| GREENFIELD, James William ACTIVE | Secretary | 02 Aug 2021 | | | | 10, Bressenden Place, London, SW1E 5DN, United Kingdom |
| BARRETT, Charles Roland Strange ACTIVE | Director | 28 May 2010 | | England | January 1969 | 10, Bressenden Place, London, SW1E 5DN, United Kingdom |
| CLAYTON, Neil Richard ACTIVE | Director | 03 Jun 2026 | | United Kingdom | October 1978 | 10, Bressenden Place, London, SW1E 5DN, United Kingdom |
| KACHHELA, Jiten Vinodrai ACTIVE | Director | 18 Jun 2026 | | United Kingdom | January 1980 | 10, Bressenden Place, London, SW1E 5DN, United Kingdom |
| MEAD, Richard William ACTIVE | Director | 03 Jun 2026 | | United Kingdom | October 1973 | 10, Bressenden Place, London, SW1E 5DN, United Kingdom |
| DADSWELL, Lisa RESIGNED | Secretary | 08 Feb 2011 | 30 Oct 2012 | | | 123 Buckingham Palace Road, London, SW1W 9SR |
| DRABBLE, Maxine Frances RESIGNED | Secretary | 01 Jul 1996 | 27 Jan 2006 | | | 110 Croxted Road, Dulwich, London, SE21 8NR |
| FERRARIO, Anne RESIGNED | Secretary | | 21 Jun 1996 | | | 10 Russell Hill, Purley, Surrey, CR8 2JA |
| GERRARD, Timothy John RESIGNED | Secretary | 21 Jun 1996 | 01 Jul 1996 | | | 31 Old Barber, Harrogate, North Yorkshire, HG1 3DF |
| GREENFIELD, James William RESIGNED | Secretary | 01 Jul 2016 | 26 Jun 2020 | | | 10, Bressenden Place, London, SW1E 5DN, United Kingdom |
| JANJUAH, Kully RESIGNED | Secretary | 27 Jan 2006 | 08 Feb 2011 | | | 123 Buckingham Palace Road, London, SW1W 9SR |
| KING, Robert Gaius RESIGNED | Secretary | 30 Oct 2012 | 01 Jul 2016 | | | 123 Buckingham Palace Road, London, SW1W 9SR |
| MILLER, Bridget RESIGNED | Secretary | 06 Jun 2011 | 27 Feb 2012 | | | 123 Buckingham Palace Road, London, SW1W 9SR |
| WARNER, William RESIGNED | Secretary | 20 Jul 2020 | 12 Jul 2021 | | | 10, Bressenden Place, London, SW1E 5DN, United Kingdom |
| ASHER, Jeremy Benjamin Gerald RESIGNED | Director | 17 Apr 1998 | 07 Sep 2001 | | July 1958 | 63 Ladbroke Grove, London, W11 2PD |
| BARLOW, Ian Edward RESIGNED | Director | 06 Jun 2008 | 24 Jun 2008 | United Kingdom | September 1951 | Kpmg Llp, 8 Salisbury Square, London, EC4Y 8BB |
| BROK, Thorkild RESIGNED | Director | | 31 Dec 1993 | | May 1943 | Lundtofteve 1a, Dk - 2800 Lyngby, FOREIGN, Denmark |
| BUCKLEY, John Valentine RESIGNED | Director | 05 Mar 1999 | 03 Dec 2004 | | April 1947 | 5 Willow View, Ware, Hertfordshire, SG12 9FJ |
| CAMERON, Ruairidh Gregor RESIGNED | Director | 19 Dec 2017 | 29 Nov 2021 | England | July 1975 | 10, Bressenden Place, London, SW1E 5DN, United Kingdom |
| CHAFFEY, Nicholas John RESIGNED | Director | 08 Jun 2007 | 24 Jun 2008 | England | March 1969 | The White Cottage, Marley Heights Kingsley Green, Haslemere, Surrey, GU27 3LU |
