He also serves as the Director of the Mortara Center for International Studies at Georgetown, is a senior editor at International Studies Quarterly, and chairs the European Studies Association. He received his Ph.D. from the University of California, Berkeley. His research focuses on how economic interdependence and globalization has changed international politics. Some of his works are Voluntary Disruptions: International Soft Law, Finance, and Power with Elliot Posner and ​Protectors of Privacy: Regulating Personal Data in the Global Economy.