Founded by George Soros in 1979, the Open Society Foundations (OSF) is a vast American grantmaking organization operating in over 120 countries through regional and thematic foundations. OSF advances rule of law, justice, education, independent media, and civil rights through direct grants, strategic litigation, policy advocacy, and impact investments. By 2025, it had disbursed more than $23 billion with a mission of building vibrant, accountable societies, particularly protecting marginalized and vulnerable groups.
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