| BROGDEN, Edward Francis ACTIVE | Director | 06 Nov 2025 | | United Kingdom | September 1976 | 79, New Oxford Street, London, WC1A 1DG, United Kingdom |
| EDINBURGH PHARMACEUTICAL INDUSTRIES LIMITED ACTIVE | Director | 16 Aug 2006 | | | | Shewalton Road, Irvine, Ayrshire, KA11 5AP |
| GLAXO GROUP LIMITED ACTIVE | Director | 16 Aug 2006 | | | | Gsk Medicines Research Centre, Gunnels Wood Road, Stevenage, SG1 2NY, United Kingdom |
| BECKWITH, Moira Aileen RESIGNED | Secretary | 09 Aug 2001 | 31 Jul 2017 | | | 980 Great West Road, Brentford, Middlesex, TW8 9GS |
| BEDFORD, Christopher John Roland RESIGNED | Secretary | 15 Nov 1994 | 06 Sep 1996 | | | Highdown Haslemere Road, Milford, Godalming, Surrey, GU8 5BP |
| BICKNELL, Simon Michael RESIGNED | Secretary | | 15 Nov 1994 | | | 3 North Common Road, Ealing, London, W5 2QA |
| BICKNELL, Simon Michael RESIGNED | Secretary | | 11 Nov 1993 | | | 3 North Common Road, Ealing, London, W5 2QA |
| LEVY, Edward Geoffrey RESIGNED | Secretary | 07 Sep 1996 | 22 May 1997 | | | 70 Burlington Avenue, Richmond, Surrey, TW9 4DH |
| LISTER, Neil RESIGNED | Secretary | 22 May 1997 | 09 Aug 2001 | | | 163 Wood Street, Chelmsford, Essex, CM2 8BJ |
| ABERAVON, Howe Of, Lord RESIGNED | Director | 04 Nov 1992 | 31 Dec 1995 | | December 1926 | Summerfold, Malthouse Lane, Long Compton, Warwickshire, CV36 5JL |
| ARCULUS, Ronald, Sir RESIGNED | Director | | 01 Sep 1994 | United Kingdom | February 1923 | 20 Kensington Court Gardens, London, W8 5QF |
| CHEMIRMIR, James Kibet RESIGNED | Director | 15 Feb 2022 | 03 Mar 2023 | England | April 1972 | 980 Great West Road, Brentford, Middlesex, TW8 9GS |
| COLLINGE, Robert RESIGNED | Director | 05 Apr 2004 | 07 Feb 2006 | | January 1947 | 980 Great West Road, Brentford, Middlesex, TW8 9GS |
| COOMBE, John David RESIGNED | Director | 13 Nov 1995 | 31 Mar 2005 | | March 1945 | Langdon Burtons Way, Chalfont St Giles, Buckinghamshire, HP8 4BW |
| CORNESS, Colin Ross, Sir RESIGNED | Director | 24 Apr 1995 | 25 Jan 2001 | | October 1931 | Piplye Cottage, Cinder Hill Sharpthorne, East Grinstead, Sussex, RH19 4HZ |
| CUCKNEY, John Graham, Lord RESIGNED | Director | | 15 Nov 1994 | | July 1925 | 6 Marsham Court, Marsham Street Westminster, London, SW1P 4JY |
| DAHRENDORF, Ralf, The Lord RESIGNED | Director | 04 Nov 1992 | 13 Feb 1997 | | May 1929 | 98 Frognal, London, NW3 6XB |
| DERX, Donald John RESIGNED | Director | | 31 Dec 1995 | | June 1928 | 40 Raymond Road, Wimbledon, London, SW19 4AP |
| FERGUSSON, Kenneth Mackenzie Neil RESIGNED | Director | | 08 Feb 1994 | | August 1930 | Blink Bonny House, Haddington, Lothian, EH41 4HF |
| FORD, James Robert Anthony RESIGNED | Director | 19 May 2005 | 28 Jul 2006 | | November 1966 | 980 Great West Road, Brentford, Middlesex, TW8 9GS |
| GIROLAMI, Paul, Sir RESIGNED | Director | | 17 Oct 1994 | | January 1926 | 6 Burghley Road, Wimbledon, London, SW19 5BH |
| HIGNETT, John Mulock RESIGNED | Director | | 13 Nov 1995 | | March 1934 | 61 Roehampton Lane, London, SW15 5NE |
| LEVY, Edward Geoffrey RESIGNED | Director | | 04 Oct 1995 | | November 1937 | 70 Burlington Avenue, Richmond, Surrey, TW9 4DH |
| LLOYD, Dinah Kathleen RESIGNED | Director | 25 Jan 2001 | 09 Aug 2001 | | July 1948 | 15 Chiltern Hills Road, Beaconsfield, Buckinghamshire, HP9 1PL |
| LYONS, Carolina Niloma RESIGNED | Director | 17 Apr 2023 | 06 Nov 2025 | England | January 1985 | 79, New Oxford Street, London, WC1A 1DG, United Kingdom |
| MARIO, Ernest RESIGNED | Director | | 12 May 1993 | | June 1938 | Flat 24 Eaton Mansions, Clivedon Place, London, SW1W 8HE |
| MEHEW, Anthony John RESIGNED | Director | 09 Aug 2001 | 31 Jul 2017 | United Kingdom | January 1944 | 980, Great West Road, Brentford, Middlesex, TW8 9GS |
| MULLOCK, Nicole RESIGNED | Director | 15 Sep 2017 | 15 Feb 2022 | United Kingdom | August 1980 | Gsk House, 980 Great West Road, Brentford, Middlesex, TW8 9GS, United Kingdom |
| NEWELL, Priscilla Jane RESIGNED | Director | 20 Jun 1994 | 20 May 2004 | | April 1944 | 69 Moore Park Road, Fulham, London, SW6 2HH |
| RAISMAN, John Michael RESIGNED | Director | | 11 Nov 1993 | | February 1929 | Netheravon House, Netheravon Road South, London, W4 2PY |
| ROWSON, John Anthony RESIGNED | Director | 04 Nov 1992 | 03 Apr 1996 | | May 1930 | 7 Wilton Street, London, SW1X 7AF |
| SYKES, Richard Brook, Sir RESIGNED | Director | 22 Jun 1993 | 04 May 1995 | United Kingdom | August 1942 | 170 Queens Gate, London, SW7 5HF |