| BOALER, Amanda ACTIVE | Secretary | 09 Dec 2025 | | | | 124, City Road, London, EC1V 2NX, England |
| LORD, Jeremy David, Dr ACTIVE | Director | 10 Sep 2008 | | England | September 1961 | 124, City Road, London, EC1V 2NX, England |
| MULVIHILL, Daniel, Professor ACTIVE | Director | 12 Nov 2024 | | Scotland | October 1985 | 124, City Road, London, EC1V 2NX, England |
| ALLISON, Ian Miles, Professor RESIGNED | Secretary | | 01 Jan 1999 | | | 31 Aldershot Road, Fleet, Hampshire, GU13 9NQ |
| BARTON, Janice RESIGNED | Secretary | 08 Sep 2011 | 03 Nov 2014 | | | PO BOX 839, Flitwick, Bedford, MK45 9DU |
| MACKINNON, James Andrew RESIGNED | Secretary | 30 Oct 1998 | 28 Aug 2002 | | | 71 Hillview Drive, Clarkston, Glasgow, Lanarkshire, G76 7JJ |
| RAMAGE, Ian Dennis RESIGNED | Secretary | 05 Sep 2007 | 08 Sep 2011 | | | Y Wig, Dolanog, Welshpool, Powys, SY21 0LF |
| SHACKLETON, Judith Mary RESIGNED | Secretary | 28 Aug 2002 | 05 Sep 2006 | | | 4 Beatrice Street, Oxenhope, West Yorkshire, BD22 9HX |
| TOMLINSON, Rachel Anne, Dr RESIGNED | Secretary | 05 Sep 2006 | 05 Sep 2007 | | | 15 Banner Cross Drive, Sheffield, South Yorkshire, S11 9EE |
| ADLINGTON, John Edward, Dr RESIGNED | Director | 31 Aug 1994 | 06 Sep 1995 | | September 1932 | 5 Fielden Grove, Headington, Oxford, OX3 0DU |
| ALLISON, Ian Miles, Professor RESIGNED | Director | | 30 Oct 1998 | | May 1934 | 31 Aldershot Road, Fleet, Hampshire, GU13 9NQ |
| ARORA, Hari, Dr RESIGNED | Director | 25 Oct 2021 | 17 Nov 2025 | Wales | November 1985 | 124, City Road, London, EC1V 2NX, England |
| BARTON, Janice, Dr RESIGNED | Director | 07 Sep 2004 | 08 Sep 2010 | United Kingdom | March 1964 | 28 Darwin Road, Southampton, Hampshire, SO15 5BY |
| BURGUETE, Richard Luis, Dr RESIGNED | Director | 08 Sep 2010 | 03 Oct 2012 | United Kingdom | April 1966 | PO BOX 839, Flitwick, Bedford, MK45 9DU |
| BURGUETE, Richard Luis, Dr RESIGNED | Director | 29 Aug 2002 | 10 Sep 2008 | United Kingdom | April 1966 | 66 Upper Cheltenham Place, Bristol, Avon, BS6 5HR |
| CROSS, Anthony RESIGNED | Director | 28 Aug 2002 | 05 Sep 2006 | England | September 1954 | 86 High Street, Potterspury, Towcester, Northamptonshire, NN12 7PQ |
| GUNGOR, Salih RESIGNED | Director | 14 Jan 2017 | 20 Sep 2019 | England | February 1961 | PO BOX 839, Flitwick, Bedford, MK45 9DU |
| HART, Susan RESIGNED | Director | 06 Sep 1995 | 28 Aug 2002 | | May 1953 | 98 Morley Road, Chaddesden, Derby, DE21 4QX |
| HOLLIS, David, Dr RESIGNED | Director | 03 Oct 2012 | 14 Jan 2017 | United Kingdom | January 1977 | 12, Dorothy Avenue, Thurmaston, Leicester, LE4 8AB, United Kingdom |
| MACGILLIVRAY, Hugh John RESIGNED | Director | | 30 Oct 1998 | United Kingdom | September 1946 | 43 St Georges Drive, London, SW1V 4DG |
| MACKINNON, James Andrew RESIGNED | Director | 30 Oct 1998 | 28 Aug 2002 | | January 1933 | 71 Hillview Drive, Clarkston, Glasgow, Lanarkshire, G76 7JJ |
| MACKINNON, James Andrew RESIGNED | Director | | 31 Aug 1994 | | January 1933 | 71 Hillview Drive, Clarkston, Glasgow, Lanarkshire, G76 7JJ |
| MINES, Robert Anthony Wilton RESIGNED | Director | 03 Nov 2014 | 14 Jan 2017 | England | July 1956 | PO BOX 839, Flitwick, Bedford, MK45 9DU |
| MITCHELL, David Herbert RESIGNED | Director | | 30 Sep 1993 | | January 1942 | 11 Wolfridge Ride, Alveston, Bristol, BS35 3RA |
| MORDAN, Geoffrey Colin RESIGNED | Director | 05 Sep 2006 | 08 Sep 2010 | United Kingdom | November 1944 | Wyke Regis 157 Botley Road, Romsey, Hampshire, SO51 5SX |
| MORDAN, Geoffrey Colin RESIGNED | Director | 28 Aug 2002 | 10 Sep 2003 | United Kingdom | November 1944 | Wyke Regis 157 Botley Road, Romsey, Hampshire, SO51 5SX |
| MORDAN, Geoffrey Colin RESIGNED | Director | | 24 Oct 2001 | United Kingdom | November 1944 | Wyke Regis 157 Botley Road, Romsey, Hampshire, SO51 5SX |
| O'BRIEN, Edwin William, Dr RESIGNED | Director | 30 Oct 1998 | 07 Sep 2004 | United Kingdom | September 1940 | 46 Downs Cote Drive, Bristol, BS9 3TR |
| PULLIN, Rhys RESIGNED | Director | 03 Nov 2014 | 14 Jan 2017 | Wales | October 1975 | PO BOX 839, Flitwick, Bedford, MK45 9DU |
| QUINN, Simon, Dr RESIGNED | Director | 08 Sep 2010 | 03 Nov 2014 | United Kingdom | December 1972 | PO BOX 839, Flitwick, Bedford, MK45 9DU |
| RAMAGE, Andrew Ian RESIGNED | Director | 14 Jan 2017 | 31 Dec 2023 | United Kingdom | August 1979 | 124, City Road, London, EC1V 2NX, England |
| SHACKLETON, Judith Mary RESIGNED | Director | 05 Sep 2006 | 03 Oct 2012 | United Kingdom | March 1958 | 4 Beatrice Street, Oxenhope, West Yorkshire, BD22 9HX |
| TIPTON, Leighton Philip James RESIGNED | Director | 10 Sep 2003 | 05 Sep 2006 | | March 1976 | 101 Chellaston Road, Derby, Derbyshire, DE24 9AF |
| WINDOW, Albert Loxley RESIGNED | Director | | 30 Oct 1998 | | November 1932 | White Shutters 39 The Broadway, Sandhurst, Berkshire, GU47 8AB |
| WOOD, Robert RESIGNED | Director | 20 Sep 2019 | 12 Nov 2024 | England | August 1983 | 124, City Road, London, EC1V 2NX, England |