
S2E372 - Elie Hassenfeld - (Approximately) Optimal Philanthropy
Published: August 28, 2025
Duration: 1:06:56
In this episode, we are joined by Elie Hassenfeld, Co-Founder and CEO of GiveWell to discuss how data, transparency, and moral trade-offs can guide charitable giving with maximum impact. Elie brings his background in finance and philosophy to the world of global philanthropy—explaining how GiveWell rigorously evaluates programs to determine which ones save or improve lives most effectively. We explore how GiveWell assesses cost-effectiveness, why transparency is a core organizational value, and how moral weights shape grantmaking priorities. Elie also opens up about the challenges of running a high-stakes nonprofit that directs nearly $400 million annually, why global health in...