Helmut Breitmeier teaches at the Institute for Political Science at Darmstadt University of Technology, Germany.

Oran R. Young is Distinguished Professor Emeritus at the Bren School of Environmental Science and Management at the University of California, Santa Barbara. He is the author of Institutional Dynamics: Emergent Patterns in International Environmental Governance (MIT Press) and other books.

Michael Zürn is Dean of the Hertie School of Governance and Director of the Transnational Conflicts and International Institutions program at the Social Science Research Center in Berlin.