| COHEN, Ivor Harold, Sir RESIGNED | Director | | 20 Apr 2001 | | April 1931 | 24 Selborne Road, Croydon, Surrey, CR0 5JQ |
| COLVIN, John RESIGNED | Director | | 01 Mar 1995 | | January 1948 | 4a Lagonda Avenue, Killara 2071, New South Wales, Australia |
| COPPING, Peter RESIGNED | Director | 26 Mar 1993 | 17 Apr 1998 | | January 1947 | 12 Waldens Park Road, Horsell, Surrey, GU21 4RN |
| COULTER, David John RESIGNED | Director | | 15 Dec 1995 | | April 1935 | 4 Stuarts Meadow, Graffham, Petworth, West Sussex, GU28 0QE |
| FODEN, Arthur John RESIGNED | Director | | 29 Sep 1995 | | October 1939 | Worleys Hill, Upper Culham, Reading, Berkshire, RG10 8PA |
| GARDNER, Adrian David Edmund RESIGNED | Director | 24 Jun 2008 | 07 Mar 2011 | England | May 1962 | 123 Buckingham Palace Road, London, SW1W 9SR |
| GILBERT, Anthony Francis RESIGNED | Director | 27 Mar 1995 | 16 Apr 1999 | | April 1946 | 18 Fairway Drive, Princeton Junction, Nj 08550 Usa, FOREIGN |
| GORDON, Matthew Millar RESIGNED | Director | 25 Jul 2013 | 19 Dec 2017 | United Kingdom | August 1974 | 10, Bressenden Place, London, SW1E 5DN, United Kingdom |
| HALBERSTADT, Victor, Professor RESIGNED | Director | 01 Jul 2000 | 24 Jun 2008 | Netherlands | June 1939 | Amstel 216, 1017 Aj, Amsterdam, FOREIGN, The Netherlands |
| HAYES, Nicholas John Gardner RESIGNED | Director | 05 Mar 1999 | 07 Dec 2001 | | September 1954 | 9 Clarendon Road, London, W11 4JA |
| HOOKE, Andrew Maitland RESIGNED | Director | 09 Dec 2005 | 24 Jun 2008 | England | January 1962 | Warren Pines, Warren Road Coombe, Kingston Upon Thames, Surrey, KT2 7HN |
| HOUSTON, Brian Gilchrist RESIGNED | Director | 26 Mar 1993 | 31 Dec 1993 | | December 1948 | Rheingaustrasse 131, 6200 Wiesbzden - Biebrich, Midlothian, EH9 2LQ |
| HUGHES, Nicholas James RESIGNED | Director | 05 Mar 2004 | 01 Jan 2006 | United Kingdom | July 1955 | The Grange 20 The Village, Orton Longueville, Peterborough, Cambridgeshire, PE2 7DP |
| JANJUAH, Kully RESIGNED | Director | 24 Jun 2008 | 03 Jun 2026 | England | July 1968 | 10, Bressenden Place, London, SW1E 5DN, United Kingdom |
| JOHNSTON, Byram RESIGNED | Director | 06 Mar 1998 | 10 Dec 1998 | | March 1951 | 16 Park Avenue, Gordon, Nsw2072 Australia |
| JUDGE, Barbara Singer, Lady RESIGNED | Director | 09 Dec 2005 | 24 Jun 2008 | England | December 1946 | 88 The Panoramic, 152 Grosvenor Road, London, SW1V 3JL |
| KELLY, Patrick William RESIGNED | Director | 03 Dec 2004 | 08 Jun 2007 | England | July 1953 | 7 Anglefield Road, Berkhamsted, Hertfordshire, HP4 3JA |
| LAMBE, William Anthony RESIGNED | Director | 20 May 2022 | 18 Jan 2023 | England | July 1972 | 10, Bressenden Place, London, SW1E 5DN, United Kingdom |
