Spencer MacColl is the Director of Impact at Kiva. He is passionate about estimating the social impact of investments, conducting research studies with Kiva's partners, and supporting innovation in impact evaluation. He previously worked at the World Bank's Africa Gender Innovation Lab, implementing impact evaluations in Tanzania, and also worked with the Center for Responsive Politics, investigating trends in political campaign donations. Spencer holds an M.S. in International and Development Economics from the University of San Francisco and a B.A. in Economics and Government from Claremont McKenna College.