| Adam Walker | Director | 1 May 2019 | 2 Mar 2020 | British | 58 years |
| Alain Gomez | Director | 28 May 1992 | 19 Feb 1993 | French | 87 years |
| Alison Marie Horler | Secretary | 6 Sept 1996 | 6 Sept 1996 | British | - |
| Andrew Robert Fowell Buxton | Director | 28 May 1992 | 29 Apr 1996 | British | 86 years |
| Andrew Robert John Bonfield | Director | 1 Jan 1999 | 27 Dec 2000 | British | 63 years |
| Birgit Breuel | Director | 28 May 1992 | 3 Aug 1992 | German | 88 years |
| Christopher Anthony Hogg | Director | 19 Feb 1993 | 31 Dec 2000 | British | 89 years |
| Ciara Martha Lynch | Director | 2 Mar 2020 | 9 Nov 2020 | Irish | 57 years |
| Clare Alexandra Mcclintock | Secretary | 6 Sept 1996 | 6 Sept 1996 | British | - |
| David John Stevens | Secretary | 28 May 1991 | 10 Mar 1995 | British | - |
| Donald Mchenry | Director | 28 May 1992 | 31 Dec 2000 | American | 89 years |
| Edmund John Phillip Browne | Director | 20 Jun 1996 | 1 Oct 1999 | British | 77 years |
| Erika Patteson-brent | Director | 25 Aug 2020 | 17 Sept 2021 | British | 48 years |
| Francis Paul Lucier | Director | 28 May 1992 | 28 Sept 1992 | Us Citizen | 98 years |
| George Henry Poste | Director | 28 May 1992 | 31 Dec 1999 | British | 81 years |
| Gloria Dorothy Hooper | Director | 5 Dec 1994 | 27 Dec 2000 | British | 86 years |
| Harry Connelly Groome | Director | 1 Jun 1992 | 23 Apr 1996 | American | 88 years |
| Henry Wendt | Director | 28 May 1992 | 25 Apr 1994 | Us Citizen | 92 years |
| Hugh Robert Collum | Director | 28 May 1992 | 31 Dec 1998 | British | 85 years |
| Ian Main Ferguson Balfour | Secretary | 28 May 1992 | 31 Dec 1993 | British | - |
| Ian Maurice Gray Prosser | Director | 1 Aug 1999 | 31 Dec 2000 | British | 82 years |
| James Ralph Beery | Secretary | 1 Jan 1994 | 29 Mar 2001 | British/us | - |
| James White | Director | 28 May 1992 | 24 Jun 1994 | British | 88 years |
| Jan Leschly | Director | 28 May 1992 | 28 Apr 2000 | Danish | 85 years |
| Jean Pierre Garnier | Director | 28 Sept 1992 | 1 Sept 2005 | French | 78 years |
| John Alan Young | Director | 27 Apr 1993 | 31 Dec 2000 | American | 93 years |
| John Foster Bray Hunter | Director | 28 May 1992 | 30 Dec 1992 | British | 88 years |
| Julian Spenser Heslop | Director | 9 Sept 2009 | 31 Mar 2011 | British | 71 years |
| Lucy Shapiro | Director | 22 Sept 1996 | 31 Dec 2000 | French | 85 years |
| Malcolm David Hewitt | Secretary | 6 Sept 1996 | 6 Sept 1996 | British | - |
| Paul Arthur Allaire | Director | 23 Sept 1993 | 31 Dec 2000 | American | 87 years |
| Peter Ingram Walters | Director | 28 May 1992 | 31 Dec 2000 | British | 94 years |
| Ralph Aloysius Pfeiffer Jr | Director | 28 May 1992 | 26 Apr 1993 | Us Citizen | 98 years |
| Richard John Latchford | Director | 28 Sept 2021 | 19 Feb 2022 | British | 46 years |
| Robert Anthony Clark | Director | 28 May 1992 | 24 Apr 1995 | British | 101 years |
| Robert Patten Bauman | Director | 28 May 1992 | 25 Apr 1994 | Usa | 94 years |
| Simon Michael Bicknell | Secretary | 29 Mar 2001 | 28 Feb 2011 | British | - |
| Simon Paul Dingemans | Director | 1 Apr 2011 | 1 May 2019 | British | 62 years |
| Tadataka Yamada | Director | 18 Feb 1994 | 5 Aug 2005 | American | 80 years |
| The Wellcome Foundation Limited | Corporate Director | 31 Dec 2000 | 5 Sept 2002 | - | - |
| Wellcome Limited | Corporate Director | 31 Dec 2000 | 5 Sept 2002 | United Kingdom | - |
| William Robert Grant | Director | 28 May 1992 | 28 Apr 1998 | Us Citizen | 100 years |