speakers

David A. Black, Ph.D., has been writing in and about Ruby for over five years, and developing Rails applications since 2004. He is a founding director of the non-profit organization Ruby Central, Inc., which produces both the annual International Ruby Conference ("RubyConf") , now heading into its sixth year, and the International Rails Conference, scheduled to debut in June, 2006. David's book "Ruby for Rails: Ruby techniques for Rails developers" is due out from Manning Publications this Spring.

David is the chief author of Ruby's standard scanf library, the creator and maintainer of the Rails-based Ruby Change Request Archive ("RCRchive"), and the chief developer of the Rails applications behind the Ruby FAQ. He contributed three chapters ("days") to "Teach Yourself Ruby in 21 Days" (Sams, 2001). He is a frequent participant on the ruby-talk mailing list and the #ruby-lang IRC channel (freenode.net).