| Andrew Michael Stoddart | Director | 2 Feb 1998 | 30 Nov 2000 | British | 79 years |
| Barbara Jane Moorhouse | Director | 2 Feb 1998 | 7 Apr 1998 | British | 67 years |
| Christopher Anthony Saxton | Director | 9 Aug 2000 | 3 Feb 2004 | British | 69 years |
| Christopher Vincent John Simpson | Director | 17 Jan 1991 | 30 Sept 1993 | British | 83 years |
| Clare Sheridan | Secretary | 10 Mar 2005 | 27 Jun 2024 | British | - |
| Craig William Robinson | Director | 1 Apr 2001 | 19 Apr 2002 | British | 63 years |
| David Kevin Mulligan | Director | 1 Apr 2004 | 25 Feb 2013 | British | 56 years |
| Geoffrey Charles Bond | Director | 17 Jan 1991 | 2 Feb 1998 | British | 86 years |
| Geoffrey Edwin Towndrow | Director | 17 Jan 1991 | 31 Jan 1992 | British | 81 years |
| Harold Geoffrey Hall | Director | 1 Apr 1994 | 2 Feb 1998 | British | 75 years |
| Helen Mary Mason | Secretary | 27 Jun 2024 | 22 Apr 2025 | - | - |
| Isobel Mary Nettleship | Secretary | 1 Jun 2005 | 31 May 2014 | British | - |
| John Edward Bertram Wheatley | Director | 17 Jan 1991 | 2 Feb 1998 | British | 109 years |
| John Michael Bishop | Director | 11 Feb 1998 | 1 Jun 2005 | British | 80 years |
| Mark Peter Damien Wheatley | Director | 17 Jan 1991 | 2 Feb 1998 | British | 66 years |
| Martin Clive Pitt | Director | 16 Mar 1998 | 1 Jun 2005 | British | 61 years |
| Matthew Hibbert | Director | 1 Apr 2010 | 30 Mar 2012 | British | 59 years |
| Michael Melling | Director | 17 Jan 1991 | 31 Aug 1993 | British | 81 years |
| Neil Skelding | Director | 30 Mar 2012 | 18 Jul 2013 | British | 54 years |
| Paul Baxter | Director | 11 Feb 1998 | 1 Mar 2002 | British | 70 years |
| Paul Whitmore | Director | 1 Jun 2005 | 31 Dec 2013 | British | 70 years |
| Roger Kenneth Maycock | Director | 1 Jan 1996 | 31 Oct 1997 | British | 83 years |
| Rona Irene Wheatley | Director | 17 Jan 1991 | 2 Feb 1998 | British | 99 years |
| Simon Francis Wheatley | Director | 3 May 1995 | 2 Feb 1998 | British | 70 years |
| Simon Francis Wheatley | Secretary | 17 Jan 1991 | 2 Feb 1998 | British | - |
| Stephen Paul Crummett | Director | 18 Jul 2013 | 7 May 2024 | British | 60 years |
| Stewart Melvyn Parnham | Director | 18 May 1992 | 10 Oct 1995 | British | 76 years |
| William George Haynes | Director | 1 May 1998 | 1 Jun 2005 | British | 69 years |
| William Raymond Johnston | Director | 30 Nov 2000 | 1 Jun 2005 | British | 80 years |
| William Raymond Johnston | Secretary | 2 Feb 1998 | 1 Jun 2005 | British | - |