| VALJI, Yogita ACTIVE | Secretary | 29 Oct 2025 | | | | 17, Grosvenor Gardens, London, SW1W 0BD |
| ANDREWS, Kate Elizabeth ACTIVE | Director | 04 Feb 1999 | | United Kingdom | September 1967 | 17, Grosvenor Gardens, London, SW1W 0BD, England |
| BERRY, William Alexander ACTIVE | Director | 13 Mar 2017 | | England | March 1978 | 17, Grosvenor Gardens, London, SW1W 0BD |
| CAMROSE, Jonathan William, Lord ACTIVE | Director | 13 Mar 2017 | | England | February 1970 | 17, Grosvenor Gardens, London, SW1W 0BD |
| THOMAS, Christopher Robert ACTIVE | Director | 05 Jun 2025 | | England | January 1980 | 17, Grosvenor Gardens, London, SW1W 0BD |
| DICKSON, Kate Elizabeth RESIGNED | Secretary | 03 Jul 1998 | 26 Feb 1999 | | | 12a Kensington Mansions, Trebovir Road, London, SW5 9TF |
| LAWRENCE, Jane RESIGNED | Secretary | 03 Sep 2004 | 29 Oct 2025 | | | 17, Grosvenor Gardens, London, SW1W 0BD, England |
| MELSOM, Stuart Campbell RESIGNED | Secretary | 26 Feb 1999 | 03 Sep 2004 | | | Chiltern Lea 12 North Approach, Moor Park, Northwood, Middlesex, HA6 2JG |
| MURRAY, David Michael RESIGNED | Secretary | | 03 Jul 1998 | | | 15 Twyford Avenue, London, N2 9NU |
| ABEL, Edward Guy RESIGNED | Director | 04 Feb 1999 | 22 Dec 2005 | | November 1944 | Chimney Mill, West Stow, Bury St Edmunds, Suffolk, IP28 6ER |
| BERRY, Nicholas William RESIGNED | Director | 04 Feb 1999 | 25 Dec 2016 | Switzerland | July 1942 | 17, Grosvenor Gardens, London, SW1W 0BD, England |
| CAMROSE, Adrian, Lord RESIGNED | Director | 31 Mar 2000 | 19 Apr 2016 | England | June 1937 | 17, Grosvenor Gardens, London, SW1W 0BD, England |
| HARTWELL, William Michael, The Rt Hon Baron RESIGNED | Director | | 03 Apr 2001 | | May 1911 | Oving House, Oving, Aylesbury, Buckinghamshire, HP22 4HN |
| HERRIES, William Michael Young RESIGNED | Director | 07 Dec 2005 | 01 Aug 2006 | | April 1955 | 20f Warwick Square, London, SW1V 2AB |
| LAWRENCE, Jane RESIGNED | Director | 13 Dec 2005 | 05 Jun 2025 | England | January 1960 | 17, Grosvenor Gardens, London, SW1W 0BD, England |
| RAWLINGS, Christopher Hugh RESIGNED | Director | | 02 Feb 1999 | | September 1939 | North End House, Hurstpierpoint, Sussex, BN6 9HJ |
| SEYMOUR, John, The Rt Hon Viscount Camrose Of Hackwood Park RESIGNED | Director | | 15 Feb 1995 | | July 1909 | Hackwood Park, Basingstoke, Hampshire |