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Jaan Tallinn

Also known as: Tallinn

Co-founder of Skype (2003); co-founder of Centre for the Study of Existential Risk (CSER, 2012) and Future of Life Institute (FLI, 2014); primary funder of Survival and Flourishing Fund (SFF) and Lightspeed Grants; major philanthropic donor to AI safety research
Current Role
Founder and philanthropist; primary funder of SFF (Survival and Flourishing Fund) and Lightspeed Grants
Born
1972
Age ~54
Net Worth
$900M
as of 2025

Organization Roles2

Co-Founder
2012 – present
Funder & Initiative Committee Member

Board Seats1

Education

University of Tartu; Gustav Adolf Grammar School

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Quick Assessment

DimensionAssessmentEvidence
Giving ScaleMajor Individual Donor$51M in 2024; $150M+ estimated lifetime
Primary VehicleSurvival and Flourishing Fund (SFF)S-process algorithmic allocation; $34.33M distributed in a 2025 grant round
AI Safety Focus≈86% of givingRemainder: biosecurity (≈7%), forecasting, fertility, longevity, other GCR
Wealth SourceTech Exits + InvestmentsSkype (sold 2005), Kazaa; DeepMind (acquired 2014); Anthropic Series A (2021)
Organizations FoundedCSER, FLICentre for the Study of Existential Risk (Cambridge, 2012); Future of Life Institute (2014)
SourceLink
Wikipediaen.wikipedia.org
LessWrong2024 Philanthropy Overview
FLI Profilefutureoflife.org

Links

Facts

8
Financial
Equity Pledge Fraction90%
Philanthropy
EA Alignment Estimate90%–95%
People
Role / TitleFounder and philanthropist; primary funder of SFF (Survival and Flourishing Fund) and Lightspeed Grants
Biographical
Notable ForCo-founder of Skype (2003); co-founder of Centre for the Study of Existential Risk (CSER, 2012) and Future of Life Institute (FLI, 2014); primary funder of Survival and Flourishing Fund (SFF) and Lightspeed Grants; major philanthropic donor to AI safety research
Net Worth$900M
Wikipediahttps://en.wikipedia.org/wiki/Jaan_Tallinn
EducationUniversity of Tartu; Gustav Adolf Grammar School
Birth Year1972