Velocity 2010 Speakers

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

John Adams
John Adams (Twitter)

John Adams (Twitter Operations) has worked in computer security, operations, and systems engineering for over 16 years. Prior to Twitter, he has worked at Apple, Inktomi, c|net, and a major video-on-demand site, improving security, performance, and reliability at large scale.

Cheryl Ainoa
Cheryl Ainoa (Yahoo!)

As Senior Vice President of Global Service Engineering at Yahoo!, Cheryl is leading teams to develop groundbreaking hardware and software infrastructure that supports all Yahoo! products worldwide, managing over 800 employees and influencing over 6,000 engineers in the Product organization. Cheryl actively focuses on creating a global Service Engineering organization that provides scalable, technologically-sound solutions that are cost effective and maintain a positive end user experience. Within a short time through focusing on metric creation and analysis, improved processes and solutions, Cheryl has improved the user experience by significantly reducing the number of Service Engineering incidents.

During her six years at Yahoo!, Cheryl Ainoa has directed the technology and infrastructure backbone for Yahoo! global products and services, while simultaneously demonstrating tremendous leadership and a passion... Read More.

John Allspaw
John Allspaw (Adaptive Capacity Labs), @allspaw

John has worked in systems operations for over ten years in biotech, government and online media. 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 infrastructures at,, and, where he managed the Operations Engineering group. He is the author of “The Art of Capacity Planning” published by O’Reilly.

Troy Bailey
Troy Bailey (Tilera)

Mr. Bailey has more than 20 years of experience in marketing and embedded systems development. Prior to joining Tilera, he spent 4 years as Vice President of Marketing Strategy at Shell Energy with responsibility for developing the marketing and sales organizations. Troy started his 10-year career at Motorola in wireless product development. He then joined Motorola’s Semiconductor business where he managed the development of Java for embedded systems in partnership with Sun. In his final role at Motorola, he led marketing strategy for wireless semiconductors. Troy holds 4 patents, a BS in Electrical Engineering from the University of Washington, an MS in Electrical Engineering and Computer Science and a MBA from the Massachusetts Institute of Technology.

Hooman Beheshti
Hooman Beheshti (Strangeloop Networks)

Hooman is a pioneer in the application acceleration space. In 1997, he helped design one of the original load balancers. Since then, he has defined and driven the development of load balancing, web acceleration, and application delivery products, while also leading the technical evangelism initiatives behind them. Prior to becoming Vice President, Product, at Strangeloop Networks, Hooman was VP of Technology at Crescendo Networks and CTO of Radware Inc.

Mike Belshe

Mike Belshe is a veteran technologist who invented the multi-signature protocols used at BitGo. Prior to BitGo, Mike worked at Google on the founding team of Google Chrome, was the co-inventor and driving force behind SPDY (which has now become HTTP/2.0), and co-founded Lookout Software, an email search company acquired by Microsoft. He holds a C.S. degree from Cal Poly SanLuis Obispo.

Joshua Bixby
Joshua Bixby (Strangeloop Networks), @joshuabixby

As President of Strangeloop Networks, Joshua defines Strangeloop’s strategic marketing and product direction. Prior to founding Strangeloop, he co-founded and served as President and CEO of IronPoint Technology, helping lead the company to successful acquisition by The Active Network in 2006. Joshua also 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.

Benjamin Black
Benjamin Black (Boundary), @b6n

Mr. Black most recently cofounded and was CEO of Boundary. He a
recognized expert in large-scale technology infrastructure design,
implementation,and operation. Previously, he was an engineering
director in the ECN group at Microsoft Windows Live, where he helped
build one of the largest content delivery networks in the world. As
the manager of website engineering at Amazon, he lead the design and
implementation of a new, layer 3 network for Amazon’s production
network. As principal engineer for Amazon infrastructure, he
co-authored the first documents on what later became EC2. As senior
manager for information security, he owned and successfully delivered
Sarbanes-Oxley and PCI DSS compliance for Amazon infrastructure,
including the... Read More.

Chris Blizzard
Chris Blizzard (Mozilla Foundation)

Christopher Blizzard has been with the Mozilla project for the better part of the decade. He maintained the GTK+ front end in Mozilla for a number of years as a contributor but recently joined the Corporation as a full time Mobile and Open Source Evangelist.

Christopher Brown

Christopher Brown is VP of Engineering at Opscode and previously of
Microsoft, where he was a director of engineering for the Edge Computing
Network within Global Foundation Services. Prior to Microsoft,
Christopher was a founding member, architect, and lead developer for’s Elastic Compute Cloud (“EC2”). He holds several patents in
the areas of internet routing, VM/runtime hosting, content delivery and
cloud computing.

Wan-Teh Chang (Google)

Wan-Teh Chang is a software engineer at Google who works on NSS and Google Chrome.

