| Alun Watkin Lewis | Director | 9 Jan 2002 | 14 Jun 2002 | British | 73 years |
| Barbara Mary Richmond | Director | 28 Jun 2010 | 21 Aug 2025 | British | 65 years |
| Bethany Ford | Secretary | 30 Nov 2023 | 31 Jul 2025 | - | - |
| Brian Warrington | Director | 15 Jul 1999 | 11 Mar 2002 | British | 77 years |
| Colin Anthony Hurley | Director | 27 Jan 1994 | 1 Feb 1996 | British | 83 years |
| David James Walls | Director | 15 Jan 1991 | 16 Jan 1997 | British | 68 years |
| David John Campbell Kelly | Director | 9 Jan 2002 | 18 Mar 2009 | British | 68 years |
| Geoffrey William Craven Smith | Director | 10 Jan 2001 | 31 Jan 2002 | British | 79 years |
| Graham Anthony Cope | Secretary | 1 Jan 2003 | 30 Nov 2023 | British | - |
| Graham Micklewright | Director | 30 Jun 2009 | 1 Dec 2010 | British | 63 years |
| Gregson Horace Locke | Director | 9 Jan 2002 | 12 Nov 2002 | British | 69 years |
| Helen Davies | Director | 28 Jun 2010 | 31 Jul 2025 | British | 59 years |
| Jacqueline May Day | Director | 9 Jan 2002 | 28 May 2003 | British | 67 years |
| John Frederick Tutte | Director | 9 Jan 2002 | 26 Nov 2009 | British | 69 years |
| John Leslie Parlour | Director | 31 Dec 1990 | 17 Dec 1993 | British | 76 years |
| John Stewart Richardson Swanson | Director | 20 Aug 1998 | 11 Mar 1999 | British | 80 years |
| John Ware Maunders | Director | 15 Mar 1999 | 9 Jan 2002 | British | 80 years |
| Malcolm Williams | Director | 15 Jan 1991 | 4 Jul 1998 | British | 76 years |
| Mark Duncan Ellis | Director | 15 Jan 1991 | 23 Oct 1998 | British | 63 years |
| Martin Paul Griffiths | Director | 31 Dec 1990 | 5 Jul 1999 | British | 71 years |
| Michael Robert Powell | Director | 9 Jan 2002 | 17 Feb 2007 | British | 69 years |
| Neil Fitzsimmons | Director | 9 Jan 2002 | 11 Mar 2005 | British | 66 years |
| Norman Alan Stubbs | Director | 31 Dec 1990 | 11 Mar 1999 | British | 83 years |
| Rhiannon Ellis Walker | Secretary | 30 Apr 2002 | 31 Dec 2002 | British | - |
| Stephen Cranmer | Director | 31 Dec 1990 | 6 Nov 1998 | British | 72 years |
| Stephen Geoffrey Evans | Secretary | 31 Dec 1990 | 30 Apr 2002 | British | - |
| Trevor George Winstanley | Director | 15 Jan 1991 | 23 Jul 1993 | British | 71 years |
| Trevor George Winstanley | Director | 1 Apr 1997 | 5 Jul 1999 | British | 71 years |
| William Henry Bannister | Director | 15 Mar 1999 | 9 Jan 2002 | British | 76 years |
| William John Brand | Director | 9 Jan 2002 | 1 Dec 2010 | British | 72 years |