The John D. and Catherine T. MacArthur Foundation is a private foundation that makes grants and impact investments to support non-profit organizations in approximately 117 countries around the world. It has an endowment of $7.6 billion and... Wikipedia
President: John Palfrey
Founders: Catherine T. MacArthur and John D. MacArthur
Founded: October 18, 1970, United States
Headquarters: Chicago, IL
Endowment: $8 billion (2022)
Focus: Climate change, nuclear challenges, non-profit journalism, local issues in Chicago