Ms Jami MISCIK. CEO and Vice-chairman, Kissinger Associates.

Mr John BELLINGER III, Partner and Co-chair, Global Law & Public Policy, Arnold & Porter Kaye Scholer LLP.

Mr Cary A KOPLIN. Managing Director, Neuberger Berman LLC.

Mr Peter BASS. Chairman & CEO, and Chairman and CEO, Quberu

Mr George M NEWCOMBE. Formerly Partner, Simpson Thacher & Bartlett LLP.

The Honorable David AARON. Formerly Deputy National Security Advisor and Senior Fellow, RAND.

Mr James ARROYO OBE. Director, The Ditchley Foundation.

The Honorable Steven BIEGUN. Formerly Deputy Secretary of State 2019-2021.

The Honorable Joseph A CALIFANO, Jr. Founder and Chair Emeritus, The National Center on Addiction and Substance Abuse at Columbia University.

Ms. Heather A. CONLEY. President, German Marshall Fund of the United States.

Mr Edward COX. Chairman, The New York Republican State Committee.

Dr. Jeremy FIELDING.  Co-Chief Executive Officer of Kekst CNC.

Mr Francis FINLAY, CMG, OBE. Chairman Emeritus, EastWest Institute

Ambassador Anthony GARDNER. Senior Advisor, Brunswick Group; Former U.S. Ambassador to the European Union (2014-2017).

Mr James F HOGE, Jr. Senior Advisor, Teneo Intelligence. Formerly Chair, Human Rights Watch.

Sir John HOLMES, GCVO, KBE, CMG. Chairman, The Electoral Commission, International Rescue Committee UK. Formerly Director of The Ditchley Foundation. Formerly Under-Secretary-General for Humanitarian Affairs and Emergency Relief Coordinator at the United Nations, New York.

Professor A E Dick HOWARD. White Burkett Miller Professor of Law and Public Affairs, University of Virginia School of Law.

Mr Reuben JEFFERY III, Non- executive Chairman, Riverstone Credit (UK) Plc; former President and Chief Executive Officer, Rockefeller & Co.; former Undersecretary of State for Economic, Energy and Agricultural Affairs.

Ambassador Kenneth I. JUSTER. Formerly U.S. Ambassador to India (2017-2021).

Mr Robert G KAISER. Former Managing Editor, The Washington Post.

Ambassador Philip LADER, Partner, Nelson Mullins. Formerly US Ambassador to the Court of St James's.

The Honorable Donald F McHENRY. Distinguished Professor in Practice of Diplomacy, Edmund A. Walsh School of Foreign Service, Georgetown University.

Mr. Geoffrey MORRELL. Executive Vice President for Communications and Advocacy, BP. Formerly chief spokesperson for the U.S. Department of Defense.

Professor Joseph NYE. Harvard University Distinguished Service Professor, John F Kennedy School of Government. Director, Council on Foreign Relations, Washington.

Ambassador Thomas PICKERING. Vice-Chairman, Hills and Company.

Dr John E RIELLY. Life Member, Clare Hall, University of Cambridge, UK Adjunct Professor of Political Science, Department of Political Science, Northwestern University.

Mr David R RIEMER. Senior Fellow, Community Advocates Public Policy Institute.

Dr. Kori SCHAKE.  Director of Foreign and Defense Policy Studies, American Enterprise Institute.

Mr David SCHWIMMER. CEO, London Stock Exchange Group.

Dr Catherine WILLS. Trustee, The Ditchley Foundation

Mr Casimir A. YOST. Senior Fellow, Institute for Study of Diplomacy, Georgetown University; Formerly Director, Strategic Futures Group, National Intelligence Council.