| WOODROW, Martin ACTIVE | Secretary | 05 Feb 2020 | | | | 124, City Road, London, EC1V 2NX, England |
| ARMSTRONG, Michael Colin ACTIVE | Director | 21 Mar 2013 | | England | January 1961 | 124, City Road, London, EC1V 2NX, England |
| CANAVAN, Sarah Alice, Dr ACTIVE | Director | 06 Jun 2026 | | England | December 1970 | 124, City Road, London, EC1V 2NX, England |
| CROOKS, Peter Vaughan, Dr. ACTIVE | Director | 07 Feb 2019 | | Northern Ireland | February 1959 | 124, City Road, London, EC1V 2NX, England |
| CROUCH, Edward John ACTIVE | Director | 09 Feb 2017 | | England | January 1960 | 124, City Road, London, EC1V 2NX, England |
| EDWARDS, John Owen, Dr ACTIVE | Director | 01 Jan 2026 | | England | December 1951 | 124, City Road, London, EC1V 2NX, England |
| JONES, Nigel, Dr ACTIVE | Director | 01 Jan 2026 | | England | February 1958 | 124, City Road, London, EC1V 2NX, England |
| SHILLING, Richard David ACTIVE | Director | 01 Jan 2006 | | United Kingdom | February 1965 | 124, City Road, London, EC1V 2NX, England |
| STOKES, Jason Martin ACTIVE | Director | 24 Feb 2016 | | England | March 1970 | 124, City Road, London, EC1V 2NX, England |
| WOODROW, Martin ACTIVE | Director | 05 Feb 2020 | | England | June 1969 | 124, City Road, London, EC1V 2NX, England |
| HUNT, John Michael Graham RESIGNED | Secretary | 01 May 1993 | 31 Dec 2000 | | | 62 Reedworth Street, London, SE11 4PQ |
| WARD, Peter RESIGNED | Secretary | 13 Feb 2006 | 30 Sep 2019 | | | Longmead House, Shucknall, Hereford, Herefordshire, HR1 3SJ |
| WHITEHOUSE, Norman Harold RESIGNED | Secretary | | 30 Apr 1993 | | | White Cottage, Craig Penllyne, Cowbridge, South Glamorgan, CF7 7RT |
| WYLIE, Ian Martin, Dr RESIGNED | Secretary | 01 Jan 2001 | 31 Dec 2005 | | | 53 Plater Drive, Oxford, Oxfordshire, OX2 6QU |
| ALLEN, William Ronald RESIGNED | Director | 12 Jun 1993 | 20 Jun 2000 | England | January 1943 | Longacre 55 Church Road, Wickham Bishops, Witham, Essex, CM8 3JZ |
| BENNETT, Russell RESIGNED | Director | 03 Feb 2005 | 26 Jan 2008 | Britain | December 1968 | Thornton House, Northop Country Park, Northop, Clwyd, CH7 6WD |
| BETTLES, Roger Haywood RESIGNED | Director | | 21 Jan 1994 | | May 1938 | 18 Firs Road, Houghton On The Hill, Leicester, Leicestershire, LE7 9GU |
| BLAYLOCK, Paul David RESIGNED | Director | 21 Mar 2013 | 31 Dec 2024 | England | November 1978 | 64 Wimpole Street, London, W1G 8YS |
| BROWN, Graham Robert, Dr RESIGNED | Director | 27 Jan 2006 | 24 Jan 2009 | England | December 1948 | Fivebays, 25 Broadway, Bramhall, Cheshire, SK7 3BT |
| CRAIG, Geoffrey Terence RESIGNED | Director | 12 May 1994 | 17 Jul 2001 | | August 1945 | Triscombe 59 Whirlow Lane, Sheffield, South Yorkshire, S11 9QF |
| CRAIG, John Walker RESIGNED | Director | 20 Jun 2000 | 09 Dec 2004 | United Kingdom | November 1943 | The Grange Maddiston Road, Brightons, Falkirk, Stirlingshire, FK2 0JJ |
| CROSS, Laura Jayne, Dr RESIGNED | Director | 05 Feb 2020 | 31 Dec 2025 | Scotland | September 1968 | 64 Wimpole Street, London, W1G 8YS |
| DAVIES, Ralph Barry, Doctor RESIGNED | Director | 18 Jan 2003 | 21 Jul 2005 | England | January 1946 | Highfield Caunton Road, Hockerton, Southwell, Nottinghamshire, NG25 0PL |
| DENDY, Richard Allan RESIGNED | Director | 11 Feb 1995 | 14 Feb 1998 | | March 1938 | Felwide House, Hophouse Lane, Kirkby Lonsdale, LA6 2EH |
