Coefficient Giving (previously Open Philanthropy) is a research and grantmaking foundation based in San Francisco.
History
Coefficient Giving launched in late 2011, as a partnership between Good Ventures and GiveWell.[1] The partnership operated under the name GiveWell Labs before adopting, in August 2014, the name Open Philanthropy Project.[2] It continued to be part of GiveWell until 2017, when it became an independent organization.[3] The name was changed to Open Philanthropy around December 2019, and Coefficient Giving in November 2025.[4]
Leadership
Coefficient Giving’s leadership can be viewed on its team page.[5] At present, Alexander Berger is the CEO, and Cari Tuna is the chair.
Further reading
Matthews, Dylan (2015) You have $8 billion. You want to do as much good as possible. What do you do?, Vox, April 24 (updated 16 October 2018).
Walsh, Bryan (2025) One of the world’s most influential philanthropies is changing its name. Here’s why it matters. Vox, November 18.
Wiblin, Robert (2017) You want to do as much good as possible and have billions of dollars. What do you do?, 80,000 Hours, October 11.
An interview with Nick Beckstead, a former program officer at Coefficient Giving.
Wiblin, Robert & Keiran Harris (2018) The world’s most intellectual foundation is hiring. Holden Karnofsky, founder of GiveWell, on how philanthropy can have maximum impact by taking big risks, 80,000 Hours, February 27.
An interview with Holden Karnofsky, Coefficient Giving’s former CEO.
External links
Coefficient Giving. Official website.
Related entries
Cari Tuna | GiveWell | Good Ventures | Holden Karnofsky
- ^
Karnofsky, Holden (2011) Announcing GiveWell Labs, The GiveWell Blog, September 8 (updated 2 September 2014).
- ^
Karnofsky, Holden (2014) Open Philanthropy Project (formerly GiveWell Labs), Open Philanthropy, August 20.
- ^
Karnofsky, Holden (2017) The Open Philanthropy Project is now an independent organization, Open Philanthropy, June 12.
- ^
Berger, Alexander (2025) Open Philanthropy Is Now Coefficient Giving, Coefficient Giving, November 18.
- ^
Team, Coefficient Giving, November 20.