CHRIS J. BICKERTON is Assistant Professor in International Relations at the University of Amsterdam, the NetherlandsVICKI L. BIRCHFIELD is Associate Professor in The Sam Nunn School of International Affairs at Georgia Tech, USA and Director of the European Union Center of ExcellenceANNIKA BJÖRKDAHL is an Associate Professor at the Department of Political Science, Lund University, SwedenTHOMAS DIEZ is Professor of Political Science and International Relations at the University of Tübingen, GermanyHISKI HAUKKALA is Special Adviser at the Unit for Policy Planning and Research, the Ministry for Foreign Affairs of Finland ANA E. JUNCOS is Lecturer in European Politics in the Department of Politics at the University of Bristol, UKIAN MANNERS is Professor at the Institute for Society and Globalisation, Roskilde University, DenmarkMARY MARTIN is a Research Fellow on the Global Security Programme at LSE Global Governance at the London School of Economics and Political Science, UKJAN ORBIE is Professor in the rank of lecturer at the Centre for EU Studies, Ghent University, BelgiumMICHELLE PACE is Senior Lecturer at the Department of Political Science and International Studies, University of Birmingham, UKMICHAEL SMITH is Professor of European Politics and Jean Monnet Chair in the Department of Politics, History and International Relations at Loughborough University, UKEMMA J STEWART is a Postdoctoral Researcher at the University of Bath, UK