100% NECESSARY panelist: Kjerstin Erickson and her Radical Transparency. FORGE runs as lean as it gets... 70,00 refugees served by over 50 projects (that the refugees themselves develop) with only 3 US staff and a teeny tiny budget... she's brilliant and commands the attention of a crowd.
http://www.socialedge.org/blogs/forging-ahead/archive/2009/0...
(called the LEANEST startup NGO there is)
http://tacticalphilanthropy.com/2008/12/forge-final-report