Vik Chaudhary

Vik Chaudhary serves as vice president of product management and corporate development. He is responsible for leading Keynote’s product strategy, sales enablement, and executing on the company’s acquisitions and partnerships. Mr. Chaudhary has spent 19 years in chief executive, marketing, and engineering positions at blue-chip and start-up technology companies. At Keynote, he previously served as vice president of marketing and corporate development, extending the company into new markets via ten acquisitions. Before joining Keynote, he was CEO of on-demand analytics company Bizmetric, ran product management at database pioneer Gupta Technologies, and led core software engineering teams at Oracle. Mr. Chaudhary is a frequent speaker at industry events on software strategy and M&A, and has been featured in the New York Times and on the... Read More.

Sergey Chernyshev
Sergey Chernyshev (NY Web Performance Meetup), @sergeyche

Sergey Chernyshev is Director of Web Systems and Applications at truTV (division of Turner, A Time Warner Company) and responsible for web technology for their highly trafficked web sites ( and He has more then 15 years of web technology experience and active open source developer and web technology enthusiast.

Sergey is an organizer of first web performance meetup – New York Web Performance Meetup, local group of web-professionals that meets monthly to discuss performance-related topics.

Sergey’s web site

Tom Cook (Dropbox), @ywxwy

Tom is a Systems Engineer on the Technical Operations team at Facebook, where he is responsible for a variety of low-level services and systems within the production environment. During his time at Facebook, the systems footprint has expanded over 10×. Prior to joining the company, Tom worked for a number of smaller tech companies in Texas.

Tom Croucher

Tom Hughes-Croucher is an Evangelist and Senior Developer in Yahoo’s Open Strategy Group, focusing on Yahoo’s Web Services and Cloud Platform. Tom has contributed to a number of Web standards for the World Wide Web Consortium (W3C) and the British Standards Institute (BSI). Previously he helped build the online music stores for some of the UK’s largest brands including Tesco, Three Telecom and Channel 4.

Damon Edwards
Damon Edwards (DTO Solutions), @damonedwards

Damon Edwards is the co-founder and president of the DTO Solutions consulting group. DTO Solutions specializes in automated infrastructure and process improvement consulting for large-scale, mission critical IT operations, including Intuit, Dun & Bradsteet, E*Trade, LinkedIn, iControl, SilverSpring Networks, and AT&T. Damon is also a frequent contributor to the blog, focusing on automation and process issues faced by cloud, software-as-a-service, and e-commerce organizations.

Ismail Elshareef
Ismail Elshareef (Edmunds, Inc.), @codeish

Ismail has been a web engineer for over fifteen years working on architecting and developing web applications and solutions for government, entertainment, media and automotive industries. While working at Ticketmaster’s Cottonblend, Ismail was the Chief Architect and Engineer behind the Bunnyfarm CMS project that currently drives and manages sites like The Troubadour, Viejas Entertainment, The Pasadena Civic and As the Director of Front-End Engineering at, he worked with sharp and ambitious engineers on setting and executing a vision for frontend development based in quality, performance and pushing the proverbial technology envelop. Part of Ismail’s job is to evaluate 3rd-party widgets to determine their impact on site performance and functionality as well as leading the Open Platform initiative at

Max Firtman
Max Firtman (ITMaster Professional Training), @firt

Maximiliano Firtman is a developer focused in mobile and RIA development. He is a professor in mobile & web technologies, and founder of ITMaster Professional Training. He is the author of the upcoming book “Programming the Mobile Web” from O’Reilly Media.

Talking about mobile technologies, he is a Forum Nokia Champion since 2006, a recognition program from Nokia for top mobile developers worldwide and he has developed many public global mobile projects as and Widgen.

He was conferencist in many events in Spanish and English (last one in Inside Mobile 2009 in San Jose, CA) and he published dozens of articles in magazines (.CODE, Users) and online (Forum Nokia, MagazineXpert).

Full profile on

Simon Frost
Simon Frost (Veenoct Ltd), @spli

Simon Frost has been a techie working with the web for so long that people used to say he should get a proper job as this internet thing was never going to amount to anything. Now those same people are users who come to him with feature requests as he’s currently Technical Architect on BBC iPlayer, one of the most popular video sites in the UK.

Nick Gerner
Nick Gerner (SEOmoz), @gerner

Nick is one of SEOmoz’s in-house software architects. He received his graduate degree from Cornell University in Data Base Management Systems and Information Retrieval. He’s worked on the joint Cornell University/Internet Archive venture, the Web Lab, a database abstraction to the world wide web over time.

Nick works at SEOmoz on the Linkscape project, researching and developing internet marketing applications of page authority metrics such as PageRank and StaticRank, spam and trust quantifcation systems such as TrustRank, and large-scale web datasets.

