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Full-time staff
Elie Hassenfeld | Co-Founder and Executive Director. Elie graduated from Columbia University in 2004 with a degree in Religion, and spent the next several years in the hedge fund industry. He co-founded GiveWell in mid-2007.
Natalie Crispin | Senior Research Analyst. Natalie graduated from Swarthmore College in 2009 with a degree in Economics. She joined GiveWell in July 2009.
Josh Rosenberg | Senior Research Analyst. Josh graduated from Pomona College in 2013 with a BA in Philosophy and Economics. He joined GiveWell in July 2013.
Devin Jacob | Operations Associate. Devin graduated from UC Berkeley in 2005 with a BA in History. He received an MA in History from New York University in 2012. In addition to teaching history to college students, he has worked as a bibliographer, used book seller, geology lab assistant, and commercial salmon fisherman. He joined GiveWell in September 2014.
Sophie Monahan | Research Analyst. Sophie graduated from MIT in 2011 with a degree in Philosophy and Physics. She spent one year at Harvard Management Company and two years in the Philosophy PhD program at the University of Michigan before joining GiveWell in May 2015.