LAURIE BOUSSSAGUET is Lecturer and Research Fellow at the Centre de Recherches Sociologiques sur le Droit et les Institutions Pénales (CESDIP) at the University of Versailles/Saint-Quentin en Yvelines, France OLIVIER COSTA is CNRS Research Fellow at the Institut d'études politiques de Bordeaux, and Professor of Political Science at the Université Libre de Bruxelles and at the College of Europe, Bruges, Belgium LAURA CRAM is Reader in Politics in the Department of Government at the University of Strathclyde, United Kingdom JOLYON HOWORTH is Jean Monnet Professor of European Politics ad personam and Emeritus Professor of European Studies at the University of Bath, UK, and Visiting Professor of Political Science and International Affairs at Yale University, United States SOPHIE JACQUOT is Research Fellow and Scientific Coordinator at the Centre d'études européennes, Sciences Po, Paris, France DIRK JUNGE is a Ph.D. Candidate in Political Science at the University of Mannheim, Germany THOMAS KÖNIG is Professor of Political Science at the University of Mannheim, Germany GIANDOMENICO MAJONE is Emeritus Professor of Public Policy at the European University Institute, Florence, Italy JÖRG MONAR is Professor at the Sussex European Institute, Brighton, UK, and Professor and Director of Studies at the College of Europe, Bruges, Belgium PHILIPPE POCHET is the General Director of the European Trade Union Institute (ETUI), Brussels and Visiting Professor at the Universitécatholique de Louvain, Belgium SUSANNE K. SCHMIDT is Professor of Political Science at the University of Bremen, Germany JONATHAN ZEITLIN is Professor of Public Policy and Governance in the Department of Political Science at the University of Amsterdam, Netherlands