Schedule: Speakers

James Adam
James Adam (Free Range)

James has been developing using Ruby since 2001. He is one of the primary instigators of the London Ruby User Group, and has presented to Ruby and Rails developers in Vancouver, London, Santa Clara and Portland.

Most recently, he organised a new kind of conference – Ruby Manor – demonstrating the potential and passion of the UK Ruby community.

He’s been an active member of the Rails community since its inception, and is the developer behind the Engines plugin. He’s also author of the Rails Plugins book.

He pretends not to have a blog at interblah.net.

Matt Aimonetti
Matt Aimonetti (m|a agile consulting), @merbist

Matt Aimonetti (mattetti) runs m|a agile, a consulting shop offering training, auditing and development for Ruby projects. Matt contributes to Rails and was part of the Merb Core Team, where he lead the evangelism initiative. In his spare time he works as a technical book reviewer, blogs and works on open source books.

Pat Allan
Pat Allan (Freelancing Gods)

Pat is a freelancing web developer usually located in Melbourne, Australia. When not caught up in code, he can be found helping organise Rails Camps. His thoughts are blogged semi-regularly at freelancing-gods.com, and he’s been known to make a mean pancake.

Marty Andrews (Cogent Consulting Pty Ltd)

Marty is an agile coach & Rails developer from Melbourne Australia. He’s a director at Cogent Consulting Pty. Ltd. – a Melbourne based boutique software development consultancy with a particular bias towards agile development processes and Ruby based technologies.

Marty has been spruiking the benefits of code quality tools in the Java and Ruby development communities for years. He’s the author of both Complexian and Roodi, and has contributed to several other code quality tools in his career.

Born in Denmark, Morten has decade of experience in software consulting. After a few years in sunny California, he traded in his code editor for the (sometimes daunting) task of managing the team of coding ninjas at Bitscribe where he is a principal. He focuses on making both developers and enterprises reap the full benefits of agile development, and recently joined forces with Heroku to help rock the world of Rails development and deployment.

Kevin Barnes
Kevin Barnes (OG Consulting)

Kevin R. Barnes
OG Consulting, Inc.

Kevin is a founder and software developer for the boutique software consultancy OG Consulting. He and his partners specialize in Ruby and Ruby on Rails systems with an ever-present focus on the tenets of Domain Driven Design. Over Kevin’s 10 years in the software field he has worked with companies large and small, from the famed Fortune 50 to the nouveau fashionable Fortune 5 million.

In the summer of 2004, he happened upon the enlightened Dave Thomas at a No Fluff, Just Stuff conference who bellowed a blasphemous recommendation, “Try a new language: Like Ruby.” Kevin fell fast for the sleek and sexy language. And soon after chose Ruby on Rails as his web mistress over the Java... Read More.

Nathaniel Bibler
Nathaniel Bibler (Envy Labs), @nbibler

Nathaniel Bibler is a private software consultant based in the Central Florida area. He has been designing web based software for the past 13 years and has been building and supporting Rails-based systems and applications almost exclusively for the past 3 years. In that time, he has created or contributed to several Rails plugins including attachment_fu and open_id_authentication as well as provided accepted patches into the Rails core. He is a long-time member and presenter in the Orlando Ruby User Group.

David A. Black
David A. Black (Ruby Central, Inc.)

David A. Black is a long-time Ruby and Rails programmer, author, and trainer. Active in the Ruby world since 2000, David is the author of Ruby for Rails: Ruby techniques for Rails developers, from Manning Publications. He has co-organized numerous Ruby/Rails conferences and spoken at conferences and Ruby/Rails users groups in the United States, Canada, and England. David is the chief author of Ruby’s standard scanf library, and the author and maintainer of the official Ruby Change Request site.

Michael Bleigh

Michael Bleigh is the Creative Director and Open Source Liason for Intridea as well as the project manager for Present.ly, the business micro-sharing platform. Michael’s experience goes through every part of the web application lifecycle from conception and planning to design and back-end development. He has built a number of open-source projects used widely throughout the Ruby community and has also presented at several conferences including RailsConf Europe 2008 and the Great Lakes Ruby Bash.

David Bock
David Bock (CodeSherpas), @bokmann

David Bock is a founder and principal at CodeSherpas, a software engineering consultancy in the Northern Virginia area. Prior to falling in love with Ruby, Mr. Bock spent many years writing custom workflow solutions in Java for the U.S. State Department. His work in this space protects the borders of many countries from hazardous imports and exports, and was instrumental in Poland meeting some reporting obligations for entry into NATO.

Greg Borenstein
Greg Borenstein (Grabb.it (http://grabb.it))

Greg Borenstein works at StepChange Group, a social media and social application development firm in Portland, Oregon. He is the author of a number of RubyGems, including a Ruby wrapping of the Amazon Thumbnail API (thumbnail.rubyforge.org) and RAD (rad.rubyforge.org), a framework for programming the Arduino open source physical computing platform in Ruby. In his spare time, Greg plays indie rock and organizes PDX Pop Now!, a free all-ages Portland music festival and non-profit organization. Ruby was the first programming language he ever learned.

