http://herndonalliance.org/about/services/partners.html
This says quite a bit.
Moveon.org
SEIU
...
Board of Directors
Carol Regan, PHI/Health Care for Health Care Workers
President of Board
Jennifer Ng’andu, National Council of LaRaza
Vice-President of Board
Philippe Villers, Families USA
Secretary and Treasurer of Board
Rob Restuccia, Community Catalyst
Board Member
Anthony Wright, Health Access California
Board Member