Stephen J. Redding is the Harold T. Shapiro *64 Professor in Economics in the Department of Economics and School of Public and International Affairs at Princeton University. Redding also is the director of the International Trade and Investment (ITI) Program of the National Bureau of Economic Research (NBER), and a Research Fellow of the Centre for Economic Policy Research (CEPR). Prior to joining Princeton University, he was a Professor in Economics at the London School of Economics and the Yale School of Management. His research interests include international trade, economic geography, and productivity growth. Recent work has been concerned with heterogeneous firms, multi-product firms, the distributional consequences of globalization, agglomeration forces, and transport infrastructure improvements. He was awarded the Frisch Medal in 2018, the Bhagwati Prize in 2017, a Global Economic Affairs Prize from the Kiel Institute for the World Economy in 2008, and a Philip Leverhulme Prize Fellowship during 2001-4. Redding received his D.Phil. in Economics from Nuffield College, University of Oxford and his First Class Honours Degree in Philosophy, Politics and Economics (PPE) from Magdalen College, University of Oxford.