National Foundation Partners
- Alki Fund of Tides Foundation
- Anonymous
- Atlantic Philanthropies
- Compton Foundation
- David & Lucile Packard Foundation
- Ford Foundation
- General Service Foundation
- Gerbode Foundation
- Gilbert Goldman Memorial Fund of Tides Foundation
- Gillespie Foundation
- Grove Foundation
- Irving Harris Foundation
- Mark Krueger Fund of Tides Foundation
- Mary Wohlford Foundation
- Mitchell Kapor Foundation
- Moriah Fund
- Overbrook Foundation
- Open Society Foundations
- Ozymandias Fund of Tides Foundation
- Prospect Hill Foundation
- Richard & Rhoda Goldman Fund
- Underdog Fund of Tides Foundation
- William and Flora Hewlett Foundation