The Relevance Team

Justin Gehtland

President

Justin Gehtland co-founded Relevance in 2003 with Stuart Halloway. He’s been a programmer, author,
and speaker since 1994. His 2005 book, “Better, Faster, Lighter Java” won the Jolt Award for
Technical Writing, and he has authored 8 technical books in all. He is currently focused on
expanding Relevance’s Ruby practice and building the best team of agile developers in the known universe.

Stuart Halloway

CEO

Stuart Dabbs Halloway is a co-founder of Relevance, Inc.
Stuart is the author of Component Development for the Java Platform and
Rails for Java Developers.
Stuart regularly speaks at industry events including the
No Fluff, Just Stuff Java Symposiums, the Pragmatic Studio, RubyConf, and RailsConf.

Venkat Subramaniam

Chief Learning Officer

Venkat is known for his passion, enthusiasm, and ability to impart complex concepts using clear
analogies and examples. Venkat co-authored the 2007 Jolt Productivity Award-winning book
Practices of an Agile Developer
and authored .NET Gotchas. Venkat
is frequently invited to speak at international conferences and user groups. He has over 15 years
experience developing software applications and teaching software development practices to thousands
of software developers in US, Canada, and Europe.

Glenn Vanderburg

Chief Scientist

Glenn brings more than 20 years of experience developing software across a wide range of domains,
and using a variety of tools and technologies. Glenn is always searching for ways to improve the
state of software development, and was an early adopter and proponent of Ruby, Rails, and agile practices.

Muness Alrubaie

Principal

Muness brings 11 years of experience developing software in a variety of domains using the right tools
for the job at hand. Muness builds resilient systems that can adapt to changing business needs. To that
end he has been a proponent of agile practices, Ruby on Rails, Domain-Specific Languages (DSLs) and
tagging.

Jason Rudolph

Principal

Jason Rudolph is a Principal at Relevance and is author of the book,
Getting Started with Grails.
Jason speaks frequently at software conferences and user groups, and he 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.

Rob Sanheim

Principal

Rob Sanheim is a software developer with over eight years programming experience and over fifteen
years of IT experience in many domains. He loves Ruby, timeless design, and simple software that
gets stuff done. Rob is a believer and practitioner of common-sense agility, open source, and software
that is fun to create and fun to use.

Aaron Bedra

Programmer

Aaron brings the ability to quickly ninja any application. His passion for spreading the security word via
his blog is kicking off a new wave of security consciousness throughout the Ruby community and creating an
avalanche of better development practices. His passion for exploring new technologies and traveling new roads
has quickly shot him up through the Ruby industry and on to the Relevance team.

Geof Dagley

Programmer

Geof Dagley has developed software for over 10 years, for startups and global business and services
companies. He has taught programming classes around the U.S. and is always searching for new ideas to
share with others. He loves Behavior Driven Development (BDD) and simpler software solutions. Geof has
a degree in Aerospace Engineering, because some software problems do require a rocket scientist.

Scott Davis

Instructor

Scott Davis is an internationally recognized author and speaker. He is passionate about open source solutions and agile development. He has worked on a variety of Java platforms, from J2EE to J2SE to J2ME (sometimes all on the same project).

Scott’s books include Groovy Recipes: Greasing the Wheels of Java, GIS for Web Developers: Adding Where to Your Web Applications, The Google Maps API, and JBoss At Work.

Chad Humphries

Programmer

Larry Karnowski

Programmer

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 Yowell

Design Specialist

Erik Yowell is the interface design engineer at Relevance, working on all aspects of design, usability, and
user interfaces. While acting in the capacity of a multi-faceted designer and developer for 10 years, Erik
developed web sites for the Federal government, Fortune 500, entertainment media and educational
organizations.