| HUTTON, Richard Denis ACTIVE | Secretary | 31 May 2004 | | | | 45 Dartmouth Park Hill, London, NW5 1HU |
| BOULD, Martin John ACTIVE | Director | 16 Mar 2020 | | United Kingdom | December 1949 | 45, 45, Dartmouth Park Hill, London, Greater London, NW5 1HU, United Kingdom |
| CARTER-JONES, Sian Ruth ACTIVE | Director | 04 May 2023 | | England | July 1982 | 45 Dartmouth Park Hill, London, NW5 1HU |
| HUTTON, Richard Denis ACTIVE | Director | 20 Feb 2000 | | England | July 1961 | 45 Dartmouth Park Hill, London, NW5 1HU |
| SULLIVAN, Karen Elizabeth ACTIVE | Director | 20 Feb 2000 | | England | September 1961 | 45 Dartmouth Park Hill, London, NW5 1HU |
| MECRATE BUTCHER, Robert John Seymour RESIGNED | Secretary | 11 Aug 1998 | 11 Mar 2004 | | | 45 Dartmouth Park Hill, London, NW5 1HU |
| REES, Helen Christine RESIGNED | Secretary | | 06 May 1999 | | | 10 Clarence Road, Wimbledon, London, SW19 8QE |
| FALKOF, Gregory RESIGNED | Director | 01 Sep 2011 | 16 Mar 2020 | England | August 1973 | 45 Dartmouth Park Hill, London, NW5 1HU |
| HOUGH, Elizabeth Louise RESIGNED | Director | | 11 Aug 1998 | | November 1965 | 45 Dartmouth Park Hill, London, NW5 1HU |
| MALCOLM, Duncan Mckenzie RESIGNED | Director | 31 May 2004 | 01 Sep 2011 | United Kingdom | September 1970 | 85, Cadogan Terrace, London, E9 5HP |
| MECRATE BUTCHER, Robert John Seymour RESIGNED | Director | 11 Aug 1998 | 11 Mar 2004 | | November 1967 | 45 Dartmouth Park Hill, London, NW5 1HU |
| OGLE, Joanna RESIGNED | Director | 01 Sep 2011 | 16 Mar 2020 | England | August 1981 | 45 Dartmouth Park Hill, London, NW5 1HU |
| REES, Helen Christine RESIGNED | Director | | 06 May 1999 | | January 1964 | 10 Clarence Road, Wimbledon, London, SW19 8QE |
| STERN, Robert Max James RESIGNED | Director | | 07 Mar 2000 | | April 1965 | 45 Dartmouth Park Hill, London, NW5 1HU |
| TOWNSLEY, Emma Louise RESIGNED | Director | 04 Sep 1998 | 16 Mar 2020 | England | December 1971 | 84, Milton Park, London, N6 5PZ, United Kingdom |
| WALKER, Elizabeth Victoria RESIGNED | Director | 16 Mar 2020 | 01 Nov 2022 | England | October 1992 | 45, Dartmouth Park Hill, London, NW5 1HU, England |
| WIDDICOMBE, Rupert Thomas RESIGNED | Director | | 07 Mar 2000 | | October 1964 | 45 Dartmouth Park Hill, London, NW5 1HU |