| Andrew Marc Jones | Director | 14 Jul 2006 | 6 Nov 2009 | British | 57 years |
| Anthony Braine | Director | 18 Dec 2006 | 31 Jul 2014 | British | 68 years |
| Anthony Braine | Secretary | 31 Dec 1990 | 31 Jul 2014 | British | - |
| Bruce Michael James | Director | 26 Apr 2018 | 31 Dec 2021 | British | 58 years |
| Catherine Fiona Sayers | Director | 17 Nov 2023 | 22 Jan 2024 | British | 34 years |
| Charles John Middleton | Director | 26 Apr 2018 | 31 Mar 2022 | British | 59 years |
| Christopher Michael John Forshaw | Director | 18 Dec 2006 | 5 Apr 2017 | British | 76 years |
| Cyril Metliss | Director | 31 Dec 1990 | 14 Jul 2006 | British | 102 years |
| David Charles Berry | Director | 31 Dec 1990 | 17 Jul 1998 | British | 88 years |
| Graham Charles Roberts | Director | 26 Feb 2002 | 30 Jun 2011 | British | 67 years |
| John Harry Weston Smith | Director | 31 Dec 1990 | 14 Jul 2006 | British | 93 years |
| John Ritblat | Director | 31 Dec 1990 | 31 Dec 2006 | British | 90 years |
| Jonathan David Taylor | Director | 1 Feb 2024 | 11 Nov 2024 | British | 42 years |
| Josephine Hayman | Director | 31 Jan 2020 | 11 Nov 2024 | British | 36 years |
| Lucinda Margaret Bell | Director | 14 Jul 2006 | 19 Jan 2018 | British | 61 years |
| Nick Taunt | Director | 5 Oct 2020 | 22 Dec 2023 | British | 39 years |
| Nigel Mark Webb | Director | 14 Jul 2006 | 26 Apr 2018 | British | 62 years |
| Peter Courtenay Clarke | Director | 14 Jul 2006 | 16 Aug 2010 | British | 59 years |
| Robert Edward Bowden | Director | 26 Feb 2002 | 31 Dec 2007 | British | 83 years |
| Sarah Morrell Barzycki | Director | 14 Jul 2006 | 30 Mar 2018 | British | 67 years |
| Stephen Alan Michael Hester | Director | 7 Jan 2005 | 15 Nov 2008 | British | 65 years |
| Stephen Lionel Kalman | Director | 31 Dec 1990 | 16 Jul 1999 | British | 86 years |
| Timothy Andrew Roberts | Director | 14 Jul 2006 | 26 Apr 2018 | British | 61 years |
| Tom Robson | Director | 31 Jan 2020 | 11 Sept 2020 | British | 43 years |
| Victoria Margaret Penrice | Director | 1 Aug 2014 | 29 Apr 2015 | British | 61 years |
| Victoria Margaret Penrice | Secretary | 1 Aug 2014 | 29 Apr 2015 | - | - |