Volker Rittberger ( ) was Emeritus Professor of Political Science and International Relations at the Institute of Political Science, University of Tubingen, Germany.
Bernhard Zangl is Professor of Global Governance and Public Policy at the Ludwig Maximilian University of Munich, Germany.
Andreas Kruck is an Assistant Professor in International Relations and Global Governance at the Ludwig Maximilian University of Munich, Germany.
Hylke Dijkstra is Director of the MA in European Studies at Maastricht University, the Netherlands.