David A. Black
David A. Black is a well-known Ruby programmer, trainer, author, speaker, and event organizer. David is one of the founding directors of Ruby Central, Inc., and has been a co-organizer of every RubyConf since the first one in 2001, program co-chair for RailsConf, and program chair for RailsConf Europe. Active in the Ruby world since 2000, David is the author of The Well-Grounded Rubyist (Manning Publications, 2009), a Ruby standard library contributor, and a frequent invited speaker at technical conferences and user groups in the US, Canada, and Europe. He is also the director of Ruby Power and Light, a principal with Arcturo, a Strategic Advisor, Ruby and Rails Training for Cyrus Innovation, and a member of the Professional Development Committee of ACM.
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