Ryan Brown
Ryan Brown (Google, Inc.)

Ryan is a core developer on the Google App Engine team, and is the
main contributor to the appengine-apis gem at code.google.com. He
has a passion for making development easier, so he instantly fell in
love when he discovered Ruby and Rails.

Michael Bryzek
Michael Bryzek (Gilt Groupe)

Michael Bryzek is the Chief Technology Officer for Gilt Groupe. He
brings extensive experience in developing user focused internet
software and a deep passion for leveraging technology to streamline
logistics. Prior to Gilt Groupe, Michael founded Volunteer Solutions,
an internet application service provider for the philanthropic sector
acquired by United Way of America in 2001. Michael then served as the
Chief Technology Officer for United eWay, United Way of America’s
technology subsidiary, where he created software that today supports
the activities of millions of volunteers and over 600M in donations annually.

Michael earned his Masters degree in Computer Science at the Massachusetts Institute of Technology.

Ninh Bui
Ninh Bui (Phusion)

Ninh Bui is the co-founder and CEO of Phusion, a
company that specializes in offering top of the line IT products and
services to high profile clients.

Prior to founding Phusion, he has had the pleasure of working with
companies such as PricewaterhouseCoopers and Unilever as an IT
consultant and/or software engineer. Even though he is a computer
science student by the time of this writing, it was during this period
in time that he came to truly understand the importance of putting
computer science into practice. Since all the people at Phusion share
this thought, Phusion was lovingly dubbed the “The Computer Science
Company”.

On a technical note, Ninh is well versed in... Read More.

Scott Chacon
Scott Chacon (GitHub)

Scott is living and working in the Bay Area of California and has been doing web application development for over 10 years. He is currently employed at Logical Awesome, working on GitHub full time.

David Chelimsky
David Chelimsky (DRW Trading), @dchelimsky

David Chelimsky is the lead developer of the RSpec project, author of The RSpec Book, and also the lead developer at Articulated Man, Inc.

Lewis  Cirne
Lewis Cirne (New Relic, Inc.)

Lew Cirne is founder and CEO of New Relic, Inc., which focuses on Rails Performance Management. He has a passion for Rails and for helping Rails teams build extremely fast, reliable and available web applications. Lew has spent the past 10 years helping companies dispel their application performance and scalability myths.

BJ Clark (Goldstar.com), @robotdeathsquad

BJ has been developing websites as a freelancer and for numerous startups since 1997. He started using rails in Feb ’05 and fell in love with the framework the first time he saw hit. His skills are a unique blend of pragmatic agile development and user experience design. He currently lives in Portland, OR and works for Goldstar.com

Marc-André Cournoyer

Marc is a father, snowboarder and coder from Montreal, Quebec.

He coded tinyrb, Thin, RefactorMyCode.com and other stuff, mostly in Ruby. He’s also one of the founding employees at Standout Jobs.

Jon Crosby
Jon Crosby (Engine Yard), @jcrosby

Jon Crosby is a San Francisco Bay Area developer
specializing in Ruby, JavaScript, Objective-C, and Open Web
technologies. Jon is the author of CloudKit, and a committer on several open source projects including rack-contrib and the OAuth ruby gem. He is an active member of the Open Web community and is currently employed by Engine Yard.

David Czarnecki
David Czarnecki (Agora Games), @CzarneckiD

David Czarnecki is a software engineer at Agora Games, a company that specializes in building online gaming communities, in-game and on the web. He is the author of 2 books for O’Reilly and had previously developed exclusively in Java for nearly 15 years. He has been developing in Ruby and Rails since joining Agora Games in 2008. David loves video games, especially the Guitar Hero series and Left 4 Dead.

Jon Dahl
Jon Dahl (Phronos)

Jonathan Dahl is a developer and entrepreneur who co-founded Slantwise Design in 2003. He has built Ruby on Rails applications since 2005, and has tried more than once to become a Lisp hacker, without success.

Lately, he has focused on distributed video transcoding (Zencoder), and Tumblon, a web-based service for parents to track and share their children’s growth.

Jeff Dean (Pivotal Labs)

Jeff Dean is a software engineer with Pivotal Labs.

Matthew Deiters

Matthew Deiters has extensive software engineering and application delivery experience. He has worked for various industry leaders to build complex enterprise systems including those he created as a consultant with ThoughtWorks. He now enjoys enabling companies and development teams adopt agile development practices and leverage lightweight platforms.

Robert Dempsey
Robert Dempsey (Atlantic Dominion Solutions), @rdempsey

An agile development expert and Certified ScrumMaster with more than 10 years of experience in technology, Robert Dempsey is a highly sought speaker, trainer, and consultant in web application development – specifically with Ruby on Rails – and the Scrum project management framework. Robert founded Atlantic Dominion Solutions in 2000 as a full-service development, design, and marketing firm dedicated to giving clients a robust web presence and helping them drive traffic to it. Today, ADS builds web-based and internal applications for clients all over the world.

