| FULLER, Barry James, Professor ACTIVE | Secretary | 30 Aug 2012 | | | | 95, Woodlands Road, Bookham, Leatherhead, KT23 4HL, England |
| AL-TAIAR, Hasanen Ali Hasoun, Dr ACTIVE | Director | 16 Feb 2017 | | England | January 1974 | 95, Woodlands Road, Bookham, Leatherhead, KT23 4HL, England |
| BARAKAT, Abdallah Mouther Hussin ACTIVE | Director | 05 Mar 2026 | | Wales | May 1998 | 95, Woodlands Road, Bookham, Leatherhead, KT23 4HL, England |
| BASSATNE, Perihan ACTIVE | Director | 12 Dec 2012 | | England | September 1968 | 95, Woodlands Road, Bookham, Leatherhead, KT23 4HL, England |
| FULLER, Barry James, Professor ACTIVE | Director | 01 Feb 2011 | | England | March 1948 | 95, Woodlands Road, Bookham, Leatherhead, KT23 4HL, England |
| GOODACRE, Timothy Edward ACTIVE | Director | 05 Mar 2026 | | England | April 1954 | 95, Woodlands Road, Bookham, Leatherhead, KT23 4HL, England |
| GREEN, Kathryn Rebecca ACTIVE | Director | 05 Jan 2019 | | England | December 1969 | 95, Woodlands Road, Bookham, Leatherhead, KT23 4HL, England |
| INGLIS, Rebecca Gabrielle ACTIVE | Director | 06 Jan 2026 | | England | April 1983 | 95, Woodlands Road, Bookham, Leatherhead, KT23 4HL, England |
| MAYNARD, Nicholas David ACTIVE | Director | 16 Feb 2017 | | United Kingdom | April 1962 | 95, Woodlands Road, Bookham, Leatherhead, KT23 4HL, England |
| SADEGHI ALAVIJEH, Mohammad, Professor ACTIVE | Director | 12 Dec 2012 | | England | December 1961 | 95, Woodlands Road, Bookham, Leatherhead, KT23 4HL, England |
| ROSE, Aubrey RESIGNED | Secretary | 22 Feb 2000 | 30 Aug 2012 | | | 14 Pagitts Grove, Hadley Wood, Hertfordshire, EN4 0NT |
| L & A SECRETARIAL LIMITED RESIGNED | Nominee Secretary | 22 Feb 2000 | 22 Feb 2000 | | | 31 Corsham Street, London, N1 6DR |
| ABDEL-MANNAN, Omar Assem RESIGNED | Director | 05 Jan 2019 | 20 Dec 2025 | United Kingdom | March 1987 | 17, Hannay Lane, London, N8 9QQ, England |
| BARAKAT, Abdallah Mounther Hussin RESIGNED | Director | 16 Jul 2025 | 03 Mar 2026 | Wales | May 1998 | 19, Cae Syr Dafydd, Cardiff, CF11 9QG, Wales |
| BEAVIS, John Patrick, Doctor RESIGNED | Director | 01 Jun 2015 | 05 Dec 2018 | England | June 1940 | 36, Priestfields, Rochester, Kent, ME1 3AG, England |
| BETTS, Paul RESIGNED | Director | 16 Feb 2017 | 05 Jan 2019 | England | October 1955 | C/O Y Block, Northwick Park & St Marks Hospitals, Watford Road, Harrow, Midlesex, HA1 3UJ, United Kingdom |
| CALMAN, Kenneth, Professor Sir RESIGNED | Director | 28 Sep 2000 | 23 Sep 2004 | | December 1941 | Hollingside House Hollingside Lane, Durham, DH1 3TL |
| CRAWLEY, Helen Susan, Dr RESIGNED | Director | 18 Nov 2022 | 04 Mar 2026 | England | May 1959 | 95, Woodlands Road, Bookham, Leatherhead, KT23 4HL, England |
| DUDLEY, Nicholas Eric RESIGNED | Director | 12 Dec 2012 | 31 Mar 2016 | England | December 1938 | Northwick Park Institute For, Medical Research Tt Block, Watford Road Harrow, Middlesex, HA1 3UJ |
| EVANS, David Charles, Lord Evans Of Watford RESIGNED | Director | 16 Feb 2011 | 31 Aug 2013 | England | November 1942 | 138, Grosvenor Road, London, SW1V 3JS, England |
| EWANS, Sarah Catherine RESIGNED | Director | 31 Jul 2019 | 20 Nov 2023 | England | August 1957 | 95, Woodlands Road, Bookham, Leatherhead, KT23 4HL, England |
