| DRIES, Ruth ACTIVE | Secretary | 13 Nov 2025 | | | | Sussex Place, Regents Park, London, NW1 4SA |
| PYOTT, David Edmund Ian, Dr ACTIVE | Director | 01 May 2023 | | United States | October 1953 | Sussex Place, Regents Park, London, NW1 4SA |
| SIU, Tracy ACTIVE | Director | 22 Apr 2015 | | England | January 1976 | Sussex Place, Regents Park, London, NW1 4SA |
| COMPTON, Paul Robert RESIGNED | Secretary | 15 Dec 1998 | 12 Mar 1999 | | | 36 Lancaster Road, London, N4 4PR |
| FROST, Richard Alan RESIGNED | Secretary | 20 Sep 2004 | 13 Nov 2025 | | | 54 Effingham Road, London, SE12 8NU |
| QUINCEY, Gerald RESIGNED | Secretary | 22 Jan 1996 | 10 Dec 1998 | | | Box Cottage, Manningford Abbots, Pewsey, Wiltshire, SN9 6HZ |
| QUINCEY, Gerald RESIGNED | Secretary | | 23 Oct 1992 | | | Box Cottage, Manningford Abbots, Pewsey, Wiltshire, SN9 6HZ |
| RUDKIN, Adrienne Joy RESIGNED | Secretary | | 22 Jan 1996 | | | 36 Lancaster Road, London, N4 |
| VIPOND, Rosemary Hill RESIGNED | Secretary | 12 Mar 1999 | 10 Sep 2004 | | | 5 The Park, London, N6 4EU |
| ARMSTRONG, Melanie Jane RESIGNED | Director | 01 Jan 2014 | 23 Mar 2015 | England | June 1964 | Sussex Place, Regents Park, London, NW1 4SA |
| BAGRI, Apurv RESIGNED | Director | 02 May 2014 | 01 May 2023 | United Kingdom | November 1959 | Sussex Place, Regents Park, London, NW1 4SA |
| BAILEY, Geoffrey Stuart RESIGNED | Director | 17 Dec 2010 | 28 Jun 2011 | United Kingdom | November 1958 | Sussex Place, Regents Park, London, NW1 4SA |
| BAIN, George Sayers, Professor RESIGNED | Director | | 31 Dec 1997 | | February 1939 | 1 Sussex Place, Regents Park, London, NW1 4SA |
| BARLOW, William, Sir RESIGNED | Director | | 13 Jun 1991 | | June 1924 | 2 Neville Drive, London, N2 0QR |
| COSTLEY, Sharon Julie RESIGNED | Director | 28 Jun 2011 | 29 Jun 2012 | United Kingdom | March 1962 | Sussex Place, Regents Park, London, NW1 4SA |
| EARL, Michael John RESIGNED | Director | 01 Jan 1998 | 30 Jun 1998 | | January 1944 | Oakdene Bedwells Heath, Boars Hill, Oxford, Oxfordshire, OX1 5JE |
| HARRISON, David RESIGNED | Director | 01 Aug 2012 | 31 Jan 2013 | England | August 1969 | Sussex Place, Regents Park, London, NW1 4SA |
| HAY, Michael George, Professor RESIGNED | Director | 01 Jan 2002 | 31 Dec 2006 | England | September 1950 | 3 Blenheim Drive, Oxford, Oxfordshire, OX2 8DH |
| HOPLEY, Mark Simon Griffith RESIGNED | Director | 23 Mar 2015 | 10 Apr 2015 | England | July 1968 | Sussex Place, Regents Park, London, NW1 4SA |
| JEFFRIES, Jeffrey RESIGNED | Director | 22 Oct 1998 | 31 Dec 2001 | | February 1948 | 13a Deane Way, Ruislip, Middlesex, HA4 8SU |
| MUNRO, Colin John RESIGNED | Director | 30 Oct 2008 | 17 Dec 2010 | United Kingdom | July 1974 | Flat A, 60 Cecile Park, London, N8 9AU |
| QUELCH, John Anthony RESIGNED | Director | 01 Jul 1998 | 06 Jul 2001 | Usa | August 1951 | 57 Baker Bridge Road, Lincoln, Massachusetts 01773, Usa |
| QUINCEY, Gerald RESIGNED | Director | | 22 Oct 1998 | | April 1938 | Box Cottage, Manningford Abbots, Pewsey, Wiltshire, SN9 6HZ |
| RITBLAT, John, Sir RESIGNED | Director | 19 Apr 2006 | 02 May 2014 | England | October 1935 | The Doric Villa 20 York Terrace East, Regents Park, London, NW1 4PT |
| SAINSBURY, David John, Lord RESIGNED | Director | | 22 Oct 1998 | England | October 1940 | 37 Lansdowne Road, London, W11 2LQ |
| TREVES, Vanni Emanuele RESIGNED | Director | 22 Oct 1998 | 19 Apr 2006 | England | November 1940 | 4 Alwyne Place, Canonbury, London, N1 2NL |
| WALTERS, Peter Ingram, Sir RESIGNED | Director | | 13 Jun 1991 | United Kingdom | March 1931 | 10 Launceston Place, Kensington, London, W8 5RL |
| WEBSTER, Catherine RESIGNED | Director | 01 Jan 2007 | 03 Nov 2008 | | May 1963 | 82 Kingfisher House Juniper Drive, London, SW18 1TY |