| BIRX, Deborah, Dr ACTIVE | Director | 10 Jul 2023 | | United States | April 1956 | 2, Communications Road, Greenham Business Park, Newbury, Berkshire, RG19 6AB, England |
| HAIMOVITZ, Jules ACTIVE | Director | 07 Jun 2021 | | United States | December 1950 | 2, Communications Road, Greenham Business Park, Newbury, Berkshire, RG19 6AB, England |
| BHARDWAJ, Ashok RESIGNED | Nominee Secretary | 20 Oct 1997 | 20 Oct 1997 | | | 47-49 Green Lane, Northwood, Middlesex, HA6 3AE |
| HURWITZ, Jonathan RESIGNED | Secretary | 20 Oct 1997 | 31 Oct 2001 | | | 27b The Burroughs, London, Middlsex, NW4 4AR |
| MILANEN, Tuula Kristiina RESIGNED | Secretary | 16 Apr 2008 | 06 Jan 2011 | | | Inwood, New Road, Wootton Bridge, Isle Of Wight, PO33 4HY |
| POSTON, David RESIGNED | Secretary | 06 Jan 2011 | 29 Sep 2011 | | | Mill House, Overbridge Square, Hambridge Lane, Newbury, Berkshire, RG14 5UX, United Kingdom |
| SHEPPARD, Julian Mark RESIGNED | Secretary | 31 Oct 2001 | 17 Sep 2005 | | | Down Farm, Hindon, Salisbury, Wiltshire, SP3 5TA |
| WILLIAMS, Caroline Ann, Dr RESIGNED | Secretary | 22 Sep 2005 | 16 Apr 2008 | | | Reef House, Cliff Road, Totland Bay, Isle Of Wight, PO39 0EH |
JAMES COWPER TRUSTEES LIMITED RESIGNEDRegistration number 04117467 | Secretary | 30 Sep 2011 | 23 May 2024 | | | 3, Wesley Gate, Queens Road, Reading, Berkshire, RG1 4AP, United Kingdom |
| ANGGARD, Erik, Professor RESIGNED | Director | 17 Jan 2007 | 06 Jan 2011 | England | March 1934 | Penns, Marsh Baldon, Oxford, OX44 9LS |
| ANGGARD, Erik, Professor RESIGNED | Director | 19 Sep 2000 | 08 Jan 2005 | England | March 1934 | Penns, Marsh Baldon, Oxford, OX44 9LS |
| BLUNT JR, Frank Christopher RESIGNED | Director | 22 Dec 2003 | 29 Jul 2004 | | August 1937 | PO BOX 2097, Boca Raton, Florida 33427, Usa |
| BOSHER, David Earl RESIGNED | Director | 01 Dec 2015 | 27 Jun 2016 | United States | June 1953 | Mill House, Overbridge Square, Hambridge Lane, Newbury, Berkshire, RG14 5UX |
| BUTLER, Erin Lee Michelle RESIGNED | Director | 01 Jul 2022 | 01 May 2023 | United States | November 1978 | 2, Communications Road, Greenham Business Park, Newbury, Berkshire, RG19 6AB, England |
| CAPPABIANCA, Edward Charles RESIGNED | Director | 06 Jan 2011 | 07 Nov 2011 | United Kingdom | December 1964 | Mill House, Overbridge Square, Hambridge Lane, Newbury, Berkshire, RG14 5UX, United Kingdom |
| CURNOCK-COOK, Jeremy Lawrence RESIGNED | Director | 06 Jan 2011 | 08 Dec 2020 | United Kingdom | September 1949 | 2, Communications Road, Greenham Business Park, Newbury, Berkshire, RG19 6AB, England |
| EVANS, Nigel James Forrester RESIGNED | Director | 24 Sep 2002 | 06 Jan 2011 | England | July 1938 | Applegarth, 78 High Street, Repton, Derby, Derbyshire, DE65 6GF |
| GRINT, Paul Charles Alexander, Dr. RESIGNED | Director | 01 Jun 2017 | 05 Oct 2020 | United States | December 1957 | 3579, Valley Centre Drive, Suite 100, San Diego, Ca, 92130, United States |
