| Alison Elson | Director | 1 Mar 2004 | 31 Jul 2006 | British | 63 years |
| Brian John Skinner | Director | 30 Jan 1991 | 31 Mar 1998 | British | 94 years |
| Brian Thomas David | Director | 16 Jun 1998 | 10 Aug 1999 | British | 86 years |
| Charles Stiefel | Director | 1 Oct 2006 | 1 Feb 2007 | U S | 75 years |
| David John Walters | Director | 30 Aug 2015 | 31 Jan 2018 | British | 59 years |
| David William Devine | Secretary | 1 Feb 2007 | 31 Mar 2010 | British | - |
| Edinburgh Pharmaceutical Industries Limited | Corporate Director | 23 Jul 2009 | 15 Dec 2021 | United Kingdom | - |
| Glaxo Group Limited | Corporate Director | 23 Jul 2009 | 15 Dec 2021 | United Kingdom | - |
| Herbert Arthur Stiefel | Director | 30 Jan 1991 | 30 Sept 2006 | Usa | 98 years |
| James Walter Harden | Director | 30 Jan 1991 | 31 May 1996 | British | 79 years |
| John Michael Sadler | Director | 15 Dec 2021 | 29 Jul 2022 | British | 69 years |
| Margaret Eithne Zdanowicz | Director | 1 Aug 2006 | 31 Mar 2010 | British | 73 years |
| Margaret Eithne Zdanowicz | Secretary | 17 Jul 1997 | 20 Jul 2007 | British | - |
| Mary Ellen Stiefel | Director | 10 Aug 1999 | 1 Mar 2004 | Usa | 68 years |
| Michael Donald Hughes | Director | 1 Jan 2007 | 29 Jan 2016 | British | 62 years |
| Michael Hobbs | Secretary | 30 Jan 1991 | 12 Jun 1997 | British | - |
| Pascal Waucquez | Director | 1 Feb 2007 | 1 May 2010 | British | 56 years |
| Richard John Latchford | Director | 1 Jul 2019 | 15 Dec 2021 | British | 46 years |
| Sheryl Vikas Surve | Director | 31 Jan 2018 | 28 Jun 2019 | Swedish | 51 years |
