Gerold Keefer - professional trainer and coach in the Mannheim Area of Germany.
http://de.linkedin.com/pub/gerold-keefer/3/252/1b6
Four short excerpts from 2009 (?) training videos by Gerold Keefer at
http://www.youtube.com/profile?user=GeroldKeefer#g/u
Was active on the comp.software.extreme-programming usenet news group in 2002-2004 or so.
While I wouldn't describe him as a world-class award winning speaker, I think the first three of his training video excerpts on YouTube are pretty good. -- JeffGrigg
[GeroldKeefer is not known to be active on this Wiki. This page was created as a place to describe his agile work and criticisms of ExtremeProgramming.]