| DUBOURG, Catherine Lena, Dr RESIGNED | Director | 26 Jan 2008 | 21 Mar 2013 | | February 1963 | 9, Nant Y Gamar Road, Llandudno, Conwy, LL30 1YE |
| FALLOWFIELD, Martin Geoffrey, Dr RESIGNED | Director | 31 Jan 2004 | 17 Nov 2015 | United Kingdom | December 1956 | Waterville House, 39 Cherry Orton Road, Peterborough, Cambridgeshire, PE2 5EQ |
| FALLOWFIELD, Martin Geoffrey, Dr RESIGNED | Director | 20 Jun 2000 | 03 Feb 2001 | United Kingdom | December 1956 | Waterville House, 39 Cherry Orton Road, Peterborough, Cambridgeshire, PE2 5EQ |
| FULFORD, Martin Roger, Dr RESIGNED | Director | 31 Jan 2004 | 20 Jan 2010 | | April 1951 | Mares Mead, Southway Farm, Wells, Somerset, BA5 1RW |
| FULFORD, Martin Roger RESIGNED | Director | | 21 Jan 1994 | | April 1951 | 10b Lower Downside, Shepton Mallet, Somerset, BA4 4JX |
| GARNETT, Geoffrey Frank RESIGNED | Director | | 21 Jan 1994 | | February 1942 | Stanhill Hall, Oswaldtwistle, Lancs, BB5 4PP |
| GILL, Amarjit, Dr RESIGNED | Director | 18 Jan 2003 | 24 Jan 2009 | | September 1956 | 152 Bramcote Lane, Nottingham, Nottinghamshire, NG8 2QP |
| GLASGOW, Jeffrey Stewart RESIGNED | Director | 01 Jul 2002 | 12 Jun 2004 | | August 1957 | 34 The America, Sutton, Cambridgeshire, CB6 2NY |
| GLENN, Anthony Morgan RESIGNED | Director | 20 Jun 2000 | 30 Jun 2002 | United Kingdom | May 1944 | 69 Roe Green Close, Hatfield, Hertfordshire, AL10 9PF |
| GREEN, Alan Gordon RESIGNED | Director | | 06 Dec 1994 | | February 1928 | Foxwist Tirley Lane, Utkinton, Tarporley, Cheshire, CW6 0JZ |
| HARKER, Timothy RESIGNED | Director | 12 Feb 2015 | 01 Jan 2024 | Wales | September 1960 | 64 Wimpole Street, London, W1G 8YS |
| HAYWARD, Christopher Burgess, Dr RESIGNED | Director | 24 Jan 2009 | 21 Mar 2013 | | May 1952 | 8, Oakhurst Drive, Newcastle Upon Tyne, Tyne And Wear, NE3 4JS |
| HENDERSON, Philip Stanley Duff, Dr RESIGNED | Director | 21 Mar 2013 | 01 Jan 2019 | Northern Ireland | May 1949 | 64 Wimpole Street, London, W1G 8YS |
| HUNT, John Michael Graham RESIGNED | Director | 01 May 1993 | 31 Dec 2000 | | February 1942 | 62 Reedworth Street, London, SE11 4PQ |
| HUSBAND, Judith Ann, Dr RESIGNED | Director | 27 Jan 2006 | 31 Dec 2016 | United Kingdom | August 1974 | The Old Stables, Main Street, Upper Stowe, Northampton, Northamptonshire, NN7 4SH |
| JOHNSTON, Stuart Brooke, Dr RESIGNED | Director | 26 Jan 2008 | 21 Mar 2013 | United Kingdom | June 1950 | 1, St Cybi Avenue, Llangybi Nr Usk, Gwent, NP5 1TT |
| JONES, John Harold, Professor RESIGNED | Director | | 03 Jun 1995 | | July 1930 | 16 Malvern Drive, Altrincham, Cheshire, WA14 4NQ |
| JONES, Nigel RESIGNED | Director | 09 Feb 2017 | 06 Apr 2022 | England | February 1958 | 64 Wimpole Street, London, W1G 8YS |
| KAY, Elizabeth, Professor RESIGNED | Director | 02 Feb 2002 | 12 Jun 2004 | | March 1959 | Whitegate Farm, Tunstead, Bacup, Lancashire, OL13 8NL |
| KINLOCH, Robert Mcfarlane, Dr RESIGNED | Director | 26 Jan 2008 | 31 Dec 2016 | Scotland | April 1954 | Haldane Lea, Mollanbowie Road, Balloch, Dunbartonshire, G83 8EJ |
| LADWA, Rasikkumar Arjan, Dr RESIGNED | Director | 21 Mar 2013 | 06 Apr 2022 | United Kingdom | June 1950 | 64 Wimpole Street, London, W1G 8YS |
| LESTER, David RESIGNED | Director | 11 Jun 1994 | 20 Jun 2000 | United Kingdom | December 1947 | Trevigue Springle Lane, Hailey, Hertford, Hertfordshire, SG13 7NZ |
| LLOYD, David Gwynne RESIGNED | Director | | 20 Nov 1998 | | August 1936 | Rock House Mews 83 Gwscwm Road, Pembrey, Burry Port, Dyfed, SA16 0YR |
