Sebastian Oberthür is Academic Director of the Institute for European Studies at Free University Brussels and the coeditor (with Thomas Gehring) of Institutional Interaction in Global Environmental Governance: Synergy and Conflict among International and EU Policies (MIT Press, 2006)

Olav Schram Stokke is Professor of Political Science at the University of Oslo and Research Professor at the Fridtjof Nansen Institute. He is coeditor of Managing Institutional Complexity: Regime Interplay and Global Environmental Change (MIT Press, 2011) and International Cooperation and Arctic Governance (2010, Chinese edition 2014) as well as editor of Governing High Seas Fisheries: The Interplay of Global and Regional Regimes.