| GREENFIELD, James William ACTIVE | Secretary | 02 Jul 2021 | | | | 10, Bressenden Place, London, SW1E 5DN, United Kingdom |
| BARRETT, Charles Roland Strange ACTIVE | Director | 22 Mar 2010 | | England | January 1969 | 10, Bressenden Place, London, SW1E 5DN, United Kingdom |
| CLAYTON, Neil Richard ACTIVE | Director | 22 Jan 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 | 26 Jan 2009 | 30 Oct 2012 | | | 123 Buckingham Palace Road, Victoria, London, SW1W 9SR |
| DRABBLE, Maxine Frances RESIGNED | Secretary | 01 Oct 1996 | 20 Dec 2005 | | | 110 Croxted Road, Dulwich, London, SE21 8NR |
| GREENFIELD, James William RESIGNED | Secretary | 01 Jul 2016 | 26 Jun 2020 | | | 10, Bressenden Place, London, SW1E 5DN, United Kingdom |
| KING, Robert Gaius RESIGNED | Secretary | 30 Oct 2012 | 01 Jul 2016 | | | 123 Buckingham Palace Road, Victoria, London, SW1W 9SR |
| MILLER, Bridget RESIGNED | Secretary | 06 Jun 2011 | 27 Feb 2012 | | | 123 Buckingham Palace Road, Victoria, London, SW1W 9SR |
| WADE, Peter Andrew RESIGNED | Secretary | | 01 Oct 1996 | | | 9 Hitchin Road, Stotfold, Hitchin, Hertfordshire, SG5 4HP |
| WARNER, William RESIGNED | Secretary | 20 Jul 2020 | 12 Jul 2021 | | | 10, Bressenden Place, London, SW1E 5DN, United Kingdom |
| YEOMAN, Ruth RESIGNED | Secretary | 20 Dec 2005 | 22 Nov 2008 | | | 11 Stafford Street, Gillingham, Kent, ME7 5EJ |
| CAMERON, Ruairidh Gregor RESIGNED | Director | 19 Dec 2017 | 24 Dec 2021 | England | July 1975 | 10, Bressenden Place, London, SW1E 5DN, United Kingdom |
| CAMERON, Ruairidh Gregor RESIGNED | Director | 18 May 2011 | 30 Nov 2011 | United Kingdom | July 1975 | 123 Buckingham Palace Road, Victoria, London, SW1W 9SR |
| COOK, David Ashley RESIGNED | Director | | 31 Mar 1994 | United Kingdom | August 1944 | The Brackens, Holmes Chapel Road, Somerford, Congleton Cheshire, CW12 4QB |
| COPPING, Peter RESIGNED | Director | | 26 Oct 1999 | | January 1947 | 12 Waldens Park Road, Horsell, Surrey, GU21 4RN |
| COULTER, David John RESIGNED | Director | | 16 Jun 1995 | | April 1935 | 4 Stuarts Meadow, Graffham, Petworth, West Sussex, GU28 0QE |
| DRABBLE, Maxine Frances RESIGNED | Director | 24 Jan 2001 | 31 Jan 2006 | United Kingdom | May 1958 | 110 Croxted Road, Dulwich, London, SE21 8NR |
| GARDNER, Adrian David Edmund RESIGNED | Director | 14 Jan 2011 | 07 Mar 2011 | England | May 1962 | 123 Buckingham Palace Road, Victoria, London, SW1W 9SR |
| GERRARD, Timothy John RESIGNED | Director | 26 Oct 1999 | 12 Dec 2000 | | July 1950 | 31 Old Barber, Harrogate, North Yorkshire, HG1 3DF |
| GILMOUR, John Logan RESIGNED | Director | | 13 Apr 1993 | | December 1947 | 14 Belgrave Place, Edinburgh, Midlothian, EH4 3AW |
| GORDON, Matthew Millar RESIGNED | Director | 25 Jul 2013 | 19 Dec 2017 | United Kingdom | August 1974 | 10, Bressenden Place, London, SW1E 5DN, United Kingdom |
| HAYES, Nicholas John Gardner RESIGNED | Director | 10 Oct 1995 | 07 Dec 2001 | | September 1954 | 9 Clarendon Road, London, W11 4JA |
| HERRICK, Simon Edward RESIGNED | Director | 07 Dec 2001 | 30 Jan 2004 | United Kingdom | June 1963 | 94 Broom Road, Teddington, Middlesex, TW11 9PF |
| HILL, Richard RESIGNED | Director | 02 Aug 1996 | 29 May 1998 | | August 1952 | Rushmere Knowl Hill, Woking, Surrey, GU22 7HL |