| FAIRBAIRN, John Harry Magnus RESIGNED | Director | 12 Dec 2012 | 10 Dec 2017 | England | March 1969 | Northwick Park Institute For, Medical Research Tt Block, Watford Road Harrow, Middlesex, HA1 3UJ |
| FITZHARRIS, Sally RESIGNED | Director | 16 Feb 2017 | 01 Nov 2021 | England | March 1950 | 87, Priory Grove, London, SW8 2PD, England |
| GLENDINNING, Kay RESIGNED | Director | 28 Sep 2000 | 05 Jan 2019 | United Kingdom | March 1935 | Norton Lodge, Norton Lane Norton, Chichester, West Sussex, PO20 3NH |
| GOODACRE, Timothy Edward Elliott RESIGNED | Director | 31 Jul 2019 | 04 Mar 2026 | England | April 1954 | 95, Woodlands Road, Bookham, Leatherhead, KT23 4HL, England |
| GREEN, Colin James, Professor RESIGNED | Director | 28 Sep 2000 | 22 May 2008 | England | March 1935 | Rowandene Nottingham Road, Heronsgate, Rickmansworth, Hertfordshire, WD3 5DL |
| HAGG, Ian John RESIGNED | Director | 25 Mar 2011 | 12 Dec 2012 | England | April 1967 | 8, Colonndades Apartments, 105 Wilton Way, London, E8 1BH, England |
| HASSALL, Cedric Herbert, Dr RESIGNED | Director | 28 Sep 2000 | 22 May 2008 | | December 1919 | 2 Chestnut Close, Westoning, Bedford, MK45 5LR |
| INGLIS, Rebecca Gabrielle RESIGNED | Director | 31 Jul 2019 | 06 Jan 2026 | England | April 1983 | 95, Woodlands Road, Bookham, Leatherhead, KT23 4HL, England |
| LA ROVERE, Joan Marie, Doctor RESIGNED | Director | 28 Sep 2000 | 12 Dec 2012 | England | June 1966 | 54 Montpelier Walk, London, Knightsbridge, SW7 1JH |
| MAHMUD, Imran RESIGNED | Director | 12 Dec 2012 | 19 Mar 2018 | United Kingdom | December 1986 | Northwick Park Institute For, Medical Research Tt Block, Watford Road Harrow, Middlesex, HA1 3UJ |
| MCGROUTHER, Duncan Angus, Professor RESIGNED | Director | 28 Sep 2000 | 23 Sep 2004 | | March 1946 | 20 Stoneacre Gardens, Appleton, Warrington, WA4 5ET |
| MYERS, Joanne RESIGNED | Director | 16 Feb 2017 | 01 Nov 2021 | England | October 1963 | 13, The Vale, Stock, Ingatestone, Essex, CM4 9PW, England |
| NORTON, Christine Susan, Professor RESIGNED | Director | 16 Feb 2011 | 12 Dec 2012 | England | August 1954 | 64, Whielden Street, Amersham, Buckinghamshire, HP7 0JB, England |
| PARRY, Eldryd Hugh Owen, Sir RESIGNED | Director | 12 Dec 2012 | 03 Dec 2015 | United Kingdom | November 1930 | Northwick Park Institute For, Medical Research Tt Block, Watford Road Harrow, Middlesex, HA1 3UJ |
| PEGG, David Edward, Professor RESIGNED | Director | 16 Feb 2011 | 05 Jan 2019 | England | June 1933 | 10, St. Pauls Square, York, YO24 4BD, England |
| PRESCOTT, Catherine Denise, Dr RESIGNED | Director | 12 Dec 2012 | 10 Dec 2017 | England | April 1961 | Northwick Park Institute For, Medical Research Tt Block, Watford Road Harrow, Middlesex, HA1 3UJ |
| ROSE, Aubrey RESIGNED | Director | 22 Feb 2000 | 30 Aug 2012 | United Kingdom | November 1926 | 14 Pagitts Grove, Hadley Wood, Hertfordshire, EN4 0NT |
| SHIPLEY, Rebecca Julia RESIGNED | Director | 04 Sep 2020 | 12 Aug 2026 | England | May 1983 | 95, Woodlands Road, Bookham, Leatherhead, KT23 4HL, England |
| STUART, Kenneth Lamonte, Sir RESIGNED | Director | 22 Feb 2000 | 18 Sep 2008 | United Kingdom | June 1920 | 3 The Garth, Cobham, Surrey, KT11 2DZ |
| L & A REGISTRARS LIMITED RESIGNED | Nominee Director | 22 Feb 2000 | 22 Feb 2000 | | | 31 Corsham Street, London, N1 6DR |
| L & A REGISTRARS LIMITED RESIGNED | Director | 22 Feb 2000 | 22 Feb 2000 | | | 31 Corsham Street, London, N1 6DR |