Edd Dumbill
Edd Dumbill (Silicon Valley Data Science), @edd

Edd Dumbill is co-chair of the O’Reilly Open Source Convention, and leads the design and implementation of conference software at O’Reilly.

Blythe Dunham
Blythe Dunham (Spongecell)

Blythe Dunham is snowgiraffe, a Seattle based RoR consultant as well as co-founder and Architect at Spongecell. When she started working professionally with rails 3.5 years ago, some of her friends thought that “Ruby on Rails” was a new snowboarding trick.
Specializing in back-end server and database development, Blythe has spent over a decade mediating disputes between ORM code and databases in a couple people languages and a bunch of computer languages. Very recently, she became a certified database whisper and spoke at this year’s MySQL conf. Many of these whispers and scalability optimizations have been open sourced as plugins and gems on github. Blythe is excited to share with you everything you want to know about SMS on Rails, and... Read More.

Alexander Dymo
Alexander Dymo (Pluron, Inc.)

Alexander is a Director of Engineering in Pluron Inc., the startup
from Silicon Valley working on Acunote – the enterprise project
management and Scrum software
built with Rails. As a software
engineer, team leader and project manager, Alexander has three years
of experience of real world Rails application development, deployment
and performance optimization.

Alexander currently lives and works in Ukraine. He holds a PhD in
Project Management and is a part-time associate professor at National
University of Shipbuilding.

Alexander is actively involved in the Free Software movement. He is a
maintainer of the KDevelop IDE project. He has been a KDE developer
since 2002, has contributed code to KOffice,... Read More.

Thomas Enebo
Thomas Enebo (Engine Yard, Inc.)

Thomas is a core developer of the JRuby project and he is also an employee of Sun Microsystems. Tom has been using Java for over a decade and Ruby over half a decade. At Sun, he is working to make JRuby a piece of software that will capture the hearts and minds of Ruby and Java developers everywhere. Tom is also working to make Ruby a first-class citizen on the JVM. Tom, along with Charles Nutter, will be writing a book on JRuby this year.

Obie Fernandez
Obie Fernandez (InfoQ)

Author of The Rails Way, the definitive reference guide for Ruby on Rails, Series Editor of the Addison-Wesley Professional Ruby Series and well-known member of the international Ruby community.

Timothy Ferriss
Timothy Ferriss (The 4-hour Workweek)

Timothy Ferriss (www.fourhourblog.com), nominated as one of Fast Company’s “Most Innovative Business People of 2007” and Forbes Magazine’s “Names You Need to Know in 2011,” is an angel investor (StumbleUpon, Facebook, Digg, Twitter, etc.) and author of the new #1 New York Times bestseller, The 4-Hour Body. He is also author of the #1 New York Times, Wall Street Journal, and BusinessWeek bestseller, The 4-Hour Workweek, which has been sold into 35 languages.

Newsweek has called Tim “the world’s best guinea pig,” which he takes a compliment.

He is also an active education reformer and has architected experimental social media campaigns such as LitLiberation to out-fundraise traditional media figures like Stephen Colbert 3-to-1 at zero cost, building schools overseas and financing... Read More.

Joe Fiorini

Joe Fiorini is a software engineer/evangelist. He is currently a member of the product development team at Within3, a technology startup building a community platform for the healthcare industry. He specializes in software development with Ruby on Rails utilizing agile methodologies to deliver a working product quickly.

This past year Joe was a member of the Rails Rumble team that developed MeetInBetween.us, a web application that suggests places users can meet in between their respective locations. Out of 250 applicants around the world, this site took first place.

Neal Ford
Neal Ford (ThoughtWorks), @neal4d

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

Davis W. Frank
Davis W. Frank (Pivotal Labs), @dwfrank

Davis has coded, managed, and wrangled at Intel, Broderbund, Handspring/Palm, a couple of forgettable startups and is now an Agile Engineer at Pivotal Labs in San Francisco.

He misses Grunge, loves great barbecue, and expects live fish to stay in water at all times.

Fernand Galiana
Fernand Galiana (LiquidRail LLC), @kitesurfer

Fernand Galiana is the owner of a software consulting company based in Denver Colorado. Fernand has been working with rails for the last four years. He is the author of ZiYa and the MOle rails plugins. He is also the founder and host of the Denver Rails Users Group ‘DeRailed’.

James Golick
James Golick (Protose Inc.), @jamesgolick

James Golick’s software experience ranges from artificial intelligence to web front-end and JavaScript development. Most recently, James has fallen back in love with web development thanks to Ruby on Rails.

Since discovering Rails just over a year ago, James has become a prolific contributor to its open source ecosystem. He is the author of several well-used plug-ins and gems, and a contributor to countless others, including the framework itself.

James is the founder of GiraffeSoft, a boutique rails consultancy, based in Montreal, Qc. Known for their ability to turn projects around quickly, without sacrificing maintainability, GiraffeSoft has quickly become the go-to shop for ruby and rails development in Montreal. Case in point, the 2008 Rails Rumble, in which the GiraffeSoft team designed, built, and deployed... Read More.

