Edited by Justine Lacroix, Professor, Université Libre de Bruxelles, and Kalypso Nicolaïdis, Professor of International Relations, University of Oxford and Fellow of St Antony's College

Justine Lacroix is the author of Michaël Walzer. Le pluralisme et l'universel (2001), Communautarisme versus libéralisme. Quel modèle d'intégration politique? (2003) ; L'Europe en procès. Quel patriotisme au-delà des nationalismes? (2004) and La pensée française à l'épreuve de l'Europe (2008). Her publications appear in numerous journals including Political Studies, European Journal of Political Theory, Politics, European Political Science, Critique, Raison publqiue, Politique européenne, Ethique publique. She is Professor of Politics at Université libre de Bruxelles.

Kalypso Nicolaïdis is a member of the EU reflection group on the Future of Europe (2020-2030) chaired by Felipe Gonzales. She was associate professor at the Kennedy School of Government, Harvard University and has also held visiting professorships around Europe. Her publications appear in numerous journals including Foreign Affairs, Foreign Policy, the Journal of Common Market Studies, Politique Etrangere, and Raison Publique. Her books include The Federal Vision (OUP), In the Long Shadow of Europe (Brill); and Mediterranean Frontiers: Borders, Memory and Conflict in a Transnational Era (IB Tauris).

Daniel Barbu is Professor of Political Science and Director of the graduate school of political science at the University of Bucharest.
Antonio Barroso is a graduate student at the School of International and Public Affairs, Columbia University.
Muriel Blaive is a historian and project leader at the Ludwig Boltzmann Institute for European History and Public Spheres in Vienna, Austria.
Francis Cheneval is currently visiting Professor of Political Theory at the Université libre de Bruxelles and lecturer at the University of Geneva.
Carlos Closa is a Professor at CSIC-Madrid. He has been Deputy Director at the Centre for Political and Constitutional Studies (CEPC), Madrid and member of the Venice Commission for Democracy through Law of the Council of Europe.
Juan Díez Medrano is a Professor at the University of Barcelona and a Senior Researcher at the IBEI.
Nora Fisher Onar obtained her DPhil in International Relations from the University of Oxford, and is currently a faculty member of the Department of Political Science and International Relations of Bahçeehir University in Istanbul, Turkey.
John Erik Fossum is Professor of Political Science at ARENA, Centre for European Studies, University of Oslo, Norway.
Michael Freeden is Professor of Politics, Director of the Centre for Political Ideologies at the University of Oxford, and Professorial Fellow of Mansfield College, Oxford.
Magdalena Góra, received her MA and PhD in Political Science from the Jagiellonian University, Krakow.
Katy Hayward is Lecturer in Sociology in the School of Sociology, Social Policy and Social Work, Queen's University Belfast.
Cathrine Holst is Senior Researcher at ARENA - Centre for European Studies and Postdoctoral Fellow at Department of Sociology and Human Geography, University of Oslo.
Ahmet Evin, currently senior fellow at the Transatlantic Academy, Washington, DC, and visiting scholar at the Johns Hopkins University, teaches at Sabanci University, where he was the founding dean of Faculty of Arts and Social Sciences, and a founding member of Istanbul Policy Center.
Justine Lacroix is Professor of Political Science at the Université libre de Bruxelles.
Ulrike Liebert is Professor of Political Science, Jean Monnet Chair and Director of Centre for European Studies, University of Bremen.
Zdzislaw Mach is Professor of Sociology at the Jagiellonian University, Krakow, specializing in social anthropology and European studies.
Nicolas Maslowski is lecturer in Sociology at Charles University and Head of the Collegium Minor in Praha.
Jan-Werner Müller teaches in the Politics Department, Princeton University, and directs the Project in the History of Political Thought, University Center for Human Values, Princeton University.
Kalypso Nicolaïdis is Professor of International Relations at Oxford and a member of the EU reflection group on the Future of Europe (2020-2030).
George Pagoulatos is Associate Professor of Politics at the Department of International and European Economic Studies of the Athens University of Economics, and a Visiting Professor at the College of Europe in Bruges.
Janie Pélabay is a FNR-funded researcher in political science and philosophy within the European Governance Program at the University of Luxembourg.
Mario Telò is Vice-President of the Institute of European Studies, Université Libre de Bruxelles and Professor of Political Science, International Relations as a Honorary 'J.Monnet Chair' at the ULB.
Georgios Varouxakis is Reader in History at Queen Mary, University of London.
Xenophon Yataganas received PhD degrees from the Universities of Athens and Paris in European Law and Philosophy of Law respectively.