The Philadelphia Foundation - Our Community, Made Better
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Musk Foundation Children Foundation
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Fundación Carlos Slim
Fundación Ramón Areces
Fundación Juan March
Fundación Alicia Koplowitz
Hugh M. Hefner Foundation
Knight Foundation
Charities Aid Foundation (CAF)
Nemours Foundation
Fundação Calouste Gulbenkian
The Duke Endowment
California Health Care Foundation
Knut and Alice Wallenberg Foundation
Kresge Foundation
Helmsley Charitable Trust
Robert Bosch Stiftung
Andrew W. Mellon Foundation
Silicon Valley Community Foundation
W.K. Kellogg Foundation
Else Kröner-Fresenius-Stiftung
Li Ka Shing Foundation
Hewlett Foundation
MBRF Foundation
Lilly Endowment Inc.
Garfield Weston Foundation
INGKA Foundation