| GREENFIELD, James William ACTIVE | Secretary | 02 Aug 2021 | | | | 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 |
| MEAD, Richard William ACTIVE | Director | 03 Jun 2026 | | United Kingdom | October 1973 | 10, Bressenden Place, London, SW1E 5DN, United Kingdom |
| CULLEY, Mark Manhart RESIGNED | Secretary | 16 Jul 2003 | 31 Oct 2007 | | | 4655 S. Salvia Drive, Gold Canyon, Pinal, Az 85218, Usa |
| DADSWELL, Lisa RESIGNED | Secretary | 26 Jan 2009 | 30 Oct 2012 | | | 123 Buckingham Palace Road, Victoria, London, SW1W 9SR |
| DRABBLE, Maxine Frances RESIGNED | Secretary | 21 Jun 1996 | 31 Jan 2006 | | | 110 Croxted Road, Dulwich, London, SE21 8NR |
| FERRARIO, Anne RESIGNED | Secretary | | 21 Jun 1996 | | | 10 Russell Hill, Purley, Surrey, CR8 2JA |
| 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 |
| WARNER, William RESIGNED | Secretary | 20 Jul 2020 | 12 Jul 2021 | | | 10, Bressenden Place, London, SW1E 5DN, United Kingdom |
| YEOMAN, Ruth RESIGNED | Secretary | 31 Jan 2006 | 22 Nov 2008 | | | 11 Stafford Street, Gillingham, Kent, ME7 5EJ |
| CAMERON, Ruairidh Gregor RESIGNED | Director | 19 Dec 2017 | 29 Nov 2021 | England | July 1975 | 10, Bressenden Place, London, SW1E 5DN, United Kingdom |
| CLARKSON, Alan Mark RESIGNED | Director | 17 Jan 2011 | 31 May 2017 | United Kingdom | October 1970 | 123 Buckingham Palace Road, Victoria, London, SW1W 9SR |
| COULTER, David John RESIGNED | Director | | 16 Jun 1995 | | April 1935 | 4 Stuarts Meadow, Graffham, Petworth, West Sussex, GU28 0QE |
| GARDNER, Adrian David Edmund RESIGNED | Director | 25 Jun 2008 | 07 Mar 2011 | England | May 1962 | 123 Buckingham Palace Road, Victoria, London, SW1W 9SR |
| 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 | 31 Aug 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 |
| HIRTZEL, Simon George Michael RESIGNED | Director | 30 Jan 2004 | 07 Sep 2007 | England | June 1967 | Poplar Farmhouse, 1 North End Bassingbourn, Cambridgeshire, SG8 5NX |
| JANJUAH, Kully RESIGNED | Director | 25 May 2006 | 03 Jun 2026 | England | July 1968 | 10, Bressenden Place, London, SW1E 5DN, United Kingdom |
| LAMBE, William Anthony RESIGNED | Director | 28 Jun 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 | 04 Jan 2012 | 31 Dec 2021 | United Kingdom | May 1966 | 10, Bressenden Place, London, SW1E 5DN, United Kingdom |
| MOYNIHAN, Jonathan Patrick RESIGNED | Director | | 14 Jun 2012 | England | June 1948 | 123 Buckingham Palace Road, Victoria, London, SW1W 9SR |
| TODD, David Caldwell Graham RESIGNED | Director | | 28 Apr 1993 | | May 1947 | 45 Cloncurry Street, London, SW6 6DT |
| WALKER, Daniel James RESIGNED | Director | 07 Sep 2007 | 23 Jul 2008 | United Kingdom | September 1967 | 30 Harrow Road, Elvetham Heath, Fleet, Hampshire, GU51 1JD |