The Linkscape API serves nearly 100 million requests per month over a web-scale dataset that grows by over 50TB every six weeks.

Eric Goldsmith

Eric Goldsmith, Operations Architect at AOL, has more than 20 years of experience providing technical leadership in the areas of product development, engineering and operations. At AOL he has led efforts to deliver the highest levels of performance and availability for top Web sites, including:;; and AOL Video; among others.

His areas of expertise include Performance Analysis, Capacity Planning, Network Engineering, and Software Development. Prior to AOL, Eric worked for companies such as UUNet, WorldCom and CompuServe, as well as telecom and Internet startups. He holds a BS in Computer Science from The Ohio State University.

Andreas Grabner

Andreas Grabner has been helping companies improve their application performance for 15+ years. He is a regular contributor within Web Performance and DevOps communities and a prolific speaker at user groups and conferences around the world. Reach him at @grabnerandi

Neil Gunther
Neil Gunther (Performance Dynamics Company), @DrQz

Neil J. Gunther, M.Sc., Ph.D., SMACM, SMIEEE, is an internationally known IT researcher and computer performance analyst. Prior to starting his own research and consulting company in 1994, Dr. Gunther held teaching, research and management positions at San Jose State University, JPL/NASA, Xerox PARC and Pyramid/Siemens Technology. His “Guerrilla Capacity Planning” training courses have been presented world wide at both corporate and academic institutions including:, Boeing, FedEx, Motorola, Nokia,, Stanford University and UCLA. He has written several books, as well as a multitude of papers, on performance analysis and capacity planning based on consulting work at large-scale web sites like and He is currently finalizing the 2nd edition of his Perl::PDQ book. Dr.... Read More.

Coda Hale
Coda Hale (Yammer, Inc.), @coda

Coda Hale is a software engineer and a cyclist. He lives in Berkeley, CA, and works for Yammer, an enterprise messaging service, as their messaging architect. Prior to Yammer, he was one of the first engineers at Wesabe, a personal finance web app.

Paul Hammond is a web developer, product manager and father. He has been building websites for as long as he can remember, and now leads a team of hard-working supernerds at Flickr. Before then he was part of the Yahoo Brickhouse team, and previously led technical project management at BBC Radio and Music interactive.

Paul regularly speaks on subjects from Javascript and APIs to the future of broadcasting, at events including South By Southwest, Web 2.0 expo and Web Directions North. He currently lives in San Francisco, and keeps an irregularly updated technical weblog at

Marc Hedlund
Marc Hedlund (Etsy)

Marc Hedlund is co-founder and CEO of Wesabe, a personal finance community helping consumers manage and get the most from their money. Before starting Wesabe, Marc was an entrepreneur-in-residence at O’Reilly Media. Prior to that, he was VP of Engineering at Sana Security, co-founder and CEO of Popular Power, a distributed computing startup, and founder and general manager of Lucas Online, the internet subsidiary of Lucasfilm, Ltd. During his early career, Marc was Director of Engineering at Organic Online, and was CTO at Webstorm, where he wrote one of the Internet’s first shopping cart applications in 1994. He is a graduate of Reed College.

Leif Hedstrom

Leif Hedstrom is a software engineer at Yahoo!, where among other things, he has designed and implemented several edge services actively used by many large sites, such as Y! News and Flickr. Lately he has pushed for Open Sourcing the HTTP proxy server used internally at Yahoo!, and since the fall of 2009, the Traffic Server project is now in the incubator stage with the Apache Software Foundation. Prior to Yahoo!, Leif has worked at several internet companies such as Netscape Communications and Infoseek Corporation.

Leif is an avid scuba diver, snowboarder, dog lover and family man. And of course, he’s a huge computer nerd.

Urs Hölzle
Urs Hölzle (Google)

Urs Hölzle oversees the design and operation of the servers, networks, and data centers that power Google’s services, as well as the development of the software infrastructure used by Google’s applications. Lately, he’s spending his time helping to build and define Google Cloud Platform, Google’s public cloud offering, which makes the infrastructure work his team pioneered for Google available to developers and enterprises around the world. Urs joined Google as its first vice president of engineering after having been an associate professor of computer science at the University of California, Santa Barbara. In a previous life, he contributed to the efficient implementation of virtual machines for programming languages such as Java. With a good search engine, you can find out much more about him.

Alex Honor (ControlTier open source automation project)

Alex Honor is the founder of the ControlTier open source automation project. Has been involved in the development and management of large scale online systems for over 15 years, including critical roles at E*TRADE, NASA Ames Research, Open Design, and DTO Solutions. He is a frequent speaker at regional user group meetings on issues of system scalability and deployment automation.

