Open Society Foundations
Sign in to saveAlso known as OSF, Open Society Institute, OSI, opensocietyfoundations.org, Soros Foundation
international grantmaking network founded by business magnate George Soros
Key facts
- Abbreviation
- OSF
- Founded
- April 1993 ; 33 years ago ( 1993-04 )
- Founder
- George Soros
- Location s
- 224 West 57th Street , New York , NY 10019, U.S.
- Chair
- Alexander Soros
- President
- Binaifer Nowrojee
- Revenue
- $436 million (2023)
- Endowment
- $23 billion (2025)
- Website
- opensocietyfoundations .org
- Formerly called
- Open Society Institute
via Wikipedia infobox
Research organization · ROR
- Type
- Funder, Nonprofit
- Founded
- 1993
- Location
- New York, United States
- Also known as
- OSF, Open Society Institute
- Status
- Active
GRID grid.453407.1 · ISNI 0000 0001 2289 9086
Wikidata facts
- Instance of
- charitable organization
- Named after
- George Soros
- Country
- United States
- Located in
- New York City
- Founded by
- George Soros
- Chairperson
- George Soros
- Legal form
- nonprofit organization
- Location
- Next Entertainment World
- Official website
- opensocietyfoundations.org
- Image
- 57th St Bway td (2018-08-16) 04 - Demarest Peerless Building.jpg
- Political ideology
- open society
Show 12 more facts
- P8168
- Kutadgu Bilig
- owner of
- Radio 101.2
- Commons category
- Open Society Foundations
- inception
- 1993-04-00
- member of
- C40 Cities Climate Leadership Group
- short name
- OSI
- social media followers
- 48400
- archives at
- Blinken Open Society Archives
- partnership with
- International Fund for Agricultural Development
- has goal
- Sustainable Development Goal 10
- P12674
- Laure-Minervois
via Wikidata · CC0
~11 min read
Encyclopedic overview
Open Society Foundations (OSF), formerly the Open Society Institute, is an American grantmaking network founded by billionaire business magnate George Soros. OSF financially supports progressive organizations. As of 2025, OSF has reported expenditures in excess of $24.2 billion since its establishment in 1993. OSF has assets of over $23 billion, making it one of the world's largest foundations. It has offices in over a dozen countries. The New York Times described OSF as "a sprawling political and philanthropic empire that seeks to advance a liberal, democratic agenda around the globe".
History
Excerpted from Wikipedia’s “Open Society Foundations” article, available under the CC BY-SA 4.0 licence.