Ilya Grigorik
Ilya Grigorik (igvita.com), @igrigorik

Ilya Grigorik is the founder and CTO of AideRSS, a social engagement monitoring and analytics platform. He has been active in the Ruby and cloud computing community for the last three years, documenting and sharing hands on knowledge and experience with the latest architecture, design patterns, and FOSS projects (blog: www.igvita.com, twitter: @igrigorik). He is an active speaker at many Ruby and Cloud Computing events.

Paul Gross (Braintree Payments), @pgr0ss

Paul Gross is a software developer and consultant who works for ThoughtWorks. He has been working almost exclusively with Ruby on Rails for the last few years. His blog can be found at http://www.pgrs.net.

Arun Gupta
Arun Gupta (Sun Microsystems), @arungupta

Arun Gupta is a GlassFish Evangelist focusing on Web Tier at Sun. He was the spec lead for APIs in the Java platform, committer in multiple Open Source projects, participated in standard bodies and contributed to Java EE and SE releases. He is a prolific blogger with numerous useful tips at http://blogs.sun.com/arungupta.

David Heinemeier Hansson

David Heinemeier Hansson is a partner at 37signals, a privately-held Chicago-based company committed to building the best web-based tools possible with the least number of features necessary.

37signals’ products include Basecamp, Highrise, Backpack, Campfire, Ta-da List, and Writeboard. 37signals’ products do less than the competition — intentionally.

He is also the creator of Ruby on Rails.

Aslak Hellesøy
Aslak Hellesøy (Bekk Consulting AS), @aslak_hellesoy

I do Agile, Ruby and Java stuff. I wrote about a third of RSpec and most of Cucumber.

Bryan Helmkamp
Bryan Helmkamp (weplay)

Bryan Helmkamp is the lead maintainer of Webrat, a library to implement acceptance testing of a Ruby web application in a more expressive and maintainable way. He’s a co-author of The RSpec Book, which is now available as a beta PDF. Following three years of Ruby on Rails consulting, Bryan is now a software engineer at Weplay, a New York City-based startup building online tools for the youth sports community. Bryan’s software development blog is located at http://brynary.com/.

Rein Henrichs (PHPFog), @reinh

Rein fell in love with Ruby at first sight, captivated by the beauty and elegance of the language, the simplicity of its design, and the communicativeness of its syntax. He currently works at Hashrocket, sharing his love of Ruby and crafting amazing websites with a gaggle of awesome teammates for a flock of wonderful clients. He also loves guitar, piano and kittens.

Tony Hillerson
Tony Hillerson (Tack Mobile)

Tony Hillerson is a Software Architect for EffectiveUI. He graduated from Ambassador University with a BA in MIS. On any given day he may be working with Flex, Java, Rails, Maven, Ant, Ruby, or shell scripts. Tony has contributed to and developed on many community projects, such as RubyAMF. He’s written whitepapers, including one on Flex and Live Cycle Data Services, and is currently co-authoring a book on Flex and Rails. This year Tony has spoken at 360|Flex and Adobe MAX, as well as local user groups.

Tony is interested in all levels of usability and experience design, from the database to the server to the glass.

In his free time Tony enjoys playing the bass, playing World of Warcraft, making electronic music,... Read More.

Jeremy Hinegardner
Jeremy Hinegardner (Collective Intellect), @copiousfreetime

Jeremy Hinegardner lives in Boulder, CO and has been programming Ruby since 2001. He writes weird corner case gems such as crate, heel, amalgalite, hitimes and a few others. Jeremy also contributes to the Fedora/EPEL community by packaging nginx, HAProxy, beanstalkd and a few other applications.

He works for Collective Intellect writing Ruby applications converting social media data into market intelligence, and in his copious free time plays at being a nature photographer

Brian Hogan
Brian Hogan (NAPCS)

Brian has been developing web sites and web applications for over 13 years. He currently trains and mentors application developers, focusing on Ruby on Rails applications. He has written the book “Web Design for Developers”, “Rails for Windows”, and has contributed to “Deploying Rails Applications”.

PJ Hyett (GitHub)

Cofounder of GitHub

Bradley loves the technical and creative mix of front-end web development. He’s a guy with “big vision” and is not afraid to challenge ideas from the user’s perspective. Bradley is passionate about bringing clean, usable web sites to the world and works tirelessly to make it happen.

Larry Karnowski
Larry Karnowski (Relevance, Inc.)

Larry Karnowski has been designing and developing software applications—mostly network management tools—for almost fifteen years. His biggest passion is solving problems for real people—creating user interfaces that let users kick ass. In addition to hard technical skills like Ruby, Java, etc., he brings experience in usability, product design, and uncovering what users really need.

Erik Kastner
Erik Kastner (Kickstarter)

Erik has been building dynamic websites since 1997. Rails and Sinatra are the most reached-for tools in his bag, but far from the only ones in there.