Justin Huff
Justin Huff (Google, Inc), @jjhuff

Small company veteran Justin graduated from the University of Washington with a degree in computer engineering and has played key
roles in startups ranging from imaging SONAR at BlueView Technologies, home automation at 1Control/Pluto, and non-relational databases at Applied Technical Systems. Since moving into the corner window desk at Picnik World HQ, he’s been busy with many tasks, most having to do with Linux, and finds that his adventurous resume has proved useful when building, scaling, and dumping water on Picnik’s ever-expanding infrastructure. When not at work, you’ll usually find him out on a
run, strapped to a scuba tank, attempting some new feat of home improvement, or being urged into a triathlon by fellow Picniker Mike. His plans for 2009 include... Read More.

Martin Hunt
Martin Hunt (Game Closure)

Martin Hunt has extensive experience with web architecture, comet, performance optimizations, and cross-browser development. In addition to industry experience at Meebo, he has degrees in CS and mathematics from Harvey Mudd College and has enjoyed dabbling in image processing research and iPhone development. He is a contributer to open source software, leading recent development of, a platform for writing cross-browser and server-side JavaScript with advanced package management and comet support.

Martin built the first several iterations of the Meebo Bar front end and has identified and proposed solutions to a number of technical issues plaguing third-party JavaScript content on the web, particularly with regards to performance. Many of these will be highlighted and explained in depth at the Velocity presentation.

John J. Barton is the manager of Interaction Science, an IBM Almaden
Research group specializing in fundamentals of human-computer
interaction (HCI) technologies, especially multi-device interaction.
Interaction Science studies users, invents new techniques and technology,
then validates progress by scientific tests with real users. Current
projects in my group include text input on handheld devices, integration
of information across devices via instant messaging, adapting web
pages for mobile devices, and extending web debugging to support more
dynamic applications and environments.

John has 21 years of experience in industrial research with over 60
publications in the diverse fields of ubiquitious and mobile
computing, compiler technology and programming languages, physics of
electron scattering, and chemistry... Read More.

Adam Jacob

A twelve year system operations veteran, Adam is the CTO of Opscode, whose mission is to bring “Infrastructure Automation to the Masses”. He is the primary author of Chef.

Changhao Jiang
Changhao Jiang (Facebook Inc.)

Changhao Jiang is a research scientist at Facebook Inc. His responsibilities at Facebook are mainly focused on improving user perceived latency and front end performance monitoring. He was responsible for several major performance optimization projects at Facebook such as Quickling which transparently ajaxifies the whole website and PageCache which caches users’ visited pages using JavaScript. Changhao is also one of the lead developers of the XHProf project, which was open-sourced by Facebook. In 2009, Changhao designed and implemented the BigPipe system to serve dynamic web pages using pipelining techniques, which helped making Facebook site twice as fast. Changhao holds bachelor and master degree in Computer Science from Tsinghua University, and Ph.D. from the University of Illinois at Urbana Champaign.

Robert Johnson
Robert Johnson (Facebook)

Robert Johnson is Director of Engineering at Facebook, where he leads the software development efforts to cost-effectively scale Facebook’s infrastructure and optimize performance for its many millions of users. During his time with the company, the number of users has expanded by more than fifty-fold and Facebook now handles billions of page views a day.

Robert was previously at ActiveVideo Networks where he led the distributed systems and set-top software development teams. He has worked in a wide variety of engineering roles from robotics to embedded systems to web software. He received a B.S. In Engineering and Applied Science from Caltech.

Yehuda Katz
Yehuda Katz (Tilde Inc), @wycats

Yehuda Katz is currently employed by Engine Yard, and works full time as a Core Team Member on the Rails and Merb projects. He is the co-author of jQuery in Action and the upcoming Merb in Action, and is a contributor to Ruby in Practice.

He spends most of his time hacking on Rails and Merb, but also on other Ruby community projects, like Rubinius and Datamapper. And when the solution doesn’t yet exist, he’ll try his hand at creating one – as such, he’s also created projects like Thor and DO.rb.

Michael Kleber (Google)

Michael is a mathematician who has spent the last ten years working on efficient algorithms in different contexts. Now he works for Google making the internet faster.

Adam Langley
Adam Langley (Google)

Adam Langley is a software engineer at Google, working on OpenSSL, NSS and Google Chrome.

Eric Lawrence
Eric Lawrence (Microsoft)

Eric Lawrence is a Program Manager on the Internet Explorer team, author of the IEInternals blog, and developer of the Fiddler Web Debugger.

