Reed Walker is an assistant professor in Business and Public Policy at the University of California - Berkeley's Haas School of Business. Prior to joining the Haas School of Business, he was a Robert Wood Johnson Scholar in Health Policy at the University of California - Berkeley. He received his PhD in economics from Columbia University in 2012. His research explores the social costs of environmental externalities such as air pollution and how regulations to limit these externalities interact with firm decision making.

He joined IZA as a Research Fellow in August 2014.