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Updated:3/7/2026
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Philanthropist↕ | Foundation / Vehicle↕ | Total Given (Est.)↕ | Focus Area↕ | Known For↕ |
|---|---|---|---|---|
Bill & Melinda Gates | Bill & Melinda Gates Foundation | $60+ billion | Global health, education, poverty | Largest private foundation ($70B endowment), near-eradication of polio, Warren Buffett's co-pledge, Giving Pledge co-founders |
Andrew Carnegie | Carnegie Corporation / libraries | $350M ($11B adjusted) | Libraries, education, peace | Funded 2,509 public libraries worldwide, 'The Gospel of Wealth' essay, steel magnate who gave away 90% of fortune, Carnegie Hall |
Warren Buffett | Berkshire Hathaway → Gates Foundation | $56+ billion | Via Gates Foundation + children's foundations | Pledged 99% of wealth, single largest charitable donation in history ($37B in Berkshire shares), Giving Pledge co-founder, lives modestly |
MacKenzie Scott | Direct giving (no foundation) | $17+ billion | Racial equity, gender, LGBTQ+, education | Fastest large-scale giving in history, no-strings-attached donations, trusts organizations she funds, post-Bezos divorce fortune |
John D. Rockefeller | Rockefeller Foundation | $530M ($11B adjusted) | Medicine, education, science | Founded University of Chicago, Rockefeller University, eradicated hookworm in US South, modern philanthropy pioneer |
Chuck Feeney | Atlantic Philanthropies | $8 billion | Education, health, human rights | Gave away entire fortune in secret, 'James Bond of philanthropy', DFS co-founder, died nearly broke by design, inspired Gates and Buffett |
Azim Premji | Azim Premji Foundation | $21+ billion | Education in rural India | Largest philanthropy in India, Wipro founder, pledged 67% of wealth, Azim Premji University, improving public education for millions |
George Soros | Open Society Foundations | $32+ billion | Democracy, human rights, governance | Central European University, funded democratic movements in Eastern Europe, controversial political figure, 'man who broke the Bank of England' |
Oprah Winfrey | Oprah Winfrey Foundation / various | $600+ million | Education, empowerment, women | Oprah Winfrey Leadership Academy for Girls (South Africa), 'Oprah's Favorite Things' giving, self-made billionaire, media empire for good |
Michael Bloomberg | Bloomberg Philanthropies | $14.4+ billion | Climate, public health, arts, education | Beyond Carbon climate initiative, Johns Hopkins $3.3B donation (largest ever to a university), gun control advocacy, data-driven giving |
Laurene Powell Jobs | Emerson Collective | $3+ billion (est.) | Education, immigration, environment, media | Steve Jobs' widow, owns The Atlantic, impact investing model, XQ Institute reinventing high schools, quiet but powerful influence |
Mo Ibrahim | Mo Ibrahim Foundation | $500+ million | African governance and leadership | Ibrahim Prize ($5M + $200K/year for life) for best African leader, most valuable individual award in world, good governance index |
Eli and Edythe Broad | The Broad Foundation | $4+ billion | Education, science, art | The Broad museum (LA), Broad Institute (MIT/Harvard) for genomic research, education reform, SunAmerica/KB Home fortunes |
Nandan Nilekani | EkStep Foundation / Aadhaar | $1+ billion (pledged) | Digital public infrastructure, education | Infosys co-founder, architected India's Aadhaar biometric ID (1.4B people), EkStep open learning platform, Giving Pledge signatory |
Henry Wellcome | Wellcome Trust | £30+ billion endowment | Biomedical research | Wellcome Trust is world's second-largest research funder, Wellcome Collection museum, pharmaceutical fortune turned into research powerhouse |
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