- The Lord Bilimoria of Chelsea, CBE, DLChairman, Cobra Beer Partnership Ltd
- The Rt Hon. Baroness Virginia Bottomley, DLFormerly Secretary of State for Health and for National Heritage
- Sir Rodric Braithwaite, GCMGFormerly British Ambassador to Russia.
- Lord Cameron of Chipping Norton, PCSecretary of State for Foreign, Commonwealth and Development Affairs
- The Lord Chadlington of DeanChief Executive, Huntsworth plc
- Mr Robert Cooper, KCMG, MVOFormerly Diplomat for the UK to the European Union
- Sir Simon Fraser, GCMGManaging Partner, Flint Global Ltd. Formerly Permanent Under Secretary and Head of the Diplomatic Service.
- The Rt Hon. Sir Lawrence Freedman, KCMG, CBE, FBA, FKCEmeritus Professor of War Studies, King's College London.
- Professor Timothy Garton Ash, CMGProfessor of European Studies, University of Oxford and Isaiah Berlin Professorial Fellow, St Antony's College, Oxford.
- Dr Nik GowingInternational Broadcaster; Visiting Professor, Kings College, London. Founder and Director Thinking the Unthinkable
- Professor Sir Malcolm Grant, CBE, MA, LLDChairman, The PLuS Alliance. Former Chairman, NHS England.
- Sir Jeremy Greenstock, GCMGChairman, Gatehouse Advisory Partners Ltd. Former diplomat and Director of The Ditchley Foundation.
- Sir Christopher Greenwood, GBE, CMG, KCMaster, Magdalene College, Cambridge
- The Rt Hon. Dominic Grieve KCFormerly Member of Parliament for Beaconsfield (1997-2019); Attorney General
- The Lord Hannay of Chiswick, GCMG, CHFormerly Ambassador and UK Permanent Representative to the EU and UN
- Dr Rita E. HauserPresident, The Hauser Foundation.
- Professor The Lord Hennessy of Nympsfield FBAAttlee Professor of Contemporary British History, Queen Mary, University of London
- Sir John Holmes, GCVO, KBE, CMGTrustee of the British Red Cross. Formerly Director, The Ditchley Foundation.
- Mr Will HuttonPresident of the Academy of Social Sciences; Co-chair the Purposeful Company
- Rt Hon Jo JohnsonExecutive Chairman, FutureLearn
- Mr Andrew KnightConsultant to Times Newspapers (ex-Chairman)
- Mr Axel KrauseParis- based Contributing Editor of TransAtlantic Magazine, Washington, DC, and formerly Ditchley Representative in France
- Ms Rachel LomaxDeputy Chair, British Council
- Mr Pierre Lortie CM, FCAESenior Business Advisor, Dentons Canada LLP
- The Honorable Roy MacLaren, PCFormerly Canadian High Commissioner to the United Kingdom and Minister of Trade.
- Ms Bronwen MaddoxDirector & CEO, Chatham House
- The Rt Hon Sir John Major, KG, CHFormer Prime Minister of the United Kingdom and Northern Ireland.
- Sir David Manning, GCMG, KCVOFormerly British Ambassador to the United States of America
- The Rt Hon. Lord Maude of HorshamFormerly Minister of State for Trade and Investment, Foreign and Commonwealth Office and Department for Business, Innovation and Skills
- The Rt Hon David MilibandPresident and CEO, International Rescue Committee. Formerly Secretary of State for Foreign and Commonwealth Affairs.
- The Rt Hon. Michael MooreDirector General, British Private Equity & Venture Capital Association (BVCA); Formerly Secretary of State for Scotland.
- Mr Glen R MorenoDirector, Fidelity International Limited.
- Sir Richard Mottram, GCBVisiting Professor, LSE; formerly Permanent Secretary, UK Civil Service.
- Mr Paul NewmanFormer Chairman, ICAP Energy; Director, JC Rathbone Associates Ltd.
- The Rt Hon. Baroness Neville-Jones of Hutton Roof DCMGFormerly Minister of State for Security
- Mrs Elizabeth PadmoreChair, British Red Cross
- The Rt Hon Lord Patten of Barnes, CHChancellor of Oxford University. Formerly Member of the European Commission and Governor of Hong Kong.
- Sir Trevor Phillips OBEDirector, Webber Phillips Limited; Chair, Green Park Interim and Executive Search; Chair, Index on Censorship; Columnist, The Times
- The Rt Hon. Baroness Prashar of Runnymede, CBEFormerly Chair of the Judicial Appointment Commission First Civil Service Commissioner
- Lord Rees of Ludlow, OM, FRS, Hon. FBAAstronomer Royal. Formerly Master, Trinity College, Cambridge University.
- General The Lord Richards of Herstmonceux GCB, CBE, DSO, DLFormerly Chief of the Defence Staff and operational commander.
- The Lord Ricketts, GCMG GCVOFormer Permanent Secretary in the Foreign Office, National Security Adviser and Ambassador to France
- The Rt Hon Sir Malcolm Rifkind, KCMG, KCVisiting Professor, Department of War Studies, King's College, London
- The Rt Hon. Lord Robertson of Port Ellen, KT, GCMG, Hon FRSE, PCSpecial Adviser to BP plc. Formerly Secretary General, NATO, and Secretary of State for Defence.
- Sir John Sawers, GCMGExecutive Chairman, Newbridge Advisory
- Sir Nigel Sheinwald, GCMGChairman, Royal Institute of International Affairs
- Sir Martin SmithFounder of Smith School of Enterprise and the Environment, Oxford University
- Dr Constanze StelzenmüllerRobert Bosch Senior Fellow, Brookings Institution
- Mr Philip StephensVisiting Senior Fellow, School for Transnational Governance of the European University Institute, Florence
- The Rt Hon. Rory Stewart, OBEPresident of GiveDirectly and Former Secretary of State for International Development
- The Rt Hon Jack StrawFormerly Foreign Secretary, Home Secretary and Lord Chancellor
- Ms Jo Swinson CBEDirector, Partners for a New Economy
- Sir Paul TuckerResearch Fellow, Harvard Kennedy School
- Sir John Vereker, KCB, KStJFormer Permanent Secretary for International Development
- Dr Diana Walford, CBE, MD, BSc MSc FRCP, FRCPath, FFPHChair, Board of Trustees, Inner Circle Educational Trust
- Mr Simon Webb, FICEExecutive Director, The Nichols Group.
- Mr John Weston, CBE, MEng, FRAEng, FRAesFormerly: CEO, BAE Systems
- The Rt Hon. the Lord Willetts, FRS HonFRSC FAcSSChair, Resolution Foundation; Visiting Professor, King's College, London. Formerly Minister for Universities and Science.
- Professor Ngaire WoodsDean, The Blavatnik School of Government.
- Professor Sir Robert Worcester, KBE, DLChairman, Magna Carta 800th Anniversary Commemoration Committee. Founder, MORI.