Skip to content
Longterm Wiki

Coefficient Giving

Funder
Founded Jun 2017 (8 years old)HQ: San Franciscocoefficientgiving.org

Also known as: Open Philanthropy, OP

Divisions & Teams

16
NameTypeLeadTotal SpendingGrantsStatusSince

$120M committed over 3 years. Led by Matt Clancy. Economic growth, scientific progress, US-focused.

FundMatt Clancy$36M45ActiveMar 2025Verified

40+ grants totaling ~$20M. Led by Santosh Harish. Focus on South Asia and high-pollution areas.

FundSantosh Harish$21M33Active2022Verified

140+ grants totaling ~$260M. Led by Andrew Snyder-Beattie. Work began ~2015, five years before COVID-19.

FundAndrew Snyder Beattie$283M152Active2015Verified

Focused on reducing incarceration; wound down in 2022. ~$200M total grants.

Fund$209M395Dissolved2014Failed source check

Led by Melanie Basnak and Sam Donald. Support for CEA, 80,000 Hours, EA Funds, and community infrastructure.

FundMelanie Basnak, Sam Donald$28M39ActiveVerified

Led by Lewis Bollard. Corporate cage-free campaigns, alt-protein research, advocacy.

FundLewis Bollard$420M496Active2016Verified

30+ grants totaling ~$50M. Led by Benjamin Tereick. Forecasting infrastructure and research.

FundBenjamin TereickActive2018Failed source check

50+ grants totaling ~$30M. Led by Norma Altshuler. Encouraging generous and cost-effective international aid.

FundNorma Altshuler$29M57Active2018Verified

Covers AI safety, biosecurity, and other GCR-related grantmaking. 250+ grants across cause areas.

Program$535M307ActiveVerified

250+ grants across GCR cause areas and EA community capacity building

FundEli RoseActive2015Verified

$40M+ committed over 3 years. Led by Justin Sandefur. Policy research for economic growth in low/middle-income countries.

FundJustin Sandefur$5.8M6ActiveOct 2024Verified

360+ grants; largest fund. Primarily GiveWell-recommended charities; $175M committed for 2026 via GiveWell

FundJames SnowdenActive2014Verified

Covers global health, farm animal welfare, and scientific research. 360+ grants; largest program area.

Program$1.5B529ActiveVerified

$100-125M raised; 20+ grants. Multi-donor pooled fund with Gates Foundation, UNICEF, others.

FundActive2024Verified

480+ grants totaling ~$500M. Sub-areas: Technical Safety (Favaloro, O'Keeffe-O'Donovan), AI Governance (Muehlhauser), Short Timelines (Zabel). ~$63.6M in 2024 (~60% of all external AI safety funding).

FundClaire Zabel, Luke Muehlhauser, Peter Favaloro, Rossa O'Keeffe O'Donovan$543M333Active2017Verified

330+ grants + 30+ social investments ($90M+). Led by Jacob Trefethen. Treatments, vaccines, diagnostics.

FundJacob Trefethen$335M203Active2017Verified