| BALLANTYNE, Andrew James Motyer ACTIVE | Director | 17 Nov 2023 | | England | May 1973 | The Priestley Centre, 10 Priestley Road, Surrey Research Park, Guildford, GU2 7XY, England |
| GRACE, Philip, Dr ACTIVE | Director | 17 Nov 2023 | | England | September 1971 | The Priestley Centre, 10 Priestley Road, Surrey Research Park, Guildford, GU2 7XY, England |
| CAMERON, Gordon Biggart RESIGNED | Secretary | 03 Feb 2011 | 21 Dec 2012 | | | Quotient Bioresearch, Newmarket Road, Fordham, Cambridgeshire, CB7 5WW |
| CAMERON, Gordon Biggart RESIGNED | Secretary | 17 Oct 2008 | 03 Mar 2010 | | | Newmarket Road, Fordham, Cambridgeshire, CB7 5WW |
| CAVANAGH, Teri-Anne RESIGNED | Secretary | 09 Oct 2020 | 31 Aug 2022 | | | Lgc, Queens Road, Teddington, TW11 0LY, United Kingdom |
| CAVET, David Mitchell RESIGNED | Secretary | 31 Mar 1999 | 07 Feb 2008 | | | 5 Briar Vale, West Monkseaton, Tyne & Wear, NE25 9AZ |
| COLLETT, Brian RESIGNED | Secretary | 12 Oct 1992 | 19 Nov 1991 | | | 10 Norwich Street, London, EC4A 1BD |
| DANT, Elizabeth Karen RESIGNED | Secretary | 07 Feb 2008 | 17 Oct 2008 | | | Quotient Bioresearch, Newmarket Road, Fordham, Cambridgeshire, CB7 5WW |
| DONALD, Keith RESIGNED | Secretary | 16 Feb 2015 | 31 Aug 2016 | | | Lgc, Queens Road, Teddington, Middlesex, TW11 0LY |
| HUGHES, Helen Margaret, Dr RESIGNED | Secretary | 19 Nov 1992 | 31 Mar 1999 | | | Gorwel 351 Clasemont Road, Morriston, Swansea, West Glamorgan, SA6 6BU |
| ILETT, John Edward RESIGNED | Secretary | 21 Dec 2012 | 16 Feb 2015 | | | Lgc, Queens Road, Teddington, Middlesex, TW11 0LY, United Kingdom |
| KENNEDY, Michelle RESIGNED | Secretary | 03 Mar 2010 | 03 Feb 2011 | | | Quotient Bioresearch, Newmarket Road, Fordham, Cambridgeshire, CB7 5WW |
| OGLE, Navneet Kaur RESIGNED | Secretary | 31 Aug 2016 | 09 Oct 2020 | | | Lgc, Queens Road, Teddington, Middlesex, TW11 0LY |
| RICHARDS, Lucy RESIGNED | Secretary | 01 Sep 2022 | 17 Sep 2024 | | | Lgc, Queens Road, Teddington, Middlesex, TW11 0LY |
| BONAS, Ian George RESIGNED | Director | 01 Nov 1999 | 14 Mar 2003 | United Kingdom | July 1942 | Bedburn Hall, Hamsterley, Bishop Auckland, Durham, DL13 3NN |
| BURDETT, Roger Leonard RESIGNED | Director | 20 Oct 2010 | 21 Dec 2012 | United Kingdom | September 1950 | Lgc, Queens Road, Teddington, Middlesex, TW11 0LY, United Kingdom |
| CAMERON, Gordon Biggart RESIGNED | Director | 07 Feb 2008 | 21 Dec 2012 | United Kingdom | March 1966 | Newmarket Road, Fordham, Cambridgeshire, CB7 5WW |
| CAVET, David Mitchell RESIGNED | Director | 31 Mar 1999 | 07 Feb 2008 | United Kingdom | June 1964 | 5 Briar Vale, West Monkseaton, Tyne & Wear, NE25 9AZ |
| COWAN, Desmond Joseph Paul Edward RESIGNED | Director | 07 Feb 2008 | 20 Oct 2010 | Switzerland | February 1961 | Quotient Bioscience Limited, Newmarket Road, Fordham, Cambridgeshire, CB7 5WW, United Kingdom |
| CURTIS, Christopher Gerald, Professor RESIGNED | Director | 19 Nov 1992 | 09 May 1997 | | February 1942 | Fairway 3 Merevale, Dinas Powys, South Glamorgan, CF64 4HS |
| HAYWARD, David Christopher RESIGNED | Director | 01 Apr 1997 | 31 Mar 1999 | United Kingdom | July 1952 | 47 Cleveland Avenue, Darlington, County Durham, DL3 7HF |
| HUGHES, Helen Margaret, Dr RESIGNED | Director | 19 Nov 1992 | 09 May 1997 | | August 1961 | Gorwel 351 Clasemont Road, Morriston, Swansea, West Glamorgan, SA6 6BU |
| KING, William Lawrence RESIGNED | Director | 12 Oct 1992 | 19 Nov 1991 | | December 1947 | 89 Leather Lane, London, EC1N 7TS |
| LEWINTON, Stephen Christopher, Mr. RESIGNED | Director | 31 Mar 2000 | 07 Feb 2008 | United Kingdom | April 1966 | Park View 114 Grove Road, Bladon, Woodstock, Oxfordshire, OX20 1RA |
| O'SULLIVAN, Euan Ralph Herbert RESIGNED | Director | 17 Sep 2021 | 17 Nov 2023 | United Kingdom | May 1979 | Lgc, Queens Road, Teddington, TW11 0LY, United Kingdom |
| PARSONS, Simon Lawrence RESIGNED | Director | 21 Dec 2012 | 24 Jan 2022 | United Kingdom | June 1969 | Lgc, Queens Road, Teddington, Middlesex, TW11 0LY, United Kingdom |
| QUIRK, Christopher William RESIGNED | Director | 10 May 1997 | 30 Apr 2000 | | March 1950 | 91 The Fairway, Ruislip, Middlesex, HA4 0SP |
| RICHARDSON, David Gordon RESIGNED | Director | 21 Dec 2012 | 20 May 2013 | United Kingdom | August 1961 | Lgc, Queens Road, Teddington, Middlesex, TW11 0LY, United Kingdom |
| ROBINSON, Timothy Michael RESIGNED | Director | 16 May 2013 | 17 Sep 2021 | United Kingdom | August 1963 | Lgc, Queens Road, Teddington, Middlesex, TW11 0LY, United Kingdom |
| SHAW, William Lawson, Dr RESIGNED | Director | 31 Mar 1999 | 14 Mar 2003 | | January 1946 | 2 Autumn Walk, Maidenhead, Berkshire, SL6 4ND |
| SWAN, Thomas Macklyn RESIGNED | Director | 01 Apr 1997 | 14 Mar 2003 | England | May 1942 | Old Hall Bedburn, Hamsterley, Bishop Auckland, County Durham, DL13 3NN |
| THIEFFRY, Alexandre RESIGNED | Director | 28 Mar 2022 | 17 Nov 2023 | United Kingdom | May 1985 | Lgc, Queens Road, Teddington, Middlesex, TW11 0LY |