| Adrian Michael Harwood Smart | Director | 22 Apr 1994 | 18 Jul 2000 | British | 91 years |
| Andrew David Smith | Director | 18 Jul 2012 | 14 Feb 2014 | British | 50 years |
| Andrew John Mack Huntley | Director | 1 Apr 2000 | 16 Aug 2002 | British | 87 years |
| Andrew Marc Jones | Director | 28 Jul 2005 | 6 Nov 2009 | British | 58 years |
| Benjamin Toby Grose | Director | 13 Oct 2009 | 13 May 2021 | British | 57 years |
| Catherine Fiona Sayers | Director | 17 Nov 2023 | 30 Nov 2023 | British | 35 years |
| Charles John Middleton | Director | 13 Jul 2016 | 31 Mar 2022 | British | 60 years |
| David Warwick Symondson | Director | 1 Dec 1992 | 27 Jul 1994 | British | 71 years |
| Derek Peter Hornby | Director | 22 Apr 1994 | 16 Aug 2002 | British | 96 years |
| Harold Raymond Mould | Director | 1 Dec 1992 | 31 Mar 1993 | British | 86 years |
| Harold Raymond Mould | Director | 1 Jul 1994 | 28 Jul 2005 | British | 86 years |
| Humphrey James Montgomery Price | Director | 1 Dec 1992 | 28 Jul 2005 | British | 84 years |
| James Mara | Director | 1 Dec 1992 | 16 Aug 2002 | American | 80 years |
| Mark Andrew Stirling | Director | 28 Jul 2005 | 6 Nov 2009 | British | 63 years |
| Martin Francis Mcgann | Director | 26 Feb 2003 | 7 Oct 2005 | British | 65 years |
| Michael Craig Stoddart | Director | 1 Apr 2000 | 16 Aug 2002 | British | 94 years |
| Michael Strone | Director | 1 Jul 1994 | 16 Aug 2002 | American | 73 years |
| Nicholas John Philip Sheehan | Director | 1 Jan 1995 | 10 Sept 1997 | British | 79 years |
| Nick Taunt | Director | 18 Mar 2022 | 22 Dec 2023 | British | 40 years |
| Patrick Lionel Vaughan | Director | 1 Jul 1994 | 8 Aug 2005 | British | 79 years |
| Philip John Martin | Director | 17 Dec 1992 | 10 Jun 1994 | British | 69 years |
| Philip John Martin | Director | 13 Oct 2009 | 31 Oct 2016 | British | 69 years |
| Philip John Martin | Secretary | 1 Dec 1992 | 31 Oct 2016 | British | - |
| Robert David Maxted | Director | 1 Dec 1992 | 31 Dec 1994 | British | 79 years |
| Samuel Stevenson | Director | 22 Apr 1994 | 18 Jul 2000 | British | 93 years |
| Stephen Hoover | Director | 1 Dec 1992 | 1 Jul 1994 | American | 69 years |
| Valentine Tristram Beresford | Director | 10 Nov 2003 | 6 Nov 2009 | British | 61 years |