| WHYTE, Victoria ACTIVE | Secretary | 28 Feb 2011 | | | | 79, New Oxford Street, London, WC1A 1DG, United Kingdom |
| GURUNLU RUSS, Demet ACTIVE | Director | 25 Jun 2024 | | United Kingdom | October 1971 | 79, New Oxford Street, London, WC1A 1DG, United Kingdom |
| KHAVANDI, Kaivan, Dr ACTIVE | Director | 22 May 2024 | | United Kingdom | April 1985 | 79, New Oxford Street, London, WC1A 1DG, United Kingdom |
| LYNCH, Aidan ACTIVE | Director | 20 Aug 2024 | | Ireland | February 1964 | 79, New Oxford Street, London, WC1A 1DG, United Kingdom |
| PICKERING, Christopher David George ACTIVE | Director | 22 May 2024 | | United Kingdom | March 1973 | 79, New Oxford Street, London, WC1A 1DG, United Kingdom |
| RIVERS, Graham Paul ACTIVE | Director | 20 Sep 2023 | | United Kingdom | May 1971 | 79, New Oxford Street, London, WC1A 1DG, United Kingdom |
| EDINBURGH PHARMACEUTICAL INDUSTRIES LIMITED ACTIVE | Director | 31 Jan 2001 | | | | Shewalton Road, Irvine, Ayrshire, KA11 5AP, Scotland |
| GLAXO GROUP LIMITED ACTIVE | Director | 31 Jan 2001 | | | | Gsk Medicines Research Centre, Gunnels Wood Road, Stevenage, United Kingdom, SG1 2NY, United Kingdom |
| BICKNELL, Simon Michael RESIGNED | Secretary | 08 Apr 1998 | 28 Feb 2011 | | | 980, Great West Road, Brentford, Middlesex, TW8 9GS |
| BICKNELL, Simon Michael RESIGNED | Secretary | | 08 Dec 1994 | | | 3 North Common Road, Ealing, London, W5 2QA |
| BOLTON, Jonathan Mark RESIGNED | Secretary | 15 Aug 1997 | 08 Apr 1998 | | | Flat 21 Skillen Lodge, 552 Uxbridge Road, Pinner, Middlesex, HA3 3PR |
| CHRISTIAN, Christopher Lindsay RESIGNED | Secretary | 01 Nov 1995 | 15 Aug 1997 | | | 16 Devoncroft Gardens, Twickenham, Middlesex, TW1 3PB |
| HYDE, Jonathan Laurence Patrick RESIGNED | Secretary | 08 Dec 1994 | 31 Oct 1995 | | | Chancellors House, School Lane Penn Street, Amersham, Buckinghamshire, HP7 0QJ |
| ADAM, Christopher RESIGNED | Director | 16 Feb 1994 | 26 Jan 1995 | United Kingdom | September 1940 | 50-51 Queens Gate Gardens, London, SW7 5NF |
| ALLEN, David George RESIGNED | Director | 01 Dec 2015 | 30 Apr 2024 | United Kingdom | July 1959 | Medicines Research Centre, Gunnels Wood Road, Stevenage, Hertfordshire, SG1 2NY, United Kingdom |
| ANDERSON, Jill Dawn RESIGNED | Director | 01 Mar 2023 | 25 Jun 2024 | England | March 1964 | 980, Great West Road, Brentford, Middlesex, TW8 9GS, United Kingdom |
| ANDO, Goran Albert Torstensson, Doctor RESIGNED | Director | | 16 Jan 1995 | | March 1949 | 11 Latchmoor Avenue, Gerrards Cross, Bucks, SL9 8LJ |
| ANDRIES, Jerome Charles Maurice RESIGNED | Director | 12 Apr 2018 | 01 Mar 2023 | England | May 1969 | 980, Great West Road, Brentford, Middlesex, TW8 9GS, United Kingdom |
| BAKER, Darrell RESIGNED | Director | 01 Jul 2010 | 18 Feb 2013 | England | February 1953 | 980, Great West Road, Brentford, Middlesex, TW8 9GS, England |