| HAMILTON, Giles RESIGNED | Director | 10 Mar 2004 | 21 Sep 2005 | Uk | September 1965 | Meiklerig, Stenton, Dunbar, East Lothian, EH42 1TF |
| HARPER, David Richard, Dr RESIGNED | Director | 16 Apr 2008 | 06 Jan 2011 | England | July 1960 | 8 School Lane, Greenfield, Bedford, Bedfordshire, MK45 5DE |
| HARPER, David Richard, Dr RESIGNED | Director | 20 Oct 1997 | 28 Jan 2005 | England | July 1960 | 8 School Lane, Greenfield, Bedford, Bedfordshire, MK45 5DE |
| HURWITZ, Jonathan RESIGNED | Director | 20 Oct 1997 | 31 Oct 2001 | | August 1960 | 27b The Burroughs, London, Middlsex, NW4 4AR |
| MARTIN, Steve Robert RESIGNED | Director | 27 Jun 2016 | 30 Jun 2022 | United States | February 1961 | 3579, Valley Centre Dr, Suite 100, San Diego, CA 92130, United States |
| MCBRIDE, Martin RESIGNED | Director | 30 Nov 2005 | 31 Jul 2006 | England | August 1962 | North Saltings, Harbour Way Chidham, Chichester, West Sussex, PO18 8TG |
| MILLER, Martin William, Dr RESIGNED | Director | 13 May 2002 | 30 Apr 2004 | | April 1953 | 12 Killams Close, Taunton, Somerset, TA1 3LD |
| PATRICK, Todd Robert RESIGNED | Director | 05 Oct 2019 | 16 Nov 2022 | United States | June 1962 | 4503, Glencoe Ave, Marina Del Rey, Ca 90292, United States |
| SALKA, Michael Scott RESIGNED | Director | 01 Dec 2015 | 31 May 2017 | Usa | January 1962 | Mill House, Overbridge Square, Hambridge Lane, Newbury, Berkshire, RG14 5UX |
| SCOTT, David Vaughan RESIGNED | Director | 18 Oct 2007 | 06 Jan 2011 | England | February 1950 | 6 Sunnyhill Road, Loughborough, Leicestershire, LE11 3NB |
| SHEPPARD, Julian Mark RESIGNED | Director | 02 Aug 2001 | 17 Sep 2005 | England | December 1956 | Down Farm, Hindon, Salisbury, Wiltshire, SP3 5TA |
| SMITH, Philip Henry, Dr RESIGNED | Director | 01 Jul 2003 | 19 Oct 2005 | United Kingdom | November 1946 | Old White Horse Main Street, Padbury, Buckingham, Buckinghamshire, MK18 2AY |
| VARNUM, Brian RESIGNED | Director | 02 Aug 2021 | 10 Jul 2023 | United States | February 1960 | 2, Communications Road, Greenham Business Park, Newbury, Berkshire, RG19 6AB, England |
| WALKER, John Trevor, Professor RESIGNED | Director | 27 Jan 2003 | 02 Sep 2003 | | April 1934 | Apartment 1 The Prya Centre, Talgarth, Brecon, Powys, LD3 0DS |
| WILLIAMS, Caroline Ann, Dr RESIGNED | Director | 22 Sep 2005 | 26 Jun 2013 | England | March 1954 | 27, St. Catherines Road, Hayling Island, Hampshire, PO11 0HF, United Kingdom |
| WREN, Brendan RESIGNED | Director | 19 Sep 2000 | 02 Sep 2003 | | May 1960 | 15 Lower Dagnall Street, St. Albans, Hertfordshire, AL3 4PE |
| YOUNG, Philip Joseph RESIGNED | Director | 07 Nov 2011 | 15 Sep 2014 | United States | September 1957 | Virginia Biotechnology Research Park 800, East Leigh Street, Richmond, Va, 23219, Usa |
| BHARDWAJ CORPORATE SERVICES LIMITED RESIGNED | Nominee Director | 20 Oct 1997 | 20 Oct 1997 | | | 47-49 Green Lane, Northwood, Middlesex, HA6 3AE |