Jackie Minor, Head of Representation, European Commission Representation in the UK

Wayne David, Labour MP for Caerphilly

Neil Carmichael, Conservative MP for Stroud

Sir Stephen Wall, former European adviser to the British Prime Minister

Baroness Julie Smith, Senior Lecturer, Department of Politics and International Studies, University of Cambridge

Timothy Kirkhope, Conservative MEP for Yorkshire and the Humber

Dr Tim Oliver, Dahrendorf Fellow on Europe-North America Relations, LSE Ideas

Professor Richard Whitman, Professor of International Relations, University of Kent

Graham Bishop, Independent Consultant on EU integration

Dr Adrian Pabst, Senior Lecturer in Politics, University of Kent