Conservative Party

• Tariq Ahmad – businessman and former Vice Chairman of the Conservative Party
• Sir Robert Balchin DL –  Pro-Chancellor of Brunel University
• Elizabeth Berridge – Director of the Conservative Christian Fellowship
• Sir Michael Bishop CBE – career in civil aviation, Chairman of The Michael Bishop Foundation a charitable foundation
• Alistair Cooke OBE – career in education, authorship and politics
• Sir Patrick Cormack – former Conservative MP
• Michael Dobbs – author, presenter and adviser to Margaret Thatcher and John Major
• Robert Edmiston – businessman and charity campaigner
• Sir Reg Empey OBE – Leader of the Ulster Unionist Party 2005 – 2010
• Andrew Feldman – businessman and Co-Chairman of the Conservative Party
• Julian Fellowes DL – actor, novelist, film director and screenwriter
• Stanley Fink – Chief Executive of International Standard Asset Management and Chairman of Earth Capital LLP.  Treasurer of the Conservative Party
• Howard Flight – career in finance; held various positions in Conservative Shadow Cabinet, Deputy Chairman of the Conservative Party 2004 -2005
• David Gold – senior litigation partner at Herbert Smith LLP
• Michael Grade CBE – past Chief Executive of Channel 4 Television and former Executive Chairman of ITV plc
• Rachael Heyhoe-Flint OBE DL – past captain of England women’s cricket team, currently public relations and sports marketing consultant
• Anne Jenkin – charitable and political work for the Conservative Party
• Sir Michael Lord – former Conservative MP and former Deputy Speaker of the House of Commons
• Rt Hon David Maclean – former Conservative MP; held a number of Ministerial posts; Opposition Chief Whip 2001 – 2005
• George Magan – career in finance; former Conservative Party Treasurer and Deputy Chairman of the Conservative Party Foundation
• Sir Bernard Ribeiro CBE FRCS – retired Consultant General Surgeon; member of the Health Policy Research Advisory Board of the American College of Surgeons
• Fiona Shackleton LVO – lawyer specialising in family law
• Richard Spring – former Conservative MP
• Tina Stowell MBE – former Head of BBC corporate Affairs; past Deputy Chief of Staff to William Hague as Leader of HM Opposition
• Nicholas True CBE – past Deputy Head of the PM’s Policy Unit; former Private Secretary to the Leader of the Opposition in the House of Lords; Leader of Richmond Borough Council
• Patience Wheatcroft – Editor-in-Chief of the Wall Street Journal Europe
• Gordon Wasserman – internationally recognised expert on management of police forces

“Cross Bench”

General Sir Richard Dannatt GCB CBE MC DL, Former Chief of the General Staff.

Liberal Democrat Party

• Dr Sarah (Sal) Brinton – Executive Director of the Association of Universities in the East of England
• Dee Doocey OBE – Chair of the London Assembly
• Qurban Hussain – Deputy Group Leader of the Liberal Democrat group on Luton Borough Council
• Judith Jolly – Chair of Executive Committee of Liberal Democrats in Devon and Cornwall
• Susan Kramer – former Liberal Democrat MP
• Raj Loomba – businessman and campaigner for widows’ rights
• Jonathan Marks – commercial and family law QC with specialist interest in human rights and constitutional reform
• Monroe Palmer OBE – Liberal Democrat Councillor and Chair of Liberal Democrat Friends of Israel
• Jenny Randerson – Liberal Democrat Member of the National Assembly for Wales for Cardiff Central, former Minister in the Welsh Assembly Government
• John Sharkey – Chairman of the Liberal Democrat 2010 General Election campaign
• Nicol Stephen – Former Deputy First Minister of Scotland (2005 – 2007) and leader of the Scottish Liberal Democrats (2005 – 2008)
• Ben Stoneham – Liberal Democrat HQ Operations Director
• Mike Storey CBE – Primary School Head teacher, former Leader of Liverpool City Council, Liberal Democrat Councillor and former Lord Mayor of Liverpool;
• Paul Strasburger – businessman and philanthropist
• Claire Tyler – Chief Executive of Relate

Labour Party

• Dame Joan Bakewell DBE – writer and broadcaster
• Ray Collins –  General Secretary of the Labour Party
• Maurice Glasman – Senior Lecturer in political theory at London Metropolitan University and for his work with London Citizens
• Jonathan Kestenbaum – businessman and Chief Executive of National Endowment for Science, Technology and the Arts
• Oona King – Head of Diversity at Channel 4 Television and former Labour MP; currently journalist and presenter
• Ruth Lister – Emeritus Professor of Social Policy at Loughbrough University
• Eluned Morgan – former Labour MEP representing Mid and West Wales;  currently Honorary Distinguished Professor at Cardiff University and for her work on low carbon energy
• Sir Gulam Noon MBE – Chairman and Founder of Noon Products and of the Noon Foundation
• Stewart Wood – former Downing Street and HMT special adviser, lecturer at University of Oxford; previously Fellow of Magdalen College and co-founder of Nexus
• Bryony Worthington – career focusing on promoting environmental and social change

Plaid Cymru

• Rt Hon Dafydd Wigley – former Leader of Plaid Cymru; Honorary President of Plaid Cymru