James Leeson
James Leeson (Amazon Web Services)

James is VP and Distinguished Engineer at Amazon Web Services where he focuses on infrastructure efficiency, reliability, and scaling. Prior to AWS, James was architect on the Microsoft Data Center Futures team and, over the years, has held leadership roles on several high-scale services and products, including Exchange Hosted Services, Microsoft SQL Server, and IBM DB2. James loves all things server related and is interested in optimizing all components from data center power and cooling infrastructure, through server design, and to the distributed software systems they host. He maintains a high scale services blog at

Patrick Lightbody

Patrick runs product management for New Relic, the leader in software analytics. Prior to that, Patrick started two startups in the website monitoring and load testing space, which were acquired by Gomez and Neustar, respectively.

Patrick is an avid open source contributor, having founded OpenQA, created Selenium Remote Control, and co-created Struts 2.

Patrick has held management and software engineering positions with Jive Software, Spoke Software, and Cisco Systems.

Ben Livshits
Ben Livshits (Microsoft Research)

Ben Livshits is a researcher at Microsoft Research in Redmond, WA. He received a B.A. from Cornell University in 1999, and his M.S. and Ph.D. from Stanford University in 2002 and 2006, respectively. Dr. Livshits’ research interests include application of sophisticated static and dynamic analysis techniques to finding errors in programs. He is known for his work on software reliability and especially tools to improve software security, with a primary focus on approaches to finding buffer overruns in C programs and a variety of security vulnerabilities (cross-site scripting, SQL injections, etc.) in Web-based applications. Lately he has been focused on how Web 2.0 application reliability, performance, and security can be improved through a combination of static and runtime techniques.

Andy Martone (Google)

Andy Martone is a software engineer at Google. He works on the websearch infrastructure team, trying to make Google search even faster.

Andy holds a Master’s degree in Computer Science from George Mason University.

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.

Nagendra Modadugu is a software engineer at Google who has worked extensively on Google’s HTTPS serving infrastructure.

Tim Morrow
Tim Morrow (Betfair), @timmorrow

Tim Morrow is Head of Site Technology at Betfair, responsible for the delivery of Betfair’s next-generation web site platform, focusing on performance, availability and the capability to continuous deliver business value at a rapid pace.

Tim has over 11 years of experience leading teams to design and build websites and systems using Java and related technologies. Prior to joining Betfair, Tim worked as an Architect at Shopzilla delivering their consumer facing website platform. In addition, Tim has also worked at Qualcomm developing software to support the provisioning of mobile devices and delivery of applications to mobile devices in the Wireless Business Division. Tim also thrived in the entrepreneurial environment during years 2000-2004 of startup, . As a key contributor to the startup team, Tim... Read More.

Imad Mouline (Compuware)

Mouline is a veteran of software architecture, research and development and an expert in web application development, testing

and performance management. His breadth of expertise spans cloud computing, next-generation web browsers, load testing and software

as-a-service (SaaS), with a focus on best practices to ensure the delivery of great web experiences.

Aladdin Nassar
Aladdin Nassar (Microsoft -

Aladdin Nassar is the Client Performance Champion for Hotmail at Microsoft. He chairs the Performance Working Group at Microsoft. His prime focus is to deliver the best and most performant end-user experience around the world.

He received his Masters & Ph.D. from Stanford. He specializes in large-scale Client-Side Performance Tuning, Instrumentation & Monitoring. He prides himself on domain level expertise in many areas including Location-Based Services and Risk Management. Prior to joining Microsoft, he consulted for Senior Executives at Verizon, Chase Manhattan and leading Financial Institutions.

Mark Nottingham

Mark Nottingham is a Principal Technical Yahoo!, putting together Web-based infrastructure for sites like Yahoo! Finance, Sports, Tech, TV and Movies.

He has spent the last decade designing, debugging, serving and caching Web content, with past stints at Merrill Lynch, Akamai and BEA Systems, along with scars from writing specifications like the Atom Syndication Format, WS-Policy and the WS-I Basic Profile, and chairing both IETF and W3C Working Groups.

Right now, his focus is on using HTTP for what the rest of the industry calls Web Services.

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 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.

Stefan Parvu
Stefan Parvu (Oracle Finland), @sperformance

Stefan Parvu is a system administrator focused on performance analysis and capacity planning for customers in Finland. He is a member of the OpenSolaris community and the author of System Data Recorder and various other software packages and customer training classes.

Simon  Perkins
Simon Perkins (Simtec Limited)

Simon Perkins is the CEO and Founder of Simtec Limited

Aaron Peterson

Aaron Peterson is a seasoned systems and networking engineer and tech evangelist for Opscode, the makers of Chef. He has wielded
real-time command-line kung fu to tens of thousands of servers at once
and automated global production infrastructure at He is
excited about information design and visualization, scale, and analysis.