Yehuda Katz
Yehuda Katz (Tilde Inc), @wycats

Yehuda Katz is a member of the Ember.js, Ruby on Rails and jQuery Core Teams. His 9-to-5 home is at the startup he founded, Tilde Inc., where he works on Skylight, a Rails performance tool. Yehuda is the co-author of best-selling jQuery in Action and Rails 3 in Action. He spends most of his time hacking on open source—his main projects, along with others, like Thor, Handlebars and Janus—or traveling the world doing open source evangelism work. He blogs at http://yehudakatz.com and can be found on Twitter as @wycats.

Jeremy Kemper
Jeremy Kemper (37signals)

Jeremy Kemper (bitsweat) is a programmer at 37signals hailing from Pasadena, California. Hot on the heels of DHH, he has been the most active contributor to Rails. He’s knee deep in pretty much all aspects of the framework and one of the top batters against new, incoming tickets.

Michael Koziarski
Michael Koziarski (Koziarski Software Limited)

Michael “Koz” Koziarski is a software consultant specialising in Ruby on Rails, database architecture, web based businesses and object oriented design. He’s been a contributor to Rails since 2004, a Rails Core Team member since 2005 and helps other programmers improve their code on The Rails Way, a popular Rails architecture weblog.

Ed Laczynski
Ed Laczynski (Zype)

Ed is an Internet technologist and entrepreneur, with experience leading teams on Web 2.0 and cloud computing development projects. Ed started LTech, a successful Enterprise search and cloud applications integrator in 2001. In 2006, Ed formed Zype Media Group, an interactive publishing, media, and advertising firm.

Recently, Ed has been engaging in the Ruby on Rails community, developing software and APIs for a media and advertising applications.

Ed lives in northern New Jersey with his family. He enjoys programming, playing guitar, skiing, cooking, and having fun. He is a long time member of the Agile Alliance.

Hongli Lai
Hongli Lai (Phusion)

Hongli Lai is the co-founder and CTO of "Phusion ":http://www.phusion.nl, a
company that specializes in offering top of the line IT products and
services to high profile clients.

Prior to founding Phusion, he has had the pleasure of working on a
myriad of open source products such as Ruby, Ruby on Rails and
Autopackage, where it’s perhaps worth mentioning that the latter is
being used by the Dutch Tax Department.

From his computer science study and work, Hongli has also become well
versed in a variety of computer languages and paradigms and also
possesses over an (almost) uncontrollable hunger for knowledge. In
particular, his current interests lie at the domain of Software
Engineering where the... Read More.

Jason LaPorte (Agora Games)

Jason LaPorte is the system administrator and a software developer at Agora Games, a company that specializes in building gaming communities, in-game on on the web.

Daniel Lathrop
Daniel Lathrop (The Dallas Morning News)

Daniel Lathrop is a national award winning digital journalist specializing in open government and the cutting edge of technology related to journalism. He is an expert in database and data driven journalism techniques, having lectured and taught on these topics at audiences including the Knight Digital Media Center at USC, Medill School of Journalism, the RailsConf web development conference, numerous Investigative Reporters and Editors conferences and the recent Association of Health Care Journalists conference. He has lectured on topic including online journalism, social media and investigative techniquesHe is on the team that taught IRE’s inaugural web database bootcamp. As an early leader of computer assisted reporting, he is often tapped to work with newsrooms and investigative teams transitioning to models of news coverage.

Daniel... Read More.

Carl Lerche
Carl Lerche (Strobe, Inc), @carllerche

Carl started building web applications at 13 with PHP. He started learning so that he could 1 up his friends who were only building static HTML. Since then, he’s dabbled with quite a few technologies before settling on Ruby 4 years ago. Carl is a software engineer at Engine Yard, a member of the Merb team (currently working on Rails 3), and a contributor to many OSS projects.

Carl likes chocolate, coffee, scuba diving, and long walks on the beach.

James Lindenbaum

James Lindenbaum is a hacker and entrepreneur with a background in agile development and enterprise software consulting. He was a principal at Bitscribe, is one of the founders of Heroku, and is technical advisor to several startups. His OCD perfectionism got him hooked on the beauty of Ruby back in 2005, and he’s been an addict ever since.

Tobias Lütke
Tobias Lütke (Shopify), @tobi

Tobias Lütke is CEO and co-founder of Shopify, the marquee shopping cart system of the e-commerce industry. As a programmer Tobi has served on the core team of the Ruby on Rails framework and has created many popular open source libraries such as the Typo weblog engine, Liquid and Active Merchant.

Jon Maddox
Jon Maddox (Fanzter inc.), @maddox

Rails and iPhone developer with an eye for minimalism and a thing for pizazz.

Pat Maddox
Pat Maddox (Goldstar Events), @patmaddox

Pat Maddox is a freelance hacker who is particularly enamored with testing. He loves open source and is very good looking

Geir Magnusson Jr (AppNexus)

With a diverse background as both a technical executive and an internationally known leader in open source software, Geir comes to us from Joost, where he led software development and had responsibility for platform architecture, implementation and delivery. Prior to Joost, he held positions as Director of Middleware Architecture and Open Source Technology at Intel, and Vice President of Products and Strategy at Gluecode, an open source application server startup that was acquired by IBM. He was VP, Engineering and Chief Architect of Adeptra, an innovating communications service provider, and as CTO, guided technology FitLinxx during it’s rapid growth years. Geir began his commercial career as an architectural and product lead at Bloomberg Financial Markets where he developed the company’s real-time, multi-platform financial... Read More.

