| Andrew David Smith | Director | 18 Jul 2012 | 14 Feb 2014 | British | 50 years |
| Andrew Marc Jones | Director | 28 Jul 2005 | 6 Nov 2009 | British | 58 years |
| Benjamin Toby Grose | Director | 13 Oct 2009 | 14 May 2021 | British | 57 years |
| Bruce Michael James | Director | 10 Apr 2018 | 31 Dec 2021 | British | 59 years |
| Catherine Fiona Sayers | Director | 17 Nov 2023 | 22 Jan 2024 | British | 35 years |
| Charles John Middleton | Director | 13 Jul 2016 | 31 Mar 2022 | British | 60 years |
| Harold Raymond Mould | Director | 21 Nov 1994 | 28 Jul 2005 | British | 86 years |
| Humphrey James Montgomery Price | Director | 25 Jan 1993 | 28 Jul 2005 | British | 84 years |
| Jonathan David Taylor | Director | 1 Feb 2024 | 11 Nov 2024 | British | 43 years |
| Josephine Hayman | Director | 31 Jan 2020 | 11 Nov 2024 | British | 37 years |
| Mark Andrew Stirling | Director | 28 Jul 2005 | 6 Nov 2009 | British | 63 years |
| Martin Francis Mcgann | Director | 25 Feb 2003 | 7 Oct 2005 | British | 65 years |
| Nicholas John Philip Sheehan | Director | 26 Jan 1996 | 10 Sept 1997 | British | 79 years |
| Nick Taunt | Director | 5 Oct 2020 | 22 Dec 2023 | British | 40 years |
| Patrick Lionel Vaughan | Director | 12 Mar 2002 | 8 Aug 2005 | British | 79 years |
| Philip John Martin | Director | 13 Oct 2009 | 31 Oct 2016 | British | 69 years |
| Philip John Martin | Secretary | 25 Jan 1993 | 31 Oct 2016 | British | - |
| Robert David Maxted | Director | 25 Jan 1993 | 31 Dec 1994 | British | 79 years |
| Tom Robson | Director | 31 Jan 2020 | 11 Sept 2020 | British | 44 years |
| Valentine Tristram Beresford | Director | 28 Jul 2005 | 6 Nov 2009 | British | 61 years |
