| WHYTE, Victoria Anne ACTIVE | Secretary | 18 Jan 2002 | | | | 79, New Oxford Street, London, WC1A 1DG, United Kingdom |
| BROWN, Julie Belita ACTIVE | Director | 01 May 2023 | | United Kingdom | March 1962 | 79, New Oxford Street, London, WC1A 1DG, United Kingdom |
| WOODTHORPE, Timothy John ACTIVE | Director | 02 Mar 2026 | | United Kingdom | January 1979 | 79, New Oxford Street, London, WC1A 1DG, United Kingdom |
| EDINBURGH PHARMACEUTICAL INDUSTRIES LIMITED ACTIVE | Director | 28 Feb 2001 | | | | Shewalton, Road, -, Irvine, Ayrshire, KA11 5AP, Scotland |
| GLAXO GROUP LIMITED ACTIVE | Director | 28 Feb 2001 | | | | Gsk Medicines Research Centre, Gunnels Wood Road, Stevenage, SG1 2NY, England |
| BALFOUR, Ian Main Ferguson RESIGNED | Secretary | | 01 Jan 1994 | | | Hatherleigh Tite Hill, Englefield Green, Egham, Surrey, TW20 0NH |
| BICKNELL, Simon RESIGNED | Secretary | 30 Jul 2013 | 10 Mar 2014 | | | 980 Great West Road, Brentford, Middlesex, TW8 9GS |
| BRYANT, Karina Jane RESIGNED | Secretary | 20 Dec 1999 | 18 Jan 2002 | | | 25 Seaton Road, London Colney, St Albans, Hertfordshire, AL2 1RL |
| COOMBER, Caroline Daphne RESIGNED | Secretary | 04 Sep 1998 | 20 Dec 1999 | | | 146b Ashburnham Road, Luton, Bedfordshire, LU1 1JY |
| DILLON, Alison Marie RESIGNED | Secretary | 16 Feb 1994 | 04 Sep 1998 | | | The End House, Pishill, Henley On Thames, Oxfordshire, RG9 6HJ |
| HORLER, Alison Marie RESIGNED | Secretary | 01 Jan 1994 | 01 Jan 1994 | | | 29 Kempton Court, Kempton Avenue, Sunbury On Thames, Surrey, TW16 5PA |
| MCCLINTOCK, Clare Alexandra RESIGNED | Secretary | 01 Jan 1994 | 08 May 1996 | | | Flat 13 Barons Keep, Gliddon Road, London, W14 9AT |
| WILBRAHAM, Simon Nicholas RESIGNED | Secretary | 04 Sep 1998 | 28 Feb 2001 | | | 13 West View Road, St Albans, Hertfordshire, AL3 5JX |
| BLACKBURN, Paul Frederick RESIGNED | Director | 01 Jan 1999 | 01 Mar 2001 | | October 1954 | Kinsale, Beeches Park, Beaconsfield, Buckinghamshire, HP9 1PH |
| BONFIELD, Andrew Robert John RESIGNED | Director | 11 Apr 1994 | 27 Dec 2000 | | August 1962 | Ukuthula House, Saint Marys Road, Ascot, Berkshire, SL5 9AX |
| COLLUM, Hugh Robert RESIGNED | Director | | 31 Dec 1998 | | June 1940 | Clinton Lodge, Fletching, East Sussex, TN22 3ST |
| CROMPTON, Stephen Thomas RESIGNED | Director | | 01 Mar 2001 | England | February 1946 | Littleworth House, Common Lane Littleworth Common, Burnham, Buckinghamshire, SL1 8PP |
| DEE, Nicholas Charles RESIGNED | Director | | 01 Mar 2001 | England | July 1949 | Blanefield, 2a Bois Avenue, Amersham, Buckinghamshire, HP6 5NS |
| DINGEMANS, Simon Paul RESIGNED | Director | 01 Apr 2011 | 01 May 2019 | United Kingdom | April 1963 | 980, Great West Road, Brentford, Middlesex, TW8 9GS |
| HESLOP, Julian Spenser RESIGNED | Director | 09 Sep 2009 | 31 Mar 2011 | United Kingdom | January 1954 | 980 Great West Road, Brentford, Middlesex, TW8 9GS |
| HOUSE, Philip Glyn RESIGNED | Director | | 11 Apr 1994 | | January 1947 | 45 Letchworth Road, Baldock, Hertfordshire, SG7 6AA |
| MACKAY, Iain James RESIGNED | Director | 01 May 2019 | 01 May 2023 | England | October 1961 | 980 Great West Road, Brentford, Middlesex, TW8 9GS |