Bret Piatt
Bret Piatt (Rackspace Hosting), @bpiatt

Bret Piatt is the primary technical contact for partners of the Rackspace Cloud division. He is also actively involved in the cloud computing community promoting open standards and helping open source projects gain awareness. Prior to his current role, Bret spent 5 years in product management for both Rackspace and AT&T where he was responsible for launching offerings such as the Rackspace PCI Toolbox and the AT&T Premises-Based Cisco ASA Firewall Service. A self described “lifelong geek”, his professional technical experience comes from 5 years at SBC where he designed monitoring and management systems, optimized networks for enterprise customers, and performed lab testing on new products from potential suppliers and partners.

Sean Power
Sean Power (Watching Websites), @seanpower

Sean Power is a consultant, analyst, author and speaker. He is the co-founder of Watching Websites, a boutique consulting firm focusing on early stage startups, products and non-profits as they emerge and mature in their niches. He has built professional services organizations and traveled across North America delivering engagements to Fortune 1000 companies. He helps executives understand their competitive landscape and the future of their industry. He has done technical edition for Troubleshooting Linux Firewall for Addison-Wesley and co-authored Complete Web Monitoring for O’Reilly media with Alistair Croll.

Sean has had first-hand experience creating and implemented social computing strategies with larger companies like MTV and smaller startups like Akoha. He is active in the social computing space, using Twitter and blogs as his communication... Read More.

Sam Quigley
Sam Quigley (Square, Inc), @emerose

Sam Quigley is the founder and principal consultant at Emerose Advisory Services. Before starting Emerose, Sam was Vice President of Security and Operations at Wesabe, the first online personal finance startup. Over the past nine years, Sam has held a variety of positions in web and network security, including serving (in 2001) as a founding member of the first commercial security and privacy services group at EDS (now HP Enterprise Services); communications manager and open-source developer at Astaro, a leading security appliance vendor; and as the sole security person at Xign (now JP Morgan Treasury Services), a pioneering financial software-as-a-service application.
Sam can be reached at

Lenny Rachitsky
Lenny Rachitsky (Webmetrics/Neustar)

As head of R&D at Webmetrics, Lenny Rachitsky has played a key role in the evolution of the external web monitoring space over the past decade. He is currently focused on extending the definition of monitoring beyond the IT department, and into business, social, and mobile.

Tony Ralph
Tony Ralph (Yahoo!)

An 8 year Yahoo! veteran, I have worked directly with display ad delivery
for the last 4. One aspect of this work is the monitoring and analysis of
3rd Party ad quality and performance. This work has helped lead to the
formation of an IAB Working Group with other major publishers on ad

Susannah Raub
Susannah Raub (Google)

Susannah is the tech lead for the Google Maps API v3 team in Sydney, focused on latency and mobile. Prior to moving to Australia, she worked on Local Search in New York and Google Desktop in Mountain View. She earned her bachelors in Mathematics-Computer Science at Brown University.

John Rauser
John Rauser (Snapchat), @jrauser

John has been extracting value from large datasets for 15 years at companies ranging from hedge funds and small data-driven startups to retailing giant He has deep experience in the areas of personalization, business intelligence, website performance and real-time fault analysis. An empiricist at heart, John’s optimism and can-do attitude make “Just do the experiment!” his favorite call to arms.

George Reese
George Reese (enStratus Networks LLC)

George Reese is the founder of two Minneapolis-based companies, enStratus Networks LLC (maker of high-end cloud infrastructure management tools) and Valtira LLC (maker of the Valtira Online Marketing Platform). Over the past 15 years, George has authored a number of technology books, including MySQL Pocket Reference, Database Programming with JDBC and Java, Java Database Best Practices, and Web Architecture and Programming in the Cloud.

Jesse Robbins

Jesse Robbins is Founder & CEO of Orion Labs , the award-winning instant communication platform for people, teams, IoT devices, wearables, bots, and intelligent agents.

Robbins serves on the board of Heavybit, which is a program helps venture-backed startups loved by developers become successful businesses.

Prior to Orion, Robbins was founding CEO of Chef", considered by many to be the leader in infrastructure automations. Robbins also founded the O’Reilly Velocity Conference where he helped start the DevOps movement. Prior to Chef he served as Amazon’s “Master of Disaster” where he was responsible for website availability for every property bearing the Amazon brand.

Robbins is a Volunteer Firefighter and Emergency Manager, and led a task force deployed in Operation... Read More.

Theo Schlossnagle

Theo Schlossnagle is a Founder and Principal at OmniTI where he designs and implements scalable solutions for highly trafficked sites and other clients in need of sound, scalable architectural engineering. He is the architect of the highly scalable Ecelerity mail transport agent. 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.

Andrew Clay Shafer

Some people are born to web operations and some people have it thrust upon them. Andrew Co-founded Reductive Labs and worked to help organizations build better systems with Puppet. He brings with him a background in high performance computing, computational science, embedded Linux development, web frameworks and Agile methods.

Andrew really likes to help teams navigate the technology Renaissance triple point between people, process and tools.

