Matt Pelletier is a partner at EastMedia, a software, mobile, and business development firm. He is also cofounder of NYC.rb, the New York City Ruby group.
Zed Shaw is the original and primary author of Mongrel.
David A. Black is Director, Ruby Power and Light, LLC and also Co-Director, Ruby Central, Inc. He is the bestselling author of Ruby for Rails.
Trotter Cashion is an application developer at motionbox.com, a Rails-based video sharing site.
Dr. James Adam is the developer behind the Engines plugin.
Jacob Harris is a web developer for New York Times Digital.