As a senior fellow at the Center for Global Development, David Evans focuses on education, health, and social protection issues. He teaches economic development at the Pardee RAND Graduate School of Public Policy, and he holds a Ph.D. in economics from Harvard University.Previously, David was lead economist in the Chief Economist's Office for the Africa Region of the World Bank, and is currently co-lead of the Teachers Thematic Group for the World Bank. Recent research includes “Teacher professional development around the world: The gap between evidence and practice,” and “What really works to improve learning in developing countries?” and he co-authored the World Bank’s "World development report 2018: Learning to realize education’s promise."David has designed and implemented impact evaluations in education, early child development, agriculture, health, and social protection in Brazil, the Gambia, Kenya, Mexico, Nigeria, Sierra Leone, and Tanzania, and he has managed education projects for the World Bank in Brazil.