| BAXTER, Allan, Dr RESIGNED | Director | 19 Jan 1995 | 30 Jun 2010 | United Kingdom | February 1950 | 980, Great West Road, Brentford, Middlesex, TW8 9GS |
| BRITTAIN, Roy Thomas, Dr RESIGNED | Director | | 31 Dec 1992 | | November 1930 | 34 Royal Oak Road, Pirton, Hitchin, Herts, SG5 |
| BURNS, Alan George RESIGNED | Director | 02 Sep 2015 | 29 Jan 2016 | England | March 1975 | 980 Great West Road, Brentford, Middlesex, TW8 9GS |
| EAVES, Terence, Doctor RESIGNED | Director | 27 Jul 1995 | 31 Jan 2001 | | May 1946 | Tower Cottage West Witheridge, Knotty Green, Beaconsfield, Buckinghamshire, HP9 2TW |
| EAVES, Terence, Doctor RESIGNED | Director | | 16 Jan 1995 | | May 1946 | Tower Cottage West Witheridge, Knotty Green, Beaconsfield, Buckinghamshire, HP9 2TW |
| FECZKO, Joseph Michael, Dr RESIGNED | Director | 05 Nov 1992 | 30 Jan 1995 | | April 1949 | Flat 5 88-90 Randolph Avenue, London, W9 1BD |
| HALSEY, Audra Jane RESIGNED | Director | 26 Feb 2021 | 20 Sep 2023 | United Kingdom | November 1974 | 980 Great West Road, Brentford, Middlesex, TW8 9GS |
| HENNAH, Adrian RESIGNED | Director | 27 Jul 1995 | 01 Mar 1999 | | November 1957 | 67 Copthorne Road, Croxley Green, Rickmansworth, Hertfordshire, WD3 4AH |
| HUMER, Franz Bernhard RESIGNED | Director | 01 Aug 1994 | 01 Dec 1994 | United Kingdom | July 1946 | 34 Campden Hill Court, Campden Hill Road, London, W8 7HS |
| HURT, Douglas Malcolm RESIGNED | Director | 08 Feb 1993 | 31 Jul 1995 | | June 1956 | 20 Bernard Gardens, Wimbledon, London, SW19 7BE |
| LANCE, Sean Patrick RESIGNED | Director | | 24 May 1993 | United Kingdom | August 1947 | 25a Warrington Crescent, London, W9 1ED |
| MARTINDALE, Lucy Gene RESIGNED | Director | 01 Mar 1999 | 31 Jan 2001 | | February 1954 | 4109 Swarthmore Road, Durham, North Carolina, 27707, Usa |
| NIEDEL, James Edward, Doctor RESIGNED | Director | 19 Jan 1995 | 19 Mar 2001 | | March 1944 | 34 Berkeley Square, London, W1J 5AA |
| PALMER, James Barry Douglas, Doctor RESIGNED | Director | 19 Jan 1995 | 01 Dec 2002 | | April 1953 | 46 Upper Grosvenor Street, London, W1 |
| PRICE, Barry John, Dr RESIGNED | Director | | 01 Dec 1993 | England | July 1943 | Warren Farmhouse Warren Cottages, Warren Lane Cottered, Buntingford, Hertfordshire, SG9 9QG |
| RICHMOND, Mark Henry, Sir RESIGNED | Director | 01 Dec 1993 | 17 Jan 1995 | | February 1931 | Flat 16 St Andrews Mansions, Dorset Street, London, W1H 3FD |
| ROSS, Barry Clive, Dr RESIGNED | Director | 16 Feb 1994 | 30 Jan 1995 | | August 1948 | Garthhead, Annables Lane, Harpenden, Hertfordshire, AL5 3PL |
| SYKES, Richard Brook, Sir RESIGNED | Director | | 31 Jul 1994 | United Kingdom | August 1942 | 170 Queens Gate, London, SW7 5HF |
| TOMLINSON, Ian, Dr RESIGNED | Director | 13 Feb 2013 | 01 Aug 2015 | Uk | February 1969 | 980, Great West Road, Brentford, Middlesex, TW8 9GS, England |