| LOCKYER, Alison Ruth, Dr RESIGNED | Director | 21 Mar 2013 | 31 Dec 2025 | England | March 1957 | 64 Wimpole Street, London, W1G 8YS |
| LOCKYER, Alison Ruth RESIGNED | Director | 20 Jun 2000 | 31 Jan 2004 | | March 1957 | Pine Cottages Portland Towers, Leicester, LE2 2PG |
| LOCKYER, Alison Ruth RESIGNED | Director | 24 Jun 1995 | 14 Feb 1998 | | March 1957 | Pine Cottages Portland Towers, Leicester, LE2 2PG |
| MANN, Trevor Irvin John RESIGNED | Director | 21 Jul 2005 | 26 Oct 2007 | | July 1947 | White Heather, 11, Highview, Sutton, Surrey, SM2 7DZ |
| MATTHEWSON, Alexander Pirrett RESIGNED | Director | 11 Feb 1995 | 14 Feb 1998 | Scotland | September 1940 | 40, Fountainhall Road, Aberdeen, Aberdeenshire, AB15 4DT |
| MCGONIGLE, Barry, Doctor RESIGNED | Director | 03 Feb 2001 | 26 Jan 2008 | Northern Ireland | May 1956 | 2 Carlisle Villas, Gortin Road, Omagh, Co Tyrone, BT79 7AO, N Ireland |
| MILLER, Alasdair Gordon RESIGNED | Director | 04 Jul 1995 | 20 Jun 2000 | United Kingdom | January 1954 | 5 Manor Road, Taunton, Somerset, TA1 5BB |
| MOURIN, Susan Elizabeth RESIGNED | Director | 01 May 1993 | 05 Nov 1994 | | May 1948 | 40 Highlea Avenue, Flackwell Heath, High Wycombe, Buckinghamshire, HP10 9AH |
| OSTERLOH, Keith Edward RESIGNED | Director | | 24 Nov 1994 | | August 1940 | Barley Fordwater Road, Chichester, West Sussex, PO19 4PR |
| PATEL, Nilesh, Dr RESIGNED | Director | 24 Jan 2009 | 21 Mar 2013 | United Kingdom | November 1979 | 9 Holbein House, 60 Marsh Lane, Stanmore, Middx, HA7 4HW |
| PHIPPS, John Michael RESIGNED | Director | 11 Jun 1994 | 18 Jan 2003 | | September 1945 | Ronceray Parkfield, Sevenoaks, Kent, TN15 0HX |
| RENSHAW, John RESIGNED | Director | 24 Feb 1998 | 15 Dec 2005 | | October 1945 | Welborn House Main Street, Flixton, Scarborough, North Yorkshire, YO11 3UB |
| RICH, Josef Lionel RESIGNED | Director | 14 Feb 1998 | 31 Jan 2004 | United Kingdom | August 1938 | 1 Stanhope Road, Bowdon, Altrincham, Cheshire, WA14 3LB |
| ROBSON, John Stuart RESIGNED | Director | | 20 Jun 2000 | | May 1939 | Dunelm Black Dykes Lane, Upper Poppleton, York, North Yorkshire, YO2 6PT |
| ROSS, Celia RESIGNED | Director | 14 Feb 1998 | 20 Jun 2000 | | June 1941 | 5 Colville Court, Great Missenden, Buckinghamshire, HP16 0BX |
| SANDERSON, Susan Carol RESIGNED | Director | 20 Jun 2000 | 01 Jan 2016 | England | August 1953 | 6, Schofield Road, Oakham, Rutland, LE15 6FW |
| SWISS, Peter Brian Frecker RESIGNED | Director | | 05 Nov 1994 | | May 1943 | Thurswell, Broadbridge Heath Road, Warnham, West Sussex, RH12 3RT |
| WARD, Peter RESIGNED | Director | 13 Feb 2006 | 30 Sep 2019 | | February 1960 | Longmead House, Shucknall, Hereford, Herefordshire, HR1 3SJ |
| WATKINS, David Gordon RESIGNED | Director | 21 Mar 1995 | 15 Dec 2005 | | February 1948 | 2 Green Fall Rectory Lane, Poringland, Norwich, Norfolk, NR14 7SP |
| WHITEHOUSE, Norman Harold RESIGNED | Director | | 30 Apr 1993 | | April 1938 | White Cottage, Craig Penllyne, Cowbridge, South Glamorgan, CF7 7RT |
| WRIGHT, Paul Stanley, Professor RESIGNED | Director | 11 Mar 2009 | 11 Mar 2009 | United Kingdom | May 1946 | The Lodge, Station Road, Eynsford, Dartford, Kent, DA4 0ER |
| WYLIE, Ian Martin, Dr RESIGNED | Director | 01 Jan 2001 | 31 Dec 2005 | United Kingdom | October 1955 | 53 Plater Drive, Oxford, Oxfordshire, OX2 6QU |