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#GiveWell

4 entries

People (3)

  • Alexander Berger Stanford-trained GiveWell researcher who cofounded Open Philanthropy, became its co-CEO in 2021 and sole CEO in 2023, and holds the same titles at its 501(c)(4) Action Fund.
  • Elie Hassenfeld Former Bridgewater analyst who cofounded GiveWell with Holden Karnofsky in 2007, has run it since, sat on Open Philanthropy's early leadership team and was a director of its Action Fund.
  • Rob Reich Stanford political scientist who sat on the GiveWell board from 2013, wrote in 2015 that effective altruists are technocrats, and was senior advisor to the U.S. AI Safety Institute in 2024 and 2025.

Organizations (1)

  • GiveWell GiveWell is a charity evaluator founded in 2007 by former Bridgewater Associates analysts Holden Karnofsky and Elie Hassenfeld, whose cost-effectiveness rankings of global-health charities and whose GiveWell Labs project, funded by Good Ventures, became Open Philanthropy.