John D. and Catherine T. MacArthur Foundation
140 S Dearborn St, Floor 12
One of the nations largest independent foundations, the John D. and Catherine T. MacArthur Foundation supports creative people and effective institutions committed to building a more just, verdant, and peaceful world. For 40 years, the Foundation has been committed to the city, its people, and its diverse neighborhoods. MacArthur has invested more in the Chicago region than in any other place around the world, awarding $1.1 billion to over 1,300 organizations and individuals across dozens of communities.