Christopher Ansell is an Associate Professor of Political Science at the University of California, Berkeley, and holds a Ph.D. in Political Science from the University of Chicago. His research focuses on understanding conflict and cooperation in interorganizational and intergovernmental systems. He is the author of Schism and Solidarity in Social Movements (Cambridge, 2001) and co-editor of Restructuring Territoriality: Europe and the United States Compared (Cambridge, 2004) and What's the Beef? The Contested Governance of European Food Safety (MIT Press, 2006).