Alan B. Slifka Foundation
The Boston Foundation
Cambridge Community Foundation
The David and Lucile Packard Foundation
Davis Conservation Foundation
Equity Trust Fund
Evelyn and Walter Haas, Jr. Fund
The Ford Foundation
General Service Foundation
George H. and Jane A. Mifflin Memorial Trust
The Henry Luce Foundation, Inc.
Henry P. Kendall Foundation
Holthues Trust
JAMS Foundation

The John D. and Catherine T. MacArthur Foundation
The Johnson Foundation (WI)
The Lumpkin Famimly Foundation
The Moriah Fund
The Nathan Cummings Foundation
New Hampshire Charitable Foundation
The Pew Charitable Trusts
Rockefeller Brothers Fund
Rockefeller Foundation
Ruth Mott Foundation
Surdna Foundation
United States Institute of Peace
The William and Flora Hewlett Foundation
W.K. Kellogg Foundation