Jeff Barr is focused on furthering awareness of web services and inspiring developers to create innovative applications using Amazon Web Services. Barr meets regularly with developers throughout the U.S. and abroad to introduce Amazon Web Services' expanding platform and showcase businesses that currently utilize the program's services.

Barr joined Amazon in August 2002 as a Senior Software Developer on the Associates team and has a longstanding interest in Web services and programmatic information interchange. He has held development and management positions at Microsoft, KnowNow, eByz, Akopia, was a co-founder of Visix Software, and launched the news feed service, Syndic8.com.

• Abstract: Amazon Web Services
• Time/Location: 9:00-10:00, Room 106/107

Chris is the CTO of Vuzit, a startup company building an online viewer and web services platform for distributing documents based on Ruby, Rails, and Amazon Web Services. At Traffic.com, Chris co-developed the first real-time 3D traffic reporting system used by broadcast television networks such as FOX, ABC, CBS, and NBC at over 70 stations in the top 25 metropolitan markets. Chris has also held development positions at Drakontas and GlaxoSmithKline. Chris has published 5 patents and has written over 15 peer-reviewed publications. He holds B.S. and M.S. degrees in Computer Science from Drexel University.

• Abstract: Panel Discussion: Real World Cloud Computing Experiences
• Time/Location: 12:00-1:00, Room 106/107

Prasad Chakka is a Data Engineer at Facebook and a developer of Hive. He has been working with large scale data and its applications for 10 years at various companies.

• Abstract: Hive and Hadoop
• Time/Location: 1:15-2:15, Room 105

Britt is also a founding member of the HiveDB project. In 2007, he helped to build and deploy Cafepress's HiveDB cluster, which has since been the most reliable database at Cafepress and smoothly served a catalog of over 150M products.

Before joining Cafepress, Britt did research in genetic algorithms and artificial life simulations. He likes small simple systems that can be combined to do powerful things.

• Abstract: Horizontal Scaling with HiveDB
• Time/Location: 2:30-3:30, Room 105

Toby speaks to computers professionally. He has spoken to computers using many dialects (Ruby, Python, Erlang, C) and megaphones (Hadoop, XMPP, etc.) for 10 years now. Toby has worked for many companies requiring translation, most recently TurnTide, Commerce360 and Invite Media. He is now speaking to new computers at CubeTree. Toby enjoys computer programming, reading about computer programming and thinking about computer programming. Also, he enjoys coffee. He somehow managed to come across a wife and daughter, neither of whom program computers or drink coffee.

• Abstract: Enter the Elephant: Massively Parallel Computing With Hadoop
• Time/Location: 10:15-11:15, Room 105

• Abstract: Panel Discussion: Real World Computing Experiences
• Time/Location: 12:00-1:00, Room 106/107

Joe Gregorio is a Developer Advocate at Google, a member of the AtomPub Working Group and editor of the Atom Publishing Protocol. He has a deep interest in web technologies, writing "The RESTFul Web" column for the online O'Reilly publication XML.com, writing the first desktop aggregator written in C#, and publishing various Python modules to help in putting together RESTful web services.

• Abstract: Building Scalable Web Applications with Google App Engine
• Time/Location: 2:30-3:30, Room 106/107

Andrew Kortina builds social internet software. He is the lead engineer at tinydb.org, an open data storage service running on Google App Engine, and he has also recently worked with Betaworks, Carrot Creative, Colbert Report, iminlikewithyou.com, MLB.com, USA Networks, and Glow Interactive. He has degrees in Philosophy and English from the University of Pennsylvania.

• Abstract: Panel Discussion: Real World Computing Experiences
• Time/Location: 12:00-1:00, Room 106/107

Justin McCarthy manages a team of developers focused on improving the way people sell through CafePress.com. He is a founding member of the HiveDB project, and was the primary advocate for committing full-time CafePress.com engineers to the open source HiveDB effort.

• Abstract: Horizontal Scaling with HiveDB
• Time/Location: 2:30-3:30, Room 105

MenTaLguY is a software consultant, writer, graphic artist, and speaker with 12 years of experience in the Open Source world. He co-founded the Inkscape and lib2geom projects, is the author of fastthread, and has contributed code to Ruby 1.8, JRuby, and Rubinius (he is an active committer to the latter two). He became especially interested in concurrency after being called upon to rescue a Struts application which pervasively failed to employ transactions or inter-thread synchronization. Since then, he has made it a personal mission to educate software developers about concurrency, and much of his paid and volunteer work now consists of a combination of adding multicore support to existing software and what he calls "concurrency remediation".

• Abstract: Going Threadless
• Time/Location: 3:45-4:45, Room 105

Jeff Polakow is an academic programming language researcher who has worked in several different countries on several theoretical aspects of programming language design and analysis. He is currently trying to put theory into practice while designing and implementing the software for a small trading group at Deutsche Bank.

• Abstract: Haskell in the Corporate Environment
• Time/Location: 9:00-10:00, Room 105

Chris Richardson is a developer and architect with over 20 years of experience. He's the author of "POJOs in Action", which describes how to build enterprise Java applications with POJOs and lightweight frameworks. Chris runs a consulting and training company that specializes in helping companies build better software faster. He has been a technical leader at Insignia, BEA, and elsewhere and is a Java champion. Chris has a computer science degree from the University of Cambridge in England and lives in Oakland, CA.

• Abstract: Developing and Deploying Java applications on the Amazon Elastic Compute Cloud
• Time/Location: 3:45-4:45, Room 106/107

With over 15 years of industry experience, Ken Rimple has played a key role architecting and developing a wide variety of solutions in various settings, including finance, business-to-business purchasing, telecommunications provisioning, and more. His technology expertise has focused in recent years on Java-based frameworks such as Spring, J2EE and Hibernate, and he has worked with workflow tools like BEA Weblogic Integration and Metastorm. He possesses a strong background in relational database development and design, and has architected databases and solutions using Oracle, Sybase, Microsoft SQL Server, PostgreSQL and MySQL. Ken is also an accomplished trainer and mentor, and has taught many hundreds of people from various backgrounds to become self-sufficient in techniques such as database design, application development and system administration.

• Abstract: Panel Discussion: Real World Computing Experiences
• Time/Location: 12:00-1:00, Room 106/107

Jonathan Rochelle is a Group Product Manager at Google's New York City office. He is primarily responsible for spreadsheets, forms and other aspects of the Google Docs and Google Apps product set. Prior to joining Google, Jonathan co-founded two companies - ITK Solutions, a Wall Street-based consulting firm, and 2Web Technologies, a Software product company responsible for the development of the XL2Web product, which was acquired by Google as the technology behind Google spreadsheets. Jonathan also has 16 years of prior experience as a software engineer and Applications Development manager on Wall Street and received his BS degree in Computer Science from the State University of New York at Albany.

• Abstract: Google Spreadsheets as a Platform
• Time/Location: 10:15-11:15, Room 106/107

Ezra is known as a contributor in the Rails community, especially regarding deployment. Ezra took to Rails in 2004 and joined Engine Yard in mid-2006. Ezra published a complete Rails deployment book through The Pragmatic Programmers in early 2007.

Ezra Zygmuntowicz and Engine Yard recently secured $15 million in funding to help the company cement its position as a leading Ruby and Rails in the cloud provider.

• Abstract: Be the Cloud
• Time/Location: 1:15-2:15, Room 106/107