Charles Kupchan is a senior fellow at the Council on Foreign Relations specializing in NATO relations and a professor of international affairs at Georgetown University in the Walsh School of Foreign Service and Government department. From 2014 to 2017, Kupchan served as special assistant to the president and senior director for European affairs on the staff of the National Security Council in the Obama administration and director for European affairs during the first Clinton administration. Before joining the National Security Council, he worked in the U.S. Department of State on the policy planning staff. Previously, he was an assistant professor of politics at Princeton University, the Henry A. Kissinger scholar at the Library of Congress, a fellow at the Woodrow Wilson International Center for Scholars, and a senior fellow at the Transatlantic Academy. He is the author of ten books and numerous articles on international and strategic affairs. He served as a visiting scholar at Harvard University’s Center for International Affairs, Columbia University’s Institute for War and Peace Studies, the International Institute for Strategic Studies in London, the Centre d’Étude et de Recherches Internationales in Paris, and the Institute for International Policy Studies in Tokyo.