Sinan Ülgen is a visiting scholar at Carnegie Europe in Brussels, where his research focuses on the implications of Turkish foreign policy for Europe and the United States, nuclear policy, and the security and economic aspects of the transatlantic relations. He is a founding partner of Istanbul Economics, a Turkish consulting firm that specializes in public and regulatory affairs, and chairman of the Center for Economics and Foreign Policy Studies, an independent think tank in Istanbul. Ülgen has served in the Turkish Foreign Service in several capacities: in Ankara at the United Nations desk (1990–1992); in Brussels at the Turkish Permanent Delegation to the European Union (1992–1996); and at the Turkish embassy in Tripoli (1996). He is a regular contributor to Turkish dailies, and his opinion pieces have been published in the International Herald Tribune, the Financial Times, the Wall Street Journal, European Voice, and Le Figaro. He was a member of the international security experts group set up by NATO Secretary General Anders Fogh Rasmussen and tasked with preparing a report on the transatlantic relationship in advance of NATO’s September 2014 summit. He is the author of The European Transformation of Modern Turkey with Kemal Derviş (Centre for European Policy Studies, 2004) and Handbook of EU Negotiations (Bilgi University Press, 2005).