The Barrow Cadbury Trust
The Atlantic Philanthropies
Bertelsmann Stiftung
Compagnia di San Paolo
The Diana, Princess of Wales Memorial Fund
Egmont Fonden
European Cultural Foundation
Fondation Bernheim
Freudenberg Stiftung
Fundação Calouste Gulbenkian
Fundación Bertelsmann, Spain
Fundación “la Caixa”
The German Marshall Fund of the United States
Joseph Rowntree Charitable Trust
King Baudouin Foundation
New Eurasia Foundation
Open Society Foundation
Stiftung Mercator