| BROCKLEBANK, William Falconer ACTIVE | Director | 01 Dec 2025 | | England | April 1976 | 54 Winchester Street, London, SW1V 4NH, United Kingdom |
| CABLE, Patrick Olaf ACTIVE | Director | 31 Mar 2004 | | England | March 1943 | Pennyhill House, Hyde Chalford, Stroud, Gloucestershire, GL6 8NZ |
| SLATER, Helena Constance Henley ACTIVE | Director | 10 Sep 2024 | | United Kingdom | January 1995 | 54, Winchester Street, London, SW1V 4NH, United Kingdom |
| CABLE, Patrick Olaf RESIGNED | Secretary | 14 Aug 2006 | 01 Jan 2010 | | | Pennyhill House, Hyde Chalford, Stroud, Gloucestershire, GL6 8NZ |
| INGHAM, Judith Margaret RESIGNED | Secretary | | 14 Aug 2006 | | | 54 Winchester Street, London, SW1V 4NH |
| MACLELLAN, Henry Ian RESIGNED | Secretary | 18 Jan 2013 | 10 Oct 2023 | | | 54 Winchester Street, London, SW1V 4NH |
| SLATER, Lucy Ann Frances, Dr RESIGNED | Secretary | 01 Jan 2010 | 18 Jan 2013 | | | The Old Vicarage, Woodlands, Otford, Sevenoaks, Kent, TN15 6AE, United Kingdom |
| D'IVRY, Antoine Ogier RESIGNED | Director | | 31 Jan 2002 | | March 1958 | 54 Winchester Street, London, SW1V 4NH |
| HAMILTON, Susan Bruce, Dr RESIGNED | Director | 28 Nov 1997 | 29 Nov 2002 | | July 1950 | 54a Winchester Street, London, SW1V 4NH |
| INGHAM, Judith Margaret RESIGNED | Director | | 14 Aug 2006 | | February 1959 | 54 Winchester Street, London, SW1V 4NH |
| KANDEL, Christopher Nelson RESIGNED | Director | | 30 Apr 1996 | | May 1960 | 54 Winchester Street, London, SW1V 4NH |
| MACLELLAN, Henry Ian RESIGNED | Director | 11 Sep 2018 | 10 Oct 2023 | United Kingdom | August 1983 | Flat 4, 54 Winchester Street, London, SW1V 4NH, United Kingdom |
| MACLELLAN, Henry Ian RESIGNED | Director | 10 Aug 2018 | 10 Aug 2018 | United Kingdom | August 1983 | Flat 4, 54 Winchester Street, London, SW1V 4NH, United Kingdom |
| MACLELLAN, Kirstin Elvira RESIGNED | Director | 10 Aug 2018 | 11 Sep 2018 | United Kingdom | March 1980 | Flat 4, 54 Winchester Street, London, SW1V 4NH, United Kingdom |
| SADLER, Kirstin Elvira RESIGNED | Director | 25 Oct 2006 | 10 Aug 2018 | England | March 1980 | Flat 4, 54 Winchester Street, London, SW1V 4NH |
| SHEPHERD-CROSS, Richard James RESIGNED | Director | 21 Dec 1995 | 28 Nov 1997 | | January 1971 | Flat 1 54 Winchester Street, London, SW1V 4NH |
| SLATER, Lucy, Doctor RESIGNED | Director | 01 Jun 1996 | 10 Sep 2024 | United Kingdom | October 1959 | Fairways, 48 Oakhill Road, Sevenoaks, TN13 1NS, United Kingdom |