and most recently, has led design and development of mod_spdy for Apache.

Stoyan Stefanov
Stoyan Stefanov (Facebook)

Stoyan Stefanov is a Facebook engineer. Previously at Yahoo, he was the creator of the online image-optimization tool and architect of the YSlow 2.0. performance tool. Stoyan is the author of JavaScript Patterns and Object-Oriented JavaScript, a contributor to Even Faster Web Sites and High-Performance JavaScript, and a frequent speaker at conferences including Velocity, JSConf, Fronteers, and Ajax Experience.

Nicole Sullivan
Nicole Sullivan (Stubbornella)

Nicole is an evangelist, front-end performance consultant, CSS Ninja, and author. She started the Object-Oriented CSS open source project, which answers the question: how do you scale CSS for millions of visitors or thousands of pages? She also consulted with the W3C for their beta redesign, and is the co-creator of, an image optimization service in the cloud. She is passionate about CSS, web standards, and scalable front-end architecture for large commercial websites.

She co-authored Even Faster Websites and blogs at

Philip Tellis
Philip Tellis (Akamai)

Philip Tellis is a geek who likes to make the computer do his work for
him. As co-founder and CTO of Log-Normal, Inc, he analyses the impact
of various design decisions on web application performance,
scalability and security. He is also the lead developer of “boomerang”
— a JavaScript based web performance testing tool.

In his spare time, Philip enjoys cycling, reading, cooking and
learning spoken languages.

Philip has spoken at several conferences in the past, including
FOSS.IN, FREED.IN, Ubuntulive, Linux Symposium, PHP Quebec, ConFoo,
FOSDEM, IPC, WebDU, Velocity and JSConf.

OpenSource Developer
Mustafa Tikir
Mustafa Tikir (Google)

Mustafa M Tikir received his PhD degree at the University of Maryland, College Park. He received his BS degree at the Middle East Technical University, Ankara. His PhD research was on automatic performance tuning of HPC applications at runtime using online profiling data. Following PhD, he has worked at San Diego Supercomputer Center as a researcher to bring scientific rigor to the prediction and understanding of factors affecting the performance of current and projected HPC platforms. In 2010, he has joined Google as a member of the Make The Web Faster team. He has been working on measuring user perceived latency for websites and applications. He is primarily interested in performance measurement, modeling and tuning of applications.

James Turnbull
James Turnbull (Glitch)

James is an author and open source geek. James authored the two books about Puppet (Pro Puppet and the earlier book about Puppet. He is also the author of three other books including Pro Linux System Administration, Pro Nagios 2.0, and Hardening Linux.

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

James Waldrop
James Waldrop (Twitter, Inc.)

Performance Engineer, working on tools & automation as well as testing and analysis.

Rachel Walls
Rachel Walls (Opscode)

Mandi Walls is a Senior Consultant with Opscode. Prior to joining Opscode in 2011, Mandi administered large web properties for AOL, including,, and She has a MS in Computer Science from The George Washington University and an MBA from UNC-Kenan Flagler.

Dan Webb
Dan Webb (Twitter Inc)

Dan Webb is a software engineer based in San Francisco and the Engineering Manager of Twitter’s Web Core team.

Marty Weiner
Marty Weiner (Pinterest)

Marty joined Pinterest in early 2011 as the 2nd engineer. Previously worked at Azul Systems as a VM engineer focused on building/improving the JIT compilers in HotSpot

Matt Welsh
Matt Welsh (Google)

Matt is the head of the Mobile Web Performance team at Google. Prior to joining Google, he was a professor of Computer Science at Harvard University, where he led a research group with such varied projects as deploying wireless sensor networks on active volcanoes and building robotic bees. He is also the author of the classic O’Reilly book “Running Linux.” His research interests span a broad range of topics in the space of operating systems, networks, distributed systems, embedded systems, and programming languages. He completed his PhD from UC Berkeley.

Estelle Weyl
Estelle Weyl (Instart Logic)

Estelle Weyl started her professional life in architecture, then managed teen health programs. In 2000, she took the natural step of becoming a web standardista. She has consulted for Kodakgallery, Yahoo! and Apple, among others. Estelle shares esoteric tidbits learned while programming CSS, JavaScript and XHTML in her blog at and provides tutorials and detailed grids of CSS3 and HTML5 browser support in her blog at She is the co-author of HTML5 and CSS3 for the Real World, Mobile HTML5, What is CSS3 and HTML: The definitive Guide. While not coding, she works in construction, de-hippifying her 1960’s throwback abode.

Ian White
Ian White (Neustar)

Ian White has been working with BrowserMob for the past two years, focused on cloud-based website monitoring and load testing. He came to Neustar when BrowserMob was acquired last year and continues to lead development of the product. Ian has been involved with consumer websites for more than six years, garnering real-world experience with site optimization, scaling and performance testing in the process.

Shawn White
Shawn White (Keynote Systems)

Shawn White serves as vice president of operations. Mr. White oversees the management of Keynote’s global test and measurement infrastructure of over 3,000 measurement computers and mobile devices, in more than 240 locations. He is also responsible for the Keynote customer support organization and internal IT functions. As one of Keynote’s founding employees, Mr. White helped architect and build the world’s first globally distributed Web Performance monitoring network. An industry expert, Mr. White is regularly featured in business and technology media outlets for his analysis on how major events and public policy impact the Internet and mobile cloud.

Nathan Yergler
Nathan Yergler (Eventbrite)

Nathan Yergler is a senior member of the engineering team at Eventbrite. Prior to joining Eventbrite Nathan worked at Creative Commons, serving as Chief Technology Officer from 2007-2011. In that role he was responsible for architecting and building the technical infrastructure for CC licenses, and managing the engineering team.

Nathan lives in San Francisco with his dog, Madeline. She bites.

Nicholas Zakas

Nicholas C. Zakas is a staff software engineer at Box, author, and speaker. He worked at Yahoo! for almost five years, where he was front-end tech lead for the Yahoo! homepage and a contributor to the YUI library. He is the author of Maintainable JavaScript (O’Reilly, 2012), Professional JavaScript for Web Developers (Wrox, 2012), High Performance JavaScript
(O’Reilly, 2010), and Professional Ajax (Wrox, 2007). Nicholas is a strong advocate for development best practices including progressive enhancement, accessibility, performance, scalability, and maintainability. He blogs regularly at and can be found on Twitter via @slicknet.


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