| FRITSCHI, Remo ACTIVE | Director | 28 Feb 2011 | | United Kingdom | December 1971 | 14, Hambledon Place, London, SE21 7EY, United Kingdom |
| JOAN LIESNER, Raina, Dr ACTIVE | Director | 16 Jul 2025 | | England | November 1958 | 843, Finchley Road, London, NW11 8NA, United Kingdom |
| LEUNG, Daniel ACTIVE | Director | 24 Jan 2007 | | United Kingdom | October 1959 | 18 Hambledon Place, London, SE21 7EY |
| OSTHOFF, Matthias ACTIVE | Director | 17 Jun 2025 | | England | December 1978 | 843, Finchley Road, London, NW11 8NA, United Kingdom |
| SANDS, Alistair Duncan ACTIVE | Director | 24 Jan 2007 | | England | July 1955 | 17 Hambledon Place, Dulwich Common, London, SE21 7EY |
| THOMPSON, Jill Margaret ACTIVE | Director | 17 Jun 2025 | | England | April 1964 | 843, Finchley Road, London, NW11 8NA, United Kingdom |
| CAINES, John, Sir RESIGNED | Secretary | 11 Jan 2006 | 25 Nov 2013 | | | 13 Hambleden Place, London, SE21 7EY |
| CORNFORTH, Harold Edward RESIGNED | Secretary | | 01 Apr 1992 | | | 43 Alameda Road, Ampthill, Bedford, Bedfordshire, MK45 2LA |
| PETERMAN, Sidney Hyman RESIGNED | Secretary | 01 Apr 1992 | 13 Jan 2003 | | | 65 Herne Hill, London, SE24 9NE |
| THOMPSON, Jill Margaret RESIGNED | Secretary | 25 Nov 2013 | 02 Jan 2015 | | | 6, Hambledon Place, London, SE21 7EY, United Kingdom |
| THOMPSON, Paul Andrew RESIGNED | Secretary | 13 Jan 2003 | 11 Jan 2006 | | | SE21 |
| AMIN, Hina RESIGNED | Director | 11 Jan 2006 | 01 Jun 2021 | England | August 1962 | 5, Hambledon Place, London, SE21 7EY, England |
| BELL, Steven Richard RESIGNED | Director | | 12 Jan 2017 | United Kingdom | July 1953 | 12 Hambledon Place, Dulwich Common, London, SE21 7EY |
| CAINES, John, Sir RESIGNED | Director | 15 Jan 2001 | 25 Nov 2013 | | January 1933 | 13 Hambleden Place, London, SE21 7EY |
| DESIRA, Michael George RESIGNED | Director | | 27 Aug 2008 | | August 1947 | 3 Hambledon Place, Dulwich, London, SE21 |
| FRANKFURT, Richard RESIGNED | Director | 15 Jan 2001 | 21 Jul 2025 | England | June 1946 | 20 Hambledon Place, Dulwich Common, London, SE21 7EY |
| GORT-BARTEN, Leslie Alexander RESIGNED | Director | | 03 Jun 2001 | | May 1950 | 4 Hambledon Place, Dulwich Common, London, SE21 7EY |
| KOJIMA, Yasuyuki RESIGNED | Director | 14 Jan 1993 | 27 Jul 1995 | | August 1947 | 19 Hambledon Place, London, SE21 7EY |
| STOPFORD, Samuel Francis John RESIGNED | Director | 19 Apr 2010 | 01 Jun 2021 | England | April 1956 | 21, Hambledon Place, London, SE21 7EY |
| THOMPSON, Jill Margaret RESIGNED | Director | 11 Jan 2006 | 02 Jan 2015 | England | April 1964 | 6 Hambledon Place, London, SE21 7EY |
| THOMPSON, Paul Andrew RESIGNED | Director | 15 Jan 2001 | 11 Jan 2006 | England | June 1962 | SE21 |
| WHEELER, Peter John, Dr RESIGNED | Director | | 30 Jun 1999 | | June 1950 | 13 Hambledon Place, Dulwich, London, SE21 7EY |
| WILSON, Graeme Raymond RESIGNED | Director | 19 Jan 1998 | 29 Jan 2015 | England | October 1944 | 10 Hambledon Place, London, SE21 7EY |
| WOON - KEUNG LEUNG, Peter RESIGNED | Director | | 10 Oct 1997 | | October 1926 | 18 Hambledon Place, Dulwich, London, SE21 |