Andrew is interested in conversation about almost anything. His two sons and wife think he is pretty cool. He is definitely a villager.

Lindsey Simon

Lindsey Simon is a Front-End Developer for Google’s User Experience team. Dude hails from Austin, TX where he worked at startups, taught computing at the Griffin School, and was the webmaster for years at the Austin Chronicle. He currently lives in San Francisco and runs a foodie website –

Jason Sobel
Jason Sobel (Facebook)

Jason Sobel is an engineering manager on the Infrastructure team at Facebook where he focuses on keeping the site fast and scalable. He helped develop Facebook’s multiple datacenter strategy and also worked on Haystack, Facebook’s custom built photo storage infrastructure. Before joining Facebook, Jason was a member of the WAFL team at NetApp where he worked on filesystem performance. He holds bachelor’s and master’s degrees in computer science from Brown University.

Steve Souders
Steve Souders (SpeedCurve), @souders

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.

Ward Spangenberg
Ward Spangenberg (Zynga Game Network, Inc.)

Mr. Spangenberg is a seasoned security technology executive with a
comprehensive background in both business operations and technology. His
broad background with security solutions has enabled him to determine and
implement best practices for managing confidentiality, security, and privacy
issues from both the business perspective (such as process development,
informed consent, and data statistics collection) as well as executing and
supporting the technical perspective (host and perimeter security, access
control and monitoring). In addition Mr. Spangenberg has extensive
experience in designing and fielding security solutions for Fortune 1000
clients utilizing both enterprise as well as cloud architecture and
deployment models. Mr. Spangenberg is also a respected speaker/researcher on
PCI DSS, Cloud Computing,... Read More.

Stoyan Stefanov

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.

Shanti Subramanyam
Shanti Subramanyam (Orzota, Inc.), @shantiS

Shanti Subramanyam is an independent performance consultant currently working for Box. She was performance architect in the Exceptional Performance team at Yahoo! Inc. Prior to joining Yahoo!, she led the web2.0 performance efforts at Sun Microsystems. She is a workload and benchmark development expert who has helped craft many standard (TPC, SPEC) and in-house workloads for web, middle-iter and database servers. She blogs on performance topics at http;// Follow her on twitter at shantiS.

Software engineer at Google. Have worked on web search, Google Docs, and Google Toolbar.

Jay Sullivan
Jay Sullivan (Mozilla)

Jay Sullivan is Vice President of Products at Mozilla where he drives product strategy and leads the product management team. Jay joined Mozilla Labs in 2007 to help define and launch the Weave project. Jay became Vice President of Mobile in 2008 and led the design, development and launch of the Firefox mobile Web browser. Previously, Jay was co-founder and VP of Products at PocketThis, a mobile software applications and tools provider. He has also held management and software engineering positions at Oracle, Information Resources and Firefly Network. Jay has been granted three U.S. patents for his work on mobile software and personalization. Jay is a graduate of Yale University.

Nicole Sullivan
Nicole Sullivan (Stubbornella), @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

Matt Sweeney (Yahoo!)

Yahoo! frontend architect and lead YUI developer.

Monty Taylor

Monty Taylor is an Engineer for Sun. He’s currently hacking on Drizzle full time, and was the crazy guy who wrote the NDB/Bindings in the first place (why write for one language when you can have six?) Before that, he was a Senior Consultant for MySQL which took him all over the word focusing on Cluster and High Availability.

He’s a Python programmer by first choice(and yet hears the obvious joke surprisingly infrequently) but seems to be spending all of his time recently in C, C++ and Java.

Lee Thompson
Lee Thompson (Lee Thompson)

Lee is a consultant specializing in Distributed Systems Architecture, Implementation and Operations. Lee was formally the Chief Technologist of E*TRADE FINANCIAL and served in roles in development, architecture, and operations at the firm.

Joshua Timberman
Joshua Timberman (Opscode, Inc.), @jtimberman

Joshua Timberman has over 10 years experience in Linux and Unix system administration. His background includes deploying highly available enterprise application environments and providing internal infrastructure services and team-based training. Joshua currently works for Opscode as a technical program manager, where he is responsible for Opscode’s open source Chef cookbooks and Chef Fundamentals training course materials.

Thorsten von Eicken
Thorsten von Eicken (RightScale, Inc)

Thorsten von Eicken is the chief technology officer (CTO) and a founder of RightScale and is responsible for the overall technology direction of the RightScale Cloud Management Platform. Previously, von Eicken was founder and chief architect at Expertcity (acquired by Citrix Online), where he directed the architecture of the company’s online services, including the popular GoToMeeting service. He also managed the Expertcity/Citrix data center operations, where he acquired deep knowledge in deploying and running secure, scalable online services. Mr. von Eicken was a professor of Computer Science at Cornell University and he received his Ph.D. from the University of California, Berkeley.

