I am the MBA Class of 1960 Associate Professor of Business Administration in the Entrepreneurial Management Unit at Harvard Business School, and a Faculty Affiliate of the Harvard Department of Economics. I am also an Affiliate of the Harvard Center of Mathematical Sciences and Applications, an Associate of the Harvard Center for Research on Computation and Society, and a Research Economist at the National Bureau of Economic Research. I serve as an Associate Editor of Management Science and Journal of Mechanism and Institution Design, and periodically write for Bloomberg Opinion.