| Alun Watkin Lewis | Director | 9 Jan 2002 | 17 Jun 2002 | British | 73 years |
| Barbara Mary Richmond | Director | 28 Jun 2010 | 21 Aug 2025 | British | 65 years |
| Barrie John Gibson | Director | 16 Jan 2001 | 8 Feb 2002 | British | 63 years |
| Bethany Ford | Secretary | 30 Nov 2023 | 31 Jul 2025 | - | - |
| Brian Warrington | Director | 15 Jul 1999 | 11 Mar 2002 | British | 77 years |
| Christopher John Hodgson | Director | 20 Nov 1991 | 23 Jul 1993 | British | 68 years |
| David George Hall | Director | 9 Dec 1994 | 1 Feb 1996 | British | 75 years |
| David John Campbell Kelly | Director | 9 Jan 2002 | 2 Jan 2008 | British | 68 years |
| Geoffrey William Craven Smith | Director | 6 Sept 1999 | 31 Jan 2002 | British | 79 years |
| Graham Anthony Cope | Secretary | 1 Jan 2003 | 30 Nov 2023 | British | - |
| Graham Micklewright | Director | 17 Feb 2007 | 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 |
| James Peak | Director | 1 Jan 1996 | 4 Nov 1996 | British | 65 years |
| John Frederick Tutte | Director | 9 Jan 2002 | 26 Nov 2009 | British | 69 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 |
| Mark Anthony Haddon | Director | 1 Aug 1992 | 9 Jul 1996 | British | 70 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 | 20 Nov 1991 | 11 Mar 1999 | British | 83 years |
| Paul Ian Flello | Director | 20 Nov 1991 | 24 Oct 1996 | British | 75 years |
| Peter Morgan Steel | Director | 23 Jul 1998 | 15 Oct 1999 | British | 66 years |
| Rajesh Shah | Director | 20 Nov 1991 | 30 Jul 1999 | British | 67 years |
| Rhiannon Ellis Walker | Secretary | 30 Apr 2002 | 31 Dec 2002 | British | - |
| Stephen Geoffrey Evans | Director | 20 Nov 1991 | 17 Dec 1993 | British | 70 years |
| Stephen Geoffrey Evans | Secretary | 20 Nov 1991 | 30 Apr 2002 | British | - |
| 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 |