AIDS Healthcare Foundation
Annie E. Casey Foundation
Barbara Lee Family Foundation
Benton Foundation
Bill and Melinda Gates Foundation
California Endowment
California HealthCare Foundation
Charles Stewart Mott Foundation
Christopher and Dana Reeve Foundation
Commonwealth Fund
David and Lucile Packard Foundation
Everyday Democracy
Fannie Mae Foundation
Foundation for Informed Medical Decision Making
Heinz Family Foundation
Henry J. Kaiser Family Foundation
Human Rights Campaign Foundation
Institute for Global Ethics
Jack Kent Cooke Foundation
John A. Hartford Foundation
Kettering Foundation
Knight Foundation
Markle Foundation
Nathan Cummings Foundation
New America Foundation
New York State Health Foundation
Northwest Area Foundation
NoVo Foundation
Robert Wood Johnson Foundation
The Paul J. Aicher Foundation
The Summit Fund of Washington, D.C.
The Atlantic Philanthropies
The Johnson Foundation
The Women's Foundation of California
W.K. Kellogg Foundation