Investors
- Bonfils-Stanton Foundation
- Boston Impact Initiative
- California Wellness Foundation
- ClimateWorks Foundation
- The Educational Foundation of America
- John D. and Catherine T. MacArthur Foundation
- Lora L & Martin N Kelley Family Foundation
- Levi Strauss Foundation
- Margaret A. Cargill Philanthropies
- Marguerite Casey Foundation
- Mary Reynolds Babcock Foundation
- Nathan Cummings Foundation
- Schmidt Family Foundation
- Sierra Club Foundation
- Skoll Foundation
- WK Kellogg Foundation