Donors
Sunlight Foundation
DC-based foundation focused on government transparency and technology
MacArthur Foundation
Major private grant-making foundation; based in Chicago
Rockefeller Brothers Fund
Set up in 1940 by the five sons of John Jr.
Ford Foundation
Major private foundation based in NYC
Hewlett Foundation
Private foundation established by Hewlett-Packard cofounder
Arnold Ventures
Foundation of natural gas billionaire John Arnold
Open Society Foundations
International grantmaking network founded by business magnate George Soros
