| WHYTE, Victoria Anne ACTIVE | Secretary | 06 Jun 2001 | | | | 79, New Oxford Street, London, WC1A 1DG, United Kingdom |
| WALKER, Adam ACTIVE | Director | 01 Oct 2015 | | United Kingdom | November 1967 | 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 |
| THE WELLCOME FOUNDATION LIMITED ACTIVE | Director | 05 Mar 2002 | | | | 79, New Oxford Street, London, WC1A 1DG, United Kingdom |
| BICKNELL, Simon Michael RESIGNED | Secretary | 31 Jan 2001 | 28 Feb 2011 | | | 980, Great West Road, Brentford, Middlesex, TW8 9GS |
| COWDEN, Stephen John RESIGNED | Secretary | 01 Feb 1996 | 31 Jan 2001 | | | 90 St Jamess Avenue, Hampton Hill, Hampton, Middlesex, TW12 1HN |
| HYDE, Jonathan Laurence Patrick RESIGNED | Secretary | | 31 Jan 1993 | | | Chancellors House, School Lane Penn Street, Amersham, Buckinghamshire, HP7 0QJ |
| MORRIS, Nicholas Guy Usher RESIGNED | Secretary | 01 Feb 1993 | 01 Feb 1996 | | | Woodfield House, Oxford Road, Clifton Hampden, Oxfordshire, OX14 3EW |
| STEPHENS, Richard James RESIGNED | Secretary | 21 Jul 2003 | 05 Mar 2007 | | | 980 Great West Road, Brentford, Middlesex, TW8 9GS |
| ADAM, Christopher RESIGNED | Director | | 31 Jan 1993 | United Kingdom | September 1940 | 50-51 Queens Gate Gardens, London, SW7 5NF |
| ANDO, Goran Albert Torstensson, Doctor RESIGNED | Director | | 31 Jan 1993 | | March 1949 | 11 Latchmoor Avenue, Gerrards Cross, Bucks, SL9 8LJ |
| BLACKBURN, Paul Frederick RESIGNED | Director | 21 Jul 2005 | 01 Mar 2016 | England | October 1954 | 980 Great West Road, Brentford, Middlesex, TW8 9GS |
| BLAKER, Graham Joseph, Dr RESIGNED | Director | | 31 Jan 1993 | England | August 1946 | Callingham House, 17 Ledborough Lane, Beaconsfield, Buckinghamshire, HP9 2PZ |
| BROWN, Julie Belita RESIGNED | Director | 01 May 2023 | 19 Jul 2025 | United Kingdom | March 1962 | 79, New Oxford Street, London, WC1A 1DG, United Kingdom |
| CHALLONER, Stanley Clive RESIGNED | Director | | 31 Jan 1993 | | January 1937 | Tree Cottage Bisham Road, Marlow, Buckinghamshire, SL7 1RL |
| COCHRANE, James Michael Thomas RESIGNED | Director | 06 Sep 1995 | 31 Jan 2001 | United Kingdom | May 1944 | 37 Murray Road, London, SW19 4PD |
| COOMBE, John David RESIGNED | Director | | 31 Mar 2005 | | March 1945 | Langdon Burtons Way, Chalfont St Giles, Buckinghamshire, HP8 4BW |
| DINGEMANS, Simon Paul RESIGNED | Director | 01 Apr 2011 | 01 May 2019 | United Kingdom | April 1963 | 980, Great West Road, Brentford, Middlesex, TW8 9GS |
| EAVES, Terence, Doctor RESIGNED | Director | | 31 Jan 1993 | | May 1946 | Tower Cottage West Witheridge, Knotty Green, Beaconsfield, Buckinghamshire, HP9 2TW |
| GIROLAMI, Paul, Sir RESIGNED | Director | 12 May 1993 | 11 Oct 1994 | | January 1926 | 6 Burghley Road, Wimbledon, London, SW19 5BH |
| HESLOP, Julian Spenser RESIGNED | Director | 31 Jan 2001 | 31 Mar 2011 | United Kingdom | January 1954 | 980 Great West Road, Brentford, Middlesex, TW8 9GS |
| HIGNETT, John Mulock RESIGNED | Director | 01 Feb 1993 | 12 May 1993 | | March 1934 | 61 Roehampton Lane, London, SW15 5NE |
| HUMER, Franz Bernhard RESIGNED | Director | | 02 Feb 1993 | United Kingdom | July 1946 | 34 Campden Hill Court, Campden Hill Road, London, W8 7HS |
| LANCE, Sean Patrick RESIGNED | Director | 11 Oct 1994 | 07 Nov 1997 | United Kingdom | August 1947 | 25a Warrington Crescent, London, W9 1ED |
| MACKAY, Iain James RESIGNED | Director | 01 May 2019 | 01 May 2023 | England | October 1961 | 980, Great West Road, Brentford, Middlesex, TW8 9GS |
| MARIO, Ernest RESIGNED | Director | | 11 May 1993 | | June 1938 | Flat 24 Eaton Mansions, Clivedon Place, London, SW1W 8HE |
| PINTO, Francis Joseph, Dr RESIGNED | Director | | 31 Jan 1993 | England | November 1942 | 6 Clarence Terrace, London, NW1 4RD |
| POTTER, Geoffrey RESIGNED | Director | | 31 Jan 1993 | | August 1949 | 16 Barns Dene, Harpenden, Hertfordshire, AL5 2HQ |
| STRACHAN, Jeremy Alan Watkin RESIGNED | Director | | 31 Dec 2000 | England | December 1944 | 16 Lonsdale Road, Barnes, London, SW13 9EB |
| SYKES, Richard Brook, Sir RESIGNED | Director | 12 May 1993 | 20 May 2002 | United Kingdom | August 1942 | 170 Queens Gate, London, SW7 5HF |
| WILLIAMS, Paul Martin RESIGNED | Director | | 31 Jan 1993 | United Kingdom | May 1946 | 2 Althorp Road, St Albans, Hertfordshire, AL1 3PW |
| YOUMANS, James Clifford RESIGNED | Director | | 31 Jan 1993 | | June 1947 | 2304 Legacy Court, Raleigh, North Carolina Nc 27615 |