Coefficient Giving careers & jobs
About Coefficient Giving
Coefficient Giving (formerly Open Philanthropy, rebranded November 2025) is a San Francisco-based philanthropic funder and advisor that researches high-impact, cost-effective giving opportunities and directs grants across cause areas including global health, scientific research, biosecurity, lead-exposure reduction and AI alignment. It has directed more than $4 billion in grants since 2014.
Open roles at Coefficient Giving (3)
Founders
Holden Karnofsky co-founded GiveWell in 2007 and then Open Philanthropy, which he led for years as a leading figure in the effective-altruism movement. He later shifted focus toward AI safety and is now a board member of Coefficient Giving.…
Cari Tuna is a former journalist who co-founded Good Ventures with her husband Dustin Moskovitz and is a Giving Pledge signatory. She serves as Board Chair of the organization.…
Dustin Moskovitz is a co-founder of Facebook and Asana and a Giving Pledge signatory. His wealth, channeled through Good Ventures, has been the organization's primary historical funding source.…
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