Software engineer, Rubyist, writer, conference organizer (RubyNation and DevIgnition), part-time space advocate and frequent public speaker.
bio from Twitter
United States United States, Reston
23rd–24th March 2012
David Keener attended
United States United States, Mclean
2nd December 2011
David Keener spoke
United States United States, Reston
1st–2nd April 2011
David Keener was involved organiser spoke
United States United States, Reston
3rd December 2010
David Keener was involved organiser
United States United States, Tempe
25th September 2010
David Keener spoke