Open Philanthropy, founded in June 2017, is an American grantmaking foundation dedicated to effective altruism. It emerged from a partnership between GiveWell and Good Ventures and is headquartered in San Francisco. The organization aims to maximize the impact of its funding by prioritizing causes based on importance, neglectedness, and tractability. Open Philanthropy provides grants, funding, and research across various global initiatives, including health interventions and scientific research.
Notable figures associated with Open Philanthropy include founders Holden Karnofsky, Dustin Moskovitz, and Cari Tuna, with Alexander Berger serving as the current CEO. Major funders include Cari Tuna and Dustin Moskovitz, who have committed their wealth to global betterment. The foundation has made significant strides in areas like school-based deworming in Ethiopia and malaria research. Its strategic approach to philanthropy has positioned it as a key player in the effective altruism movement, influencing how resources are allocated for maximum social impact.

Good Ventures
goodventures.org

Chan Zuckerberg Initiative
chanzuckerberg.com

Schmidt Futures
schmidtfutures.com

Bill & Melinda Gates Foundation

Google.org
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The Thiel Foundation

King Philanthropies

Oregon Community Foundation
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Silicon Valley Community Foundation

Minderoo Foundation
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David and Lucile Packard Foundation
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Patrick J. McGovern Foundation
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Social Good Fund
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Argosy Foundation
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The Audacious Project
Organizations similar to Open Philanthropy include Good Ventures, Chan Zuckerberg Initiative, Schmidt Futures and Bill & Melinda Gates Foundation.
Open Philanthropy was founded in 2014.
Open Philanthropy's headquarters is located in San Francisco, CA, US.
Open Philanthropy has 80 employees as of Feb 4, 2024.