Robert Martin
Robert Martin (Object Mentor Inc)

Robert C. Martin (Uncle Bob) has been a software professional since 1970 and is founder and president of Object Mentor Inc., in Gurnee, Illinois. Object Mentor, Inc., is an international firm of highly experienced software developers and managers who specialize in helping companies get their projects done. Object Mentor offers process improvement consulting, object-oriented software design consulting, training, and skill development services to major corporations worldwide.

Mr. Martin has published dozens of articles in various trade journals, and is a regular speaker at international conferences and trade shows.

Mr. Martin has authored and edited many books including:

  • Designing Object Oriented C++ Applications using the Booch Method
  • Patterns Langauages of Program Design 3
  • More C++ Gems
Desi McAdam
Desi McAdam (Hashrocket Inc and DevChix Inc), @desi

I am founder of DevChix.com and one of the software developers at Hashrocket.

Sarah Mei
Sarah Mei (Ministry of Velocity), @sarahmei

Sarah Mei has been a software developer for fifteen years and a Ruby/JavaScript developer for seven. A founder of RailsBridge, an initiative to bring more diversity to the Ruby community, she’s a recent Pivotal Labs alum and is now running The Ministry of Velocity, a small software consultancy. She lives in San Francisco near the beach, where it is never warm enough to go swimming.

Eric Mill (Sunlight Foundation), @Klondike

Eric Mill is a Ruby developer for Sunlight Labs, the tech arm of the Sunlight Foundation. Along with the rest of the Labs, Eric spends his days building tools for gathering, visualizing, and proliferating government information, and hacking chaotic data into beautiful APIs. Lately, Eric has been really into Vitamin Water.

Blake Mizerany
Blake Mizerany (Heroku)

Blake has been into ruby since way back in 2001, and is the creator of Sinatra, the popular ruby microframework. Blake spends his days at Heroku, where he makes mind-blowing features out of ruby and erlang, and often says “you’re doing it all wrong”. He speaks regularly at ruby events and in conjunction maintains a completely indiscernible beard-shaving schedule.

Ola Mork (Agora Games), @olamork

Ola Mork is a senior software engineer at Agora Games, a company that
specializes in building online gaming communities, in-game and on the
web. He’s been developing Rails apps since Fall 2006. He fantasizes
about beautiful code, but knows how to navigate the dregs of
interoperability. He plays Nintendo DS games exclusively.

Jim Mulholland (Squeejee), @mully

Jim Mulholland is a veteran developer with over ten years of web development experience. Jim discovered Ruby and Rails in early 2006 and hasn’t looked back.

Paolo Negri (wooga.com), @hungryblank

Opensource enthusiast kind of geek, interested in linux, programming languages.
I did make of my passion my job and I succeeded in keeping the passion during the process.

Wynn Netherland

Wynn loves the creative side of building software, from brainstorming with clients to designing the solution to executing the idea. The author of two programming books, he has over ten years of web application development experience. With a passion for building great user interfaces, he is a rare programmer that feels equally comfortable in a text editor, a command line shell, or Adobe Photoshop.

Christian Neukirchen

Christian Neukirchen (aka chris2) has been programming Ruby since 2001. As lead developer of the abstract webserver interface Rack, he is committed to unifying the Ruby web development landscape. He also authored several other Ruby libraries, among them the popular BDD frameworks test/spec and bacon. To the Internet community, he is known for creating the first tumblelog, Anarchaia, and its successor Trivium. Currently he is studying Mathematics and Computer Science. On the net, he can be found at http://chneukirchen.org.

Charles Nutter
Charles Nutter (Engine Yard, Inc)

Charles Oliver Nutter co-leads the JRuby project and is one of the three core developers. He joined Sun Microsystems in September 2006 and has since worked to improve and advance JRuby and other dynamic language support on the JVM. Charles has developed in Java for the past decade as well as having written Windows and .NET applications. Before coming to Sun, Charles was a lead Java EE architect, and now hopes to make dynamic languages ready for enterprise Java platform development.

Joe O'Brien
Joe O'Brien (EdgeCase, LLC)

Joe is a father, speaker, author and developer. Before helping found EdgeCase, LLC, Joe was a developer with ThoughtWorks and spent much of his time working with large J2EE and .NET systems for Fortune 500 companies. He has spent his career as a developer, project manager, and everything in between. Joe is a passionate member of the open source community. He co-founded the Columbus Ruby Brigade and helped organize the Chicago Area Ruby Users Group. His passions are Agile Development in the Enterprise, Ruby, and demonstrating to the Fortune 500 the elegance and power of this incredible language.

