Harvard Effective Altruism – 10/13/14: GiveWell Co-Founder Elie Hassenfeld October 7, 2014October 7, 2014 Nir Eyal Behavioral Economics, Charity, Events, Global Health, Human Rights, Nir Eyal Share this:Click to share on Facebook (Opens in new window)Click to share on Twitter (Opens in new window)Click to share on LinkedIn (Opens in new window)Click to print (Opens in new window) Related