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MacArthur Foundation

Funder
Founded Jan 1978 (48 years old)HQ: Marquette Buildingmacfound.org ↗

Comprehensive profile of the $9 billion MacArthur Foundation documenting its evolution from 1978 to present, with $8.27 billion in total grants across climate, criminal justice, nuclear threats, and journalism. AI governance work totals modest funding ($400K to IST for LLM risk; general support to PAI and AI safety organizations).

Facts

7
Organization
Founded DateJan 1978
CountryUnited States
Legal Structurecharity
HeadquartersMarquette Building
People
Founder (text)John D. MacArthur
Biographical
Wikipediahttps://en.wikipedia.org/wiki/MacArthur_Foundation
General
Websitehttps://www.macfound.org/

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