Nuno Limão, Ph.D., Columbia University 2001, is the Wallenberg Chair Professor at Georgetown University, which he joined in 2023. His primary research and teaching interests are in international trade, trade policy, and political economy. His work integrates theoretical and empirical work to examine a variety of issues, such as how governments choose among redistribution policies, the determinants of trade policy and trade agreements, the interaction between preferential and multilateral trade liberalization, and the effects of trade costs and geographic location. His current research examines how policy uncertainty affects firms and consumers, and how international institutions can manage it. Professor Limão is a research associate of the National Bureau of Economic Research and the Kiel Institute for the World Economy and an Associate Editor of the Journal of International Economics.