| HIRTZEL, Simon George Michael RESIGNED | Director | 30 Jan 2004 | 07 Sep 2007 | England | June 1967 | Poplar Farmhouse, 1 North End Bassingbourn, Cambridgeshire, SG8 5NX |
| HOUSTON, Brian Gilchrist RESIGNED | Director | | 31 Mar 1994 | | December 1948 | Rheingaustrasse 131, 6200 Wiesbzden - Biebrich, Midlothian, EH9 2LQ |
| JANJUAH, Kully RESIGNED | Director | 31 Jan 2006 | 03 Jun 2026 | England | July 1968 | 10, Bressenden Place, London, SW1E 5DN, United Kingdom |
| LAMBE, William Anthony RESIGNED | Director | 01 Sep 2022 | 18 Jan 2023 | England | July 1972 | 10, Bressenden Place, London, SW1E 5DN, United Kingdom |
| 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 | 31 Aug 2007 | 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, Victoria, London, SW1W 9SR |
| NORRIS, Christian David Falcon RESIGNED | Director | 23 Apr 2024 | 18 Jun 2026 | United Kingdom | February 1983 | 10, Bressenden Place, London, SW1E 5DN, United Kingdom |
| POTTER, Carl John RESIGNED | Director | 30 Nov 2006 | 19 Mar 2007 | England | July 1959 | 7 Cobham Drive, Kings Hill, West Malling, Kent, ME19 4EH |
| PUTTICK, John RESIGNED | Director | | 31 Dec 1993 | | July 1935 | 14 Montague Road, Richmond, Surrey, TW10 6QW |
| RAPPOLT, Michael Stephen John RESIGNED | Director | | 23 Oct 1997 | England | February 1945 | 2 Peek Crescent, Wimbledon, London, SW19 5ER |
| RAWLINGS, Nicholas Henry RESIGNED | Director | | 31 Mar 1994 | | November 1946 | 8 Auriol Mansions, London, W14 0ST |
| RIDLER, Keith Douglas RESIGNED | Director | | 31 Mar 1993 | | June 1944 | 17 North Drive, High Legh, Knutsford, Cheshire, WA16 6LX |
| ROWNTREE, Rosemary Jean RESIGNED | Director | | 13 Jul 1992 | | February 1949 | Pennyroyal 2a High Street, Earith, Huntingdon, Cambridgeshire, PE17 3PP |
| SPREADBURY, Andrew David RESIGNED | Director | 20 Dec 2005 | 28 May 2010 | United Kingdom | February 1967 | 123 Buckingham Palace Road, Victoria, London, SW1W 9SR |
| THORNTON, Paul Nicholas RESIGNED | Director | 01 Jan 1993 | 14 Feb 1994 | | June 1947 | 102 Gloucester Terrace, London, W2 6HP |
| TINDALE, Bruce Edgar RESIGNED | Director | 07 Dec 2001 | 31 Aug 2007 | United Kingdom | February 1948 | Clandon Downs, Blakes Lane, High Clandon, Surrey, GU4 7RP |
| TINDALE, Bruce Edgar RESIGNED | Director | | 31 Mar 1994 | | February 1948 | 7 Fairbourne, Cobham, Surrey, KT11 2BT |
| TOOMBS, Kenneth John RESIGNED | Director | 12 Jan 2022 | 12 May 2023 | United States | April 1961 | 10, Bressenden Place, London, SW1E 5DN, United Kingdom |
| VICKERSTAFFE, David Martin RESIGNED | Director | 30 Jun 2008 | 03 Jun 2026 | England | June 1971 | 10, Bressenden Place, London, SW1E 5DN, United Kingdom |
| WALKER, Daniel James RESIGNED | Director | 07 Sep 2007 | 30 Jun 2008 | United Kingdom | September 1967 | 30 Harrow Road, Elvetham Heath, Fleet, Hampshire, GU51 1JD |
| WALKER, John Leon Naylor RESIGNED | Director | | 14 Feb 1994 | | September 1940 | 57 Crescent Lane, London, SW4 9PT |
| WIGHTMAN, David William Lyle RESIGNED | Director | | 31 Mar 1994 | | January 1944 | The Old Vicarage 12 Ryles Park Road, Macclesfield, Cheshire, SK11 8AH |
| WILLIGSECKER, Francois Felix RESIGNED | Director | | 31 Mar 1994 | | April 1946 | 25 Rue De Montebello, 7800 Versailles, FOREIGN, France |