| Andrew Timothy Griffiths | Director | 8 Sept 1995 | 16 Sept 1997 | British | 70 years |
| Christopher Laskey Fidler | Secretary | 6 Sept 2002 | 22 Jul 2016 | British | - |
| Clare Sheridan | Secretary | 14 May 2018 | 27 Jun 2024 | - | - |
| Colin Croxall | Director | 7 Dec 1995 | 24 Jul 1998 | British | 94 years |
| Colin Fellowes | Secretary | 8 Jun 1992 | 4 Mar 1999 | British | - |
| David Hoyle | Director | 8 Jun 1992 | 31 Mar 2022 | British | 65 years |
| David Wilson Taylor | Director | 8 Jun 1992 | 31 Aug 1993 | British | 76 years |
| Donald William Rankin | Secretary | 18 Jan 1999 | 23 Feb 2010 | British | - |
| Helen Mary Mason | Secretary | 27 Jun 2024 | 22 Apr 2025 | - | - |
| Iain Angus Jones | Secretary | 16 Feb 2018 | 14 May 2018 | - | - |
| James Harry Gill | Director | 8 Jun 1992 | 28 Oct 1994 | British | 77 years |
| James Oliver Pitt | Director | 28 Jul 2023 | 31 Jan 2025 | British | 56 years |
| Jennifer Ann Warburton | Secretary | 22 Jul 2016 | 16 Feb 2018 | - | - |
| John Dalton Early | Director | 8 Jun 1992 | 8 Sept 1995 | British | 81 years |
| Keith Bolton | Director | 4 May 1993 | 8 Sept 1995 | British | 72 years |
| Matthew Ellis Crompton | Director | 21 Feb 2000 | 31 Mar 2022 | British | 65 years |
| Michael Cairns Smith | Director | 1 Mar 2001 | 25 Jan 2008 | British | 67 years |
| Michael John Appleton | Director | 16 Sept 1997 | 21 Feb 2000 | British | 79 years |
| Nigel John Howard Franklin | Director | 8 Sept 1995 | 16 Sept 1997 | British | 70 years |
| Paul Parry | Director | 8 Sept 1995 | 12 Apr 2010 | British | 76 years |
| Peter Box | Director | 24 Jul 1998 | 16 Mar 2018 | British | 79 years |
| Peter Henry | Director | 8 Sept 1995 | 30 Mar 2001 | British | 84 years |
| Rachel Carolyn Xanthe Wood | Director | 21 Feb 2000 | 31 Dec 2000 | British | 59 years |
| Roger Mather | Secretary | 7 Dec 1995 | 18 Jan 1999 | British | - |
| Sarah Anne Shankland | Director | 31 Mar 2022 | 28 Jul 2023 | British | 61 years |
| Susan Taberner | Secretary | 4 Mar 1999 | 20 Jun 2003 | British | - |
