| Abigail Jane Dunning | Director | 11 Nov 2021 | 15 Feb 2022 | British | 51 years |
| Andrew Nicholas Hewson | Director | 11 Jul 2001 | 23 Sept 2002 | British | 68 years |
| Bryan Lyndsey Harris | Director | 12 Oct 1992 | 31 Dec 1995 | British | 79 years |
| Christopher Ian Knowles Harris | Director | 12 Oct 1992 | 21 Sept 2001 | British | 74 years |
| Christopher Mark Stephen Evans | Director | 12 Mar 1999 | 31 Mar 2002 | British | 61 years |
| David John Atkins | Director | 28 Mar 2003 | 20 Apr 2006 | British | 60 years |
| Dominic Martin Etienne Page | Director | 15 Feb 2022 | 31 May 2023 | British | 58 years |
| Gary Stanley Jones | Secretary | 12 Oct 1992 | 31 Jul 1998 | British | - |
| Geoffrey Harcroft Wright | Director | 23 Sept 2002 | 20 Apr 2006 | British | 83 years |
| Iain Farlane Sim Harris | Director | 23 Sept 2002 | 21 Nov 2003 | British | 64 years |
| Ian Michael Hollocks | Secretary | 4 Aug 2000 | 23 Sept 2002 | British | - |
| John Aiton | Director | 12 Oct 1992 | 21 Sept 2001 | British | 80 years |
| John Aiton | Secretary | 31 Jul 1998 | 4 Aug 2000 | British | - |
| John Albert Warman | Director | 11 Jan 1995 | 14 Oct 1999 | British | 87 years |
| John Andrew Bywater | Director | 23 Sept 2002 | 20 Apr 2006 | British | 79 years |
| Michael John Baker | Director | 23 Sept 2002 | 20 Apr 2006 | British | 63 years |
| Nicholas Alan Scott Hardie | Director | 23 Sept 2002 | 14 Oct 2011 | British | 71 years |
| Nicholas Brian Treseder Alford | Director | 20 Nov 2001 | 23 Sept 2002 | British | 62 years |
| Paul Justin Denby | Director | 5 Oct 2020 | 28 Apr 2023 | British | 55 years |
| Paul Laurence Huberman | Director | 11 Jul 2001 | 23 Sept 2002 | British | 65 years |
| Peter William Beaumont Cole | Director | 23 Sept 2002 | 20 Apr 2006 | British | 67 years |
| Roderick Vernon Gibbs | Director | 12 Oct 1992 | 11 Jan 1995 | British | 68 years |
| Stephen Jeremy Davies | Director | 12 Oct 1992 | 31 Jul 1998 | British | 75 years |
| Steven Mark Thomasson | Director | 11 Jan 1995 | 22 Jul 2002 | British | 64 years |
| Stuart John Haydon | Secretary | 23 Sept 2002 | 22 Sept 2011 | British | - |
| Timothy Paul Walton | Director | 12 Mar 1999 | 23 Sept 2002 | British | 65 years |
| Warren Stuart Austin | Director | 14 Oct 2011 | 11 Nov 2021 | British | 60 years |