Lori Olson
Lori Olson (The WNDX Group Inc.), @wndxlori

Tried Ruby/Rails as an alternative to further Java development 3.5 years ago and never looked back.

(The rest of this is my corporate bio, and I don’t like it, but I’m too lazy to write something more fun)

As Senior Software Architect at Labrador Technologies since 2005, Lori brings over 22 years experience in end-to-end software development and 16 years of object oriented programming and design experience. One of the founders of the Calgary Ruby User Society, she has been designing and implementing web applications using Ruby on Rails for over 3 years. Prior to joining Labrador, Lori worked for a variety of companies and industries, including Halliburton, IBM, IHS, and Shell Canada. She is a Sun Certified Java Programmer with over 8... Read More.

Rick Olson
Rick Olson (GitHub)

Rick is a Ruby developer at @github. He’s also developed several APIs for @entp.

Joshua Peek
Joshua Peek (Consultant)

Josh Peek (joshp) has been working with almost all parts of Rails. A lot of work spent on performance and thread safety for Action Pack. He’s the latest addition to the team.

Scott Penberthy (Gilt Groupe)

Scott is the CIO at Gilt Groupe, an online retailer of luxury goods sold at discount prices to a private, invitation-only membership. All sales occur once a day at noon, providing interesting technology and processes challenges to handle instant, flash floods of transactions. In this role Scott’s team is responsible for all things tech, from the web site to handheld scanners in multiple warehouses. Scott has been a builder and leader of technology teams for over 15 years. He started his career as a research scientist at IBM, then led teams that delivered web browsers, web platforms, and open source services during the first web wave. After IBM he left for the venture world, becoming CTO or VPE of early... Read More.

Jay Phillips
Jay Phillips (Codemecca LLC)

Jay Phillips is an innovator in the spaces where sophisticated VoIP development falls apart and where Ruby rocks. As the creator of Adhearsion and its parent consulting company, Jay brings new possibilities to these two technologies through his work on the open-source Adhearsion framework.

Evan  Phoenix
Evan Phoenix (Engine Yard), @evanphx

Evan Phoenix is the lead Rubinius developer, working on Rubinius fulltime, funded by Engine Yard.

Nick Plante
Nick Plante (Zerosum Labs), @zapnap

Nick Plante is a programmer, author, community organizer and (most of all) a nice guy. As an independent consultant and a partner in Ubikorp Internet Services, Nick specializes in helping web startups accelerate their development with Ruby and Rails.

Nick is founder and chief organizer of the Rails Rumble innovation competition, an annual event promoting entrepreneurship and developer productivity in the Rails community. He also heads up the NH Ruby Users Group, has spoken at industry events, and contributes to numerous open source projects. Nick’s book, Practical Rails Plugins, was published by Apress in June, 2008.

Gregg Pollack
Gregg Pollack (Envy Labs)

Gregg Pollack lives in Orlando, Florida where he produces educational media for his company, Rails Envy. He is very active in the Orlando Tech community, helping organize BarCampOrlando, the Orlando Ruby Users Group, and CoLab, Orlando’s first official co-working space.

You can checkout some of his media work by listening Rails Envy Podcast, downloading a screencast from EnvyCasts, or viewing some of the recent conference videos he’s produced (Oscon in 37 minutes)

Tom Preston-Werner

Founder of Gravatar, cofounder of GitHub.

Noel Rappin
Noel Rappin (Obtiva), @noelrap

Noel Rappin is the Vice President of Rails Development at Pathfinder Development. He is the author of Professional Ruby on Rails from Wrox and Rails Test Prescriptions: Keeping your application healthy, available at railsprescriptions.com. He has over a decade of experience in web application development. Noel is the co-author of wxPython in Action and O’Reilly’s Jython Essentials.

Scott Raymond
Scott Raymond (Alamofire, Inc.)

Scott Raymond is the author of Ajax on Rails, published by
O’Reilly. He is a long-time user of, advocate for, contributor to, and consultant on, Rails.

Jason Rudolph

Jason Rudolph is a Principal at Relevance, a leading consultancy and training organization specializing in Ruby, Rails, Groovy, and Grails, and integrating them into enterprise environments. Jason has more than nine years of experience in developing software solutions for domestic and international clients of all sizes, including start-ups, Dow 30 companies, and government organizations. Jason holds a degree in Computer Science from the University of Virginia.

Chris Saylor
Chris Saylor (Todobebé), @cwsaylor

Chris Saylor is the Director of Development for Todobebé, a media company dedicated to the adventures of parenting for spanish speaking-families. He leads his team in building a suite of web sites, mostly in Ruby on Rails, which include a CMS, social network, forum, and OpenID provider. He is passionate about processes, systems architecture and Extreme Programming.

He is a member of the winning team in the 2007 Rails Rumble competition with Tasty Planner, a recipe sharing and meal planning site that is still growing and under active development.

Chris is the organizer of the Miami Ruby Brigade and is a founding member of Refresh Miami.

