| HOPE, Neil Peter ACTIVE | Secretary | 20 Apr 2026 | | | | 12 Crooms Hill, Greenwich, London, SE10 8ER |
| ALEXANDER, Helene Esther ACTIVE | Director | | | England | December 1932 | 1 St Germans Place, London, SE3 0NH |
| BARNES, Timothy Paul ACTIVE | Director | 18 Jun 2023 | | England | April 1944 | 12 Crooms Hill, Greenwich, London, SE10 8ER |
| BLOCK, Ian Michael ACTIVE | Director | 28 Jan 2026 | | England | February 1963 | Hill House, Reading Road, Heckfield, Hook, Hampshire, RG27 0JY, England |
| BURNETT, Timothy Adrian John ACTIVE | Director | 11 Feb 2016 | | England | April 1937 | 11, Highbury Place, London, N5 1QZ, England |
| HOPE, Neil Peter ACTIVE | Director | 20 Apr 2026 | | England | October 1974 | 12 Crooms Hill, Greenwich, London, SE10 8ER |
| MAYOR, Susan ACTIVE | Director | 01 Apr 2003 | | England | March 1945 | 55 Gloucester Avenue, London, NW1 7BA |
| VAN DER MERWE, Pieter Thomas, Dr ACTIVE | Director | 07 Nov 2023 | | England | February 1948 | 1 Suter's Cottages, Diamond Terrace, London, SE10 8QN, England |
| HERBERT, Ruth Frances RESIGNED | Secretary | | 01 Dec 1996 | | | 2 Churchfields, Broxbourne, Hertfordshire, EN10 7JU |
| HOPE, Jeanette Margaret RESIGNED | Secretary | 25 Feb 2004 | 20 Oct 2013 | | | 71 Gables Close, Bramdean Crescent Lee, London, SE12 0UE |
| KUHN, Kate RESIGNED | Secretary | 20 Oct 2013 | 20 Apr 2026 | | | 56, Lee Park, London, SE3 9HZ, England |
| MARLOW, Jane Maire RESIGNED | Secretary | 01 Dec 1996 | 25 Feb 2004 | | | Tweedholme, The Drive Belmont, Sutton, Surrey, SM2 7DH |
| ALEXANDER, Anthony Victor RESIGNED | Director | | 17 Aug 1999 | | September 1928 | 1 St Germans Place, London, SE3 0NH |
| BIRD, Anthony Wilson RESIGNED | Director | 01 Apr 2003 | 22 Oct 2012 | England | December 1940 | Wild Dene 83 Raglan Road, Reigate, Surrey, RH2 0ES |
| CHEVELEY, Roger Courtney RESIGNED | Director | 02 Jan 2000 | 18 Oct 2010 | England | October 1939 | 203 Mountjoy House, Barbican, London, EC2Y 8BP |
| DEGEN, Philip RESIGNED | Director | 22 Dec 1999 | 07 Sep 2022 | United Kingdom | February 1957 | 2 The Green, Woodford Green, Essex, IG9 0NF |
| GEE, Michael Ivor RESIGNED | Director | | 25 Oct 1999 | | May 1928 | 6 Cenacle Close, London, NW3 7UE |
| GLUCKSTEIN, Penelope Clare RESIGNED | Director | 01 May 1992 | 20 Oct 2013 | United Kingdom | October 1938 | Highwood Ash Highwood Hill, Mill Hill, London, NW7 4EX |
| HARRIS, Russell Stuart RESIGNED | Director | 19 Nov 2023 | 28 Apr 2026 | England | January 1958 | 19 Draymans Court, 41 Stockwell Green, London, SW9 9QE, England |
| HAYES, John Charles RESIGNED | Director | 03 Nov 2014 | 08 Jul 2023 | England | July 1955 | Greenbanks, 66 Coggeshall Road, Earls Colne, Colchester, Essex, CO6 2JR, England |
| HODGKINSON, Betty Elaine RESIGNED | Director | | 17 Jul 2003 | | November 1916 | 106 Earls Court Road, London, W8 6EG |
| HUGHES, John Hamilton RESIGNED | Director | 20 Oct 2013 | 27 Sep 2023 | England | July 1960 | Wood Street Farm, Wood Street, Clyffe Pypard, Wiltshire, SN4 7PZ |
| JANSSENS, Ben RESIGNED | Director | 01 Oct 1996 | 13 Dec 2012 | United Kingdom | May 1957 | 4 Cheyne Walk, London, SW3 5QZ |
| KEYS, Ian RESIGNED | Director | 12 Mar 2018 | 02 Oct 2021 | England | September 1952 | Old Bowlish House, Bowlish, Shepton Mallet, BA4 5JA, England |
| MARKS, John Graham RESIGNED | Director | | 01 Apr 1995 | United Kingdom | September 1930 | New Hall, Old Harlow, Essex, CM17 0JJ |
| ROSS COLLINS, Michael Stewart RESIGNED | Director | | 20 Oct 2013 | United Kingdom | June 1938 | Wynches, Much Hadham, Hertfordshire, SG10 6BA |
| SCOTT, Carol Ann, Dr RESIGNED | Director | 22 Oct 2012 | 17 Jul 2015 | United Kingdom | November 1946 | 25, Point Hill, Greenwich, London, SE10 8QW |
| ZEITLIN, Linda RESIGNED | Director | 20 Oct 2013 | 28 Apr 2026 | England | August 1948 | 15, Northway, Hampstead Garden Suburb, London, NW11 6PB, England |