| WHYTE, Victoria Anne ACTIVE | Secretary | 31 Jan 2001 | | | | 79, New Oxford Street, London, WC1A 1DG, United Kingdom |
| DAVIDSON, Alistair Robert ACTIVE | Director | 31 Dec 2025 | | United Kingdom | December 1972 | 79, New Oxford Street, London, WC1A 1DG, United Kingdom |
| GLAXO GROUP LIMITED ACTIVE | Director | 31 Jan 2001 | | | | Gsk Medicines Research Centre, Gunnels Wood Road, Stevenage, SG1 2NY, England |
| THE WELLCOME FOUNDATION LIMITED ACTIVE | Director | 17 Feb 2020 | | | | 79, New Oxford Street, London, WC1A 1DG, United Kingdom |
| BICKNELL, Simon Michael RESIGNED | Secretary | 08 Apr 1998 | 28 Feb 2011 | | | 980, Great West Road, Brentford, Middlesex, TW8 9GS |
| BOLTON, Jonathan Mark RESIGNED | Secretary | | 08 Apr 1998 | | | Flat 21 Skillen Lodge, 552 Uxbridge Road, Pinner, Middlesex, HA3 3PR |
| NUTTALL, Leo Alexander RESIGNED | Secretary | 10 Sep 2001 | 29 Oct 2004 | | | 980 Great West Road, Brentford, Middlesex, TW8 9GS |
| STEPHENS, Richard James RESIGNED | Secretary | 31 Jul 2003 | 05 Mar 2007 | | | 980 Great West Road, Brentford, Middlesex, TW8 9GS |
| ANSELL, Patrick RESIGNED | Director | 02 Aug 2005 | 04 Aug 2006 | | September 1965 | 980 Great West Road, Brentford, Middlesex, TW8 9GS |
| BOLTON, Jonathan Mark RESIGNED | Director | 29 Sep 1997 | 08 Apr 1998 | | July 1966 | Flat 21 Skillen Lodge, 552 Uxbridge Road, Pinner, Middlesex, HA3 3PR |
| BORGER, James RESIGNED | Director | 25 Feb 2019 | 02 Mar 2020 | England | January 1963 | 980, Great West Road, Brentford, TW8 9GS, England |
| BURNS, Alan George RESIGNED | Director | 03 Dec 2012 | 03 Apr 2019 | England | March 1975 | 980, Great West Road, Brentford, Middlesex, TW8 9GS, England |
| CHRISTIAN, Christopher Lindsay RESIGNED | Director | 13 Oct 1995 | 29 Sep 1997 | | June 1950 | 16 Devoncroft Gardens, Twickenham, Middlesex, TW1 3PB |
| COOMBE, John David RESIGNED | Director | | 31 Mar 2005 | | March 1945 | Langdon Burtons Way, Chalfont St Giles, Buckinghamshire, HP8 4BW |
| COWDEN, Stephen John RESIGNED | Director | 01 Feb 1996 | 31 Jan 2001 | | July 1952 | 90 St Jamess Avenue, Hampton Hill, Hampton, Middlesex, TW12 1HN |
| DAVIES, Derek RESIGNED | Director | 06 Sep 2010 | 14 Dec 2012 | England | June 1963 | 980, Great West Road, Brentford, Middlesex, TW8 9GS |
| DAY, Lorraine Anne RESIGNED | Director | 08 Apr 1998 | 05 Dec 2005 | | July 1967 | 980 Great West Road, Brentford, Middlesex, TW8 9GS |
| DINGEMANS, Simon Paul RESIGNED | Director | 01 Apr 2011 | 01 May 2019 | United Kingdom | April 1963 | 980, Great West Road, Brentford, Middlesex, TW8 9GS |
| DUBIANSKIJ, Oleg RESIGNED | Director | 31 Jan 2017 | 13 Feb 2019 | England | February 1972 | Gsk, Shewalton Road, Irvine, KA11 5AP, Scotland |
| GRIST, Ashley Alexander RESIGNED | Director | 02 Oct 2006 | 20 Oct 2010 | United Kingdom | September 1965 | 980 Great West Road, Brentford, Middlesex, TW8 9GS |
| HESLOP, Julian Spenser RESIGNED | Director | 31 Jan 2001 | 31 Mar 2011 | United Kingdom | January 1954 | 980 Great West Road, Brentford, Middlesex, TW8 9GS |
| HEWITT, Malcolm David RESIGNED | Director | | 05 Dec 1994 | | December 1961 | Flat 2, 3 Marchwood Crescent, Ealing, London, W5 6DZ |
| HYDE, Jonathan Laurence Patrick RESIGNED | Director | | 13 Oct 1995 | | September 1953 | Chancellors House, School Lane Penn Street, Amersham, Buckinghamshire, HP7 0QJ |
| LYNCH, Ciara Martha RESIGNED | Director | 02 Mar 2020 | 31 Dec 2025 | England | July 1968 | 79, New Oxford Street, London, WC1A 1DG, United Kingdom |
| MORRIS, Nicholas Guy Usher RESIGNED | Director | 05 Dec 1994 | 01 Feb 1996 | England | April 1940 | Woodfield House, Oxford Road, Clifton Hampden, Oxfordshire, OX14 3EW |
| PANAGIOTIDIS, Charalampos RESIGNED | Director | 15 Feb 2019 | 02 Mar 2020 | England | July 1977 | Shewalton Road, Irvine, Ayrshire, KA11 5AP |
| STRACHAN, Jeremy Alan Watkin RESIGNED | Director | | 31 Dec 2000 | England | December 1944 | 16 Lonsdale Road, Barnes, London, SW13 9EB |