Mark Walsh is a Senior Research Associate at GiveWell, where he reviews the quality of GiveWell research and investigates cross-cutting questions that affect GiveWell's global health and development funding decisions. He holds a B.A. in Economics, an M.A. in Public Policy, and a Ph.D. in economics from Stanford University. Between his M.A. and Ph.D., he worked as a research associate at the Abdul Latif Jameel Poverty Action Lab. Mark's research focuses on how resource-poor communities learn about and adopt innovations, with a particular focus on digital finance and early childhood development.