Open Philanthropy Project Fund - InfluenceWatch

Summary

InfluenceWatch profile of Coefficient Giving (formerly Open Philanthropy Project Fund), a major grantmaking coalition founded in 2014 by Dustin Moskovitz and Cari Tuna through a partnership with GiveWell and Good Ventures. The organization has distributed nearly $1.2 billion in grants across areas including AI safety, biosecurity, animal welfare, and scientific research. It rebranded to Coefficient Giving in 2025 while maintaining its effective altruism-oriented grantmaking network.

Key Points

• •Founded in 2014 as a partnership between GiveWell and Good Ventures (Dustin Moskovitz/Cari Tuna); spun off as independent nonprofit in 2017 before rebranding as Coefficient Giving in 2025.
• •Nearly all funding comes from Facebook co-founder Dustin Moskovitz and Cari Tuna; combined grants across affiliated orgs total nearly $1.2 billion.
• •Includes a political arm (Open Philanthropy Action Fund) and is deeply connected to the effective altruism movement and EA-aligned grantmaking priorities.
• •Grantmaking expanded in 2017 to cover animal welfare, scientific research, epidemiology, foreign aid policy, and AI safety — making it a major funder in the AI safety ecosystem.
• •InfluenceWatch characterizes it as 'left-of-center,' reflecting its political and philanthropic orientation from a watchdog perspective.