Jason Weber
Jason Weber (Microsoft)
Jason Weber is a performance lead on the Microsoft Internet Explorer team. Jason is working across the browser subsystems to ensure Internet Explorer is ready for the performance demands of modern sites and apps, including hardware accelerated graphics and compiled javascript. Jason has been with Microsoft for seventeen years. Before joining the Internet Explorer team Jason worked on Microsoft Office, Visual Studio, and was a member of Chairman Bill Gates technical staff.
Marcus Westin

Marcus Westin has been working with Meebo since 2008. He’s all about the web and enjoys his javascript in the raw, sans library. Before Marcus came to Meebo he spent his spare time learning the ins and outs of frontend technology while studying for a BS in computer science at the University of Chicago. Catch him on a good day and he won’t stop talking about the open web. 

Marcus has previously spoken at OSCAMP on decoupling data and UI layers and given a lightning talk at Ajax Experience on unobtrusive javascript Inclusion using iframes. He also frequents the various bay area js meetups as a speaker, audience member, and organizer.

Tim Wilfong
Tim Wilfong (thePlatform)

Tim is a highly seasoned IT professional with extensive experience in network operations and recent experience with large-scale, highly-available SaaS offerings. He started his career as a software engineer working on embedded systems for defense contractors after graduating with a Computer Science degree from the University of Washington, and moved on from there to found an ISP, which began his transition into network engineering and operations- oriented disciplines as well as his love of working with startups. After working in technical and leadership roles with dot-coms Bazillion and Aubeta, Tim ran a consulting business before joining Medio Systems, where he played a key role in the design and operations of the network infrastructure used to deliver Medio’s mobile search product. Tim joined Picnik’s Operations... Read More.

John Willis
John Willis (Enstratius), @botchagalupe

John Willis has worked in the IT management industry for 30 years. John was the founder of Gulf Breeze Software, an award winning IBM business partner, focusing on Tivoli consulting. John is a leading infrastructure management architect in the enterprise systems management space. He has delivered over 10,000 hours of training on IBM Tivoli products around the world and is considered an expert in enterprise systems management and monitoring. John has authored over six IBM Redbooks for IBM on enterprise systems management. John was the founder and chief architect at Chain Bridge Systems, a lead software developer of IBM Enterprise “Z” TMON-MVS/CICS by Landmark Systems, and a developer MICS by Morino Associates. He also developed Read More.

Jaime Yap (Google)

Jaime Yap is a Software Engineer on the Google Speed Tracer team. He is a contributor to the Google Web Toolkit project and loves pushing the boundaries for what can be accomplished in the browser.

Jaime earned his Masters degree in Computer Science from the Georgia Institute of Technology in 2007, and has been with Google since 2008. He currently resides in Atlanta and enjoys long walks on the beach

Nicholas Zakas

Nicholas C. Zakas is a principal front end engineer at Yahoo!, where
he works on the Yahoo! homepage, is a contributor to the YUI library,
and teaches classes on JavaScript to employees and Yahoo! Juku
participants. Nicholas also is the author of Professional JavaScript, co-author of High Performance JavaScript,
co-author of Professional Ajax, and a contributor to the book
Even Faster Web Sites in addition to over a dozen online articles.
Prior to the homepage, Nicholas worked on My Yahoo!, helping to bring
the world’s most popular personalized homepage into the Web 2.0 era.

Ben Zorn
Ben Zorn (Microsoft Research)

Bio: Ben Zorn is a Principal Researcher at Microsoft Research. After receiving a PhD in Computer Science from UC Berkeley in 1989, he served eight years on the Computer Science faculty at the University of Colorado in Boulder, receiving tenure and being promoted to Associate Professor in 1996. He left the University of Colorado in 1998 to join Microsoft Research, where he currently works. Ben’s research interests include programming language design and implementation and performance measurement and analysis. He has served as an Associate Editor of the ACM journals Transactions on Programming Languages and Systems and Transactions on Architecture and Code Optimization and he currently serves as a Member-at-Large of the SIGPLAN Executive Committee. For more information, visit his web page at

... Read More.

For Velocity China sponsorship information for companies outside China, contact Yvonne Romaine at

  • Google
  • Strangeloop
  • Yahoo! Inc.
  • Dyn Inc.
  • Facebook
  • Schooner Information Technology
  • Tilera
  • AlertSite
  • AppDynamics
  • Aptimize
  • CDNetworks
  • Circonus
  • Cloudscaling
  • Clustrix
  • Coradiant
  • Dell
  • DTO Solutions
  • MaxiScale
  • Neustar
  • Nokia
  • NorthScale, Inc.
  • Shopzilla
  • Splunk
  • Virident
  • Zoompf
  • Neustar

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