| BLUESTONE, Steven David ACTIVE | Director | 17 Jan 2002 | | United Kingdom | October 1963 | 52 Saint Edmunds Drive, Stanmore, Middlesex, HA7 2AU |
| ELMER, Mark Christopher ACTIVE | Director | 31 Jan 2008 | | United Kingdom | July 1953 | 40, Flat C, 40 St Michael's Street, London, W2 1QX, United Kingdom |
| GEORGHIOU, Lakis Kyprianos ACTIVE | Director | 12 Nov 2022 | | England | May 1963 | 6, 28, 6, 28 Leathermarket Street, London, SE1 3FZ, England |
| COOPER, Robin Anthony, Doctor RESIGNED | Secretary | 14 Jan 1999 | 22 Nov 2001 | | | 14 Dartmouth Road, London, NW2 4EU |
| COOPER, Robin Anthony, Doctor RESIGNED | Secretary | 03 Nov 1994 | 12 Dec 1996 | | | 14 Dartmouth Road, London, NW2 4EU |
| GORDON, Paul Stewart RESIGNED | Secretary | 21 Nov 2001 | 21 Oct 2010 | | | 74 Victoria Road, London, NW6 6QA |
| LATHAM, Barbara Ann Heaton RESIGNED | Secretary | 12 Dec 1996 | 14 Jan 1999 | | | 9 Ferncroft Avenue, London, NW3 7PG |
| LATHAM, Barbara Ann Heaton RESIGNED | Secretary | 07 Oct 1993 | 03 Nov 1994 | | | 9 Ferncroft Avenue, London, NW3 7PG |
| OAKLEY, Christopher Martin RESIGNED | Secretary | | 07 Oct 1993 | | | 62 Upper Park Road, London, NW3 2UX |
| CLAPHAM, Miles Stuart Neville, Dr RESIGNED | Director | 18 Jan 2007 | 21 Oct 2010 | United Kingdom | June 1952 | 48 Cavendish Avenue, Cambridge, Cambridgeshire, CB1 7UT |
| CLELAND, Morag Elizabeth RESIGNED | Director | 04 Jun 2015 | 01 Dec 2025 | United Kingdom | November 1961 | 4, Marty's Yard, 17 Hampstead High Street, London, NW3 1QW |
| COLLING, Lois RESIGNED | Director | 23 May 2018 | 29 Dec 2025 | England | May 1956 | 103, Milton Grove, London, N16 8QX, England |
| DUFFELL, Nicholas Paul RESIGNED | Director | 15 Dec 2021 | 01 Dec 2025 | England | September 1949 | 4, Marty's Yard, 17 Hampstead High Street, London, NW3 1QW |
| DUNFORD, Helen Jane RESIGNED | Director | 31 Jan 2008 | 17 Oct 2013 | United Kingdom | February 1953 | 34, Brooksville Avenue, London, NW6 6TG, United Kingdom |
| GANS, Steve, Dr RESIGNED | Director | 07 Oct 1993 | 14 Jan 1999 | | June 1941 | 30 Carlton Mansions, Randolph Avenue, London, W9 1NP |
| GILBERT, Kate Bernadette RESIGNED | Director | 24 Nov 2005 | 18 Jan 2007 | United Kingdom | September 1952 | 4a Frognal, London, NW3 6AJ |
| GILL, Douglas RESIGNED | Director | 27 Jan 2011 | 17 Oct 2013 | United Kingdom | November 1947 | 4, Marty's Yard, 17 Hampstead High Street, London, NW3 1QW |
| GORDON, Paul Stewart RESIGNED | Director | 14 Jan 1999 | 22 Nov 2001 | | February 1954 | 74 Victoria Road, London, NW6 6QA |
| HEATON, John Moorhouse, Dr RESIGNED | Director | | 14 Jan 1999 | | November 1925 | 9 Ferncroft Avenue, London, NW3 7PG |
| HODGE, Hugo Redmore RESIGNED | Director | 14 Jan 1999 | 21 Oct 2010 | United Kingdom | September 1949 | 17 Exeter Road, London, NW2 4SJ |
| HOLLAND, Carol RESIGNED | Director | 14 Jan 1999 | 22 Nov 2001 | | December 1944 | 16b Portland Road, London, W11 4LA |
| KAPETANIOS, George RESIGNED | Director | 30 Jan 2014 | 03 Oct 2015 | England | October 1971 | 6, Kenilworth Road, London, NW6 7HJ, England |
| KING, Margaret Ann Lucy RESIGNED | Director | 06 Nov 1992 | 18 Jan 2007 | | October 1942 | 34 Church Street, Fen Ditton, Cambridge, CB5 8SU |
| LAING, Adrian Charles RESIGNED | Director | 03 Dec 2015 | 01 Jan 2018 | England | April 1958 | 4, Marty's Yard, 17 Hampstead High Street, London, NW3 1QW |
| LATHAM, Barbara Ann Heaton RESIGNED | Director | 14 Jan 1999 | 02 Nov 2000 | | July 1947 | 9 Ferncroft Avenue, London, NW3 7PG |
| MCGREGOR, Ian Kenneth RESIGNED | Director | 05 Dec 2013 | 01 Jan 2018 | England | August 1952 | 2, Dashwood Road, London, N8 9AD, England |
| OAKLEY, Christopher Martin RESIGNED | Director | 12 Dec 1996 | 22 Jan 1998 | | January 1944 | 62 Upper Park Road, London, NW3 2UX |
| OAKLEY, Haya RESIGNED | Director | | 07 Nov 1996 | | January 1945 | 62 Upper Park Road, London, NW3 2UX |
| REDLER, Leon RESIGNED | Director | 12 Dec 1996 | 31 Jan 1999 | | November 1936 | 43 Belsize Park Gardens, London, NW3 4JJ |
| RICHTER, Joachim RESIGNED | Director | 06 Jul 2019 | 29 Dec 2025 | England | January 1989 | 3, Hansol Road, Bexleyheath, DA6 8JQ, England |
| SOFER, Daniel Edward Judah RESIGNED | Director | 31 Jan 2008 | 01 Jan 2018 | England | August 1964 | 47 Tytherton Road, London, N19 4PZ |
| STEWART, Pamela Windham RESIGNED | Director | 27 Jan 2011 | 01 Feb 2013 | United Kingdom | September 1950 | 4, Marty's Yard, 17 Hampstead High Street, London, NW3 1QW |
| TOUTON VICTOR, Patricia Marie Therese Blanche RESIGNED | Director | 13 Nov 2003 | 24 Nov 2005 | | August 1949 | 38 Gondar Gardens, London, NW6 1HG |
| VAN GELDER, Roy Maurice RESIGNED | Director | 14 Jan 1999 | 24 Nov 2005 | United Kingdom | September 1931 | 4 Strathray Gardens, London, NW3 4NY |
| ZEAL, Paul Thomas Cowderoy RESIGNED | Director | | 06 Nov 1992 | | February 1943 | 12 Elm Grove, Taunton, Somerset, TA1 1EG |