Jimmy Schementi

Jimmy Schementi works on IronRuby, runs the AgDLR project to make Ruby and Python work well in Silverlight, and started silverline, a project to make Ruby a first-class client programming language in most Ruby frameworks. Check out what he works on at http://blog.jimmy.schementi.com and http://twitter.com/jschementi.

Ben Scofield
Ben Scofield (Heroku)

Ben Scofield is a development director at Viget Labs, where he builds Rails applications for Web 2.0 startups. He’s been using Ruby and Rails for over four years, and is the author of Practical REST on Rails 2 Projects, from Apress. He’s spoken at Railsconf, Rubyconf, Railsconf Europe, and more over the past few years. When he’s not hacking, he spends time with his wife and daughter, reads voraciously, and tries to make the world a better place for web developers everywhere.

Ben blogs at http://www.culann.com/ and http://www.viget.com/extend/.

Jake Scruggs (Backstop Solutions)

{"High School Physics Teacher" => 7.years, “Object Mentor Apprentice” => 3.months, “ThoughtWorker” => 4.years, “Obtivian” => 1.year}

Jason Seifer
Jason Seifer (Twistedmind Inc), @jseifer

Jason Seifer is a web developer living in Ft. Lauderdale, Florida. As half of the Rails Envy team he produces the Rails Envy podcast, has starred in some viral videos, and tries to stay on the cutting edge of all things Ruby. When not working on EnvyCasts, a new screencasting web site, he contributes to open source projects, writes for his blog, and occasionally enjoys a fine Belgian beer or two.

Nick Sieger
Nick Sieger (Sun Microsystems, Inc.), @nicksieger

Nick Sieger is a staff engineer at Sun Microsystems where he has been
working on a team building Project Kenai (http://kenai.com/), a large
JRuby on Rails application. He is a member of the JRuby core team,
leading the effort to improve Rails deployment on the Java Virtual
Machine. He created and co-maintains the JDBC adapter for ActiveRecord
that JRuby on Rails uses for database connectivity, as well as the
Warbler tool and JRuby-Rack library for dealing with Java application
server deployment. He maintains a blog on Ruby and JRuby-related
topics at http://blog.nicksieger.com/.

Ryan Singer (37signals)

Ryan is a designer at 37signals.

Mike Subelsky
Mike Subelsky (OtherInbox), @subelsky

Co-founder and lead hacker of OtherInbox. I’m a hacker, Ruby on Rails developer, SproutCore enthusiast, and improv theater director based in Baltimore, Maryland.

Ryan Tomayko

Ryan Tomayko has been writing about web architecture since 2003 and contributed to Rails core as early as 2005. He created Rack::Cache, is one of the core Sinatra hackers, and is a member of the Rack core team. Ryan works at Heroku in San Francisco helping to build the greatest web platform ever.

Eric Torrey (AgoraGames)

Eric Torrey is a software engineer at Agora Games, a company that specializes in building online gaming communities, in-game and on the web. He has been professionally developing Rails applications since August 2006. He is a firm believer in TDD and doing what it takes to reduce code complexity. Eric loves to play video games on his computer, especially MMORPGs.

Chris Wanstrath

CNET => Err the Blog => GitHub

Jim Weirich
Jim Weirich (Neo Innovation), @jimweirich

Jim Weirich is the Chief Scientist for EdgeCase LLC, a Rails development firm located in Columbus Ohio. Jim has over twenty-five years of experience in software development. He has worked with real-time data systems for testing jet engines, networking software for information systems, and image processing software for the financial industry. Jim is active in the Ruby community and has contributed to several Ruby projects, including the Rake build system and the RubyGems package software.

Adam Wiggins
Adam Wiggins (Heroku)

Adam Wiggins is the author of RestClient, a contributor to Sinatra, a cofounder of Heroku, and generally a total bad-ass. In 2008 he spoke at events such as Railsconf and Rubyconf. He blogs about agile methodologies, Ruby, Erlang, cloud computing, and entrepreneurship at adam.blog.heroku.com.

Matt Wood
Matt Wood (Wellcome Trust Sanger Institute)

Matt Wood heads up software development at the Wellcome Trust Sanger Institute, where he is responsible for the software that drives the Institute’s world class sequencing facility, along with the next generation of DNA sequencing technology.

Matt’s interests lie in adding value to biological data through scientific software: after completing his PhD, he’s built grid services in Nottingham, web-scale search engines in New York City and genes in Hinxton.

Matt is an advocate of agile development with Scrum, sensible semantics and, of course, the duck billed platypus.

John Woodell
John Woodell (Google, Inc.)

John is a web developer at Google, working primarily on internal Rails applications. He is a Ruby enthusiast, and contributer to the appengine-apis project. John has recently been giving talks and hosting hack-a-thons for JRuby on App Engine. He has also hosted Google Tech Talks on Ruby topics such as Rubinius, Merb, and other ruby frameworks.

Ezra Zygmuntowicz
Ezra Zygmuntowicz (EngineYard)

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

News and Coverage
co-presented by Ruby Central, Inc. O'Reilly
  • Engine Yard
  • Heroku
  • Sun Microsystems
  • Blue Box Group
  • New Relic

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