| LANGEBAEK, Steen Tage RESIGNED | Director | | 20 Apr 2001 | | October 1927 | Vester Voldgade 90, 1552 Copenhagen V, Denmark |
| MACANDREW, John Alexander, Dr RESIGNED | Director | 20 Apr 2001 | 01 Jan 2006 | | September 1953 | Gatacre House, 10 Kings Road, St Neots, Cambridgeshire, PE19 1LD |
| MAULE, Hamish RESIGNED | Director | 12 Jan 2022 | 03 Jun 2026 | United Kingdom | August 1972 | 10, Bressenden Place, London, SW1E 5DN, United Kingdom |
| MIDDLETON, Alan RESIGNED | Director | 01 Jan 2006 | 31 Dec 2021 | United Kingdom | May 1966 | 10, Bressenden Place, London, SW1E 5DN, United Kingdom |
| MOYNIHAN, Jonathan Patrick RESIGNED | Director | | 31 Dec 2013 | England | June 1948 | 123 Buckingham Palace Road, London, SW1W 9SR |
| MURRAY, Ian RESIGNED | Director | 08 Sep 2006 | 24 Jun 2008 | | August 1958 | 2, Ashwell Road, Bygrave, Near Baldock, Hertfordshire, SG7 5DT |
| NORRIS, Christian David Falcon RESIGNED | Director | 23 Apr 2024 | 18 Jun 2026 | United Kingdom | February 1983 | 10, Bressenden Place, London, SW1E 5DN, United Kingdom |
| O'HIGGINS, Michael RESIGNED | Director | 05 Mar 2004 | 09 Jun 2006 | United Kingdom | August 1954 | 21 Millers Wharf, 78 St Katharines Way, London, E1W 1UE |
| PAYNE, Stephen John RESIGNED | Director | | 22 Nov 1993 | | January 1947 | 391 Nassau Street, Princeton, Nj 08540, FOREIGN, Usa |
| RAPPOLT, Michael Stephen John RESIGNED | Director | 05 Mar 1999 | 20 Apr 2001 | England | February 1945 | 2 Peek Crescent, Wimbledon, London, SW19 5ER |
| RAPPOLT, Michael Stephen John RESIGNED | Director | | 10 May 1997 | England | February 1945 | 2 Peek Crescent, Wimbledon, London, SW19 5ER |
| SKELTON, Bridget Elizabeth RESIGNED | Director | 05 Mar 1999 | 01 Jul 2001 | England | January 1960 | Wakehurst Court, Bunce Court Road, Otterden, Kent, ME13 0BY |
| SPREADBURY, Andrew David RESIGNED | Director | 24 Jun 2008 | 28 May 2010 | United Kingdom | February 1967 | 123 Buckingham Palace Road, London, SW1W 9SR |
| STAPLETON, Martin Gordon Robert RESIGNED | Director | 09 Mar 2007 | 24 Jun 2008 | England | July 1969 | SW5 |
| THORNTON, Paul Nicholas RESIGNED | Director | | 31 Dec 1993 | | June 1947 | 102 Gloucester Terrace, London, W2 6HP |
| TINDALE, Bruce Edgar RESIGNED | Director | 11 Apr 1997 | 31 Aug 2007 | United Kingdom | February 1948 | Clandon Downs, Blakes Lane, High Clandon, Surrey, GU4 7RP |
| TOBIN, Peter RESIGNED | Director | 10 Sep 1999 | 09 Dec 2006 | | March 1944 | 118 Forest Drive, Short Hills, New Jersey, 07078, Usa |
| WALKER, John Leon Naylor RESIGNED | Director | | 31 Dec 1993 | | September 1940 | 57 Crescent Lane, London, SW4 9PT |
| WHITE RIDLEY, Matthew, Doctor RESIGNED | Director | 01 Jul 2000 | 06 Jun 2008 | | February 1958 | Blagdon Hall Blagdon, Seaton Burn, Newcastle Upon Tyne, Tyne & Wear, NE13 6DD |