The Rational Reminder Podcast

Episode 372: Elie Hassenfeld - (Approximately) Optimal Philanthropy

Aug 28, 2025
Elie Hassenfeld, Co-Founder and CEO of GiveWell, discusses the intersection of data, ethics, and philanthropy. He explains how GiveWell uses rigorous evaluations to maximize the impact of charitable giving, advocating for transparency and moral considerations in donor decisions. Elie shares insights into the challenges of directing nearly $400 million annually toward effective health initiatives, the often-overlooked global health interventions, and the philosophical dilemmas faced in prioritizing interventions that save lives versus improving incomes.
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ANECDOTE

Founding Story: From Finance Frustration

  • Elie left finance after struggling to find reliable charity impact data and started GiveWell in 2007.
  • Early charity calls produced vague answers and picture-heavy reports instead of evidence, motivating their mission.
INSIGHT

Scale Brings Impact And Responsibility

  • GiveWell scaled from tiny seed funding to directing roughly $395M in 2024 to recommended organizations.
  • That growth places GiveWell among the top private funders in global health and carries heavy responsibility.
INSIGHT

Radical Transparency As Trust Mechanism

  • Radical transparency builds donor trust by exposing reasoning, mistakes, and internal debates.
  • Elie argues donors should demand openness because most charities lack clear evidence of impact.
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