| Andrew William Smith | Director | 22 Jun 1991 | 22 Jan 2024 | United Kingdom | 66 years |
| Charles Andrew Stubbs | Director | 1 Sept 2008 | 9 Apr 2024 | British | 74 years |
| Clare Mcintyre | Secretary | 9 Aug 1995 | 22 Jul 1996 | British | - |
| David England Brown | Director | 22 Jun 1991 | 31 Dec 2003 | British | 84 years |
| David John Smith | Director | 22 Jun 1991 | 4 Aug 2021 | British | 93 years |
| David Plumb | Secretary | 22 Jul 1996 | 8 Nov 2001 | British | - |
| David Terence Jones | Director | 9 Jan 1995 | 8 Feb 2001 | British | 90 years |
| Duncan Ian Harris | Director | 11 Aug 2005 | 5 Dec 2006 | British | 53 years |
| Ellen Marie Hogan | Secretary | 1 Jul 2005 | 21 Jun 2006 | British | - |
| Ewen Damian Hentall | Director | 1 Jan 2007 | 7 Feb 2008 | British | 62 years |
| Gareth James Day | Director | 31 Dec 2019 | 8 Oct 2024 | British | 49 years |
| Graham Dransfield | Secretary | 10 Dec 2007 | 30 Jun 2008 | British | - |
| Ian Derek Wardle | Director | 1 Jan 2004 | 31 Oct 2005 | British | 67 years |
| James Alexander Claydon | Director | 1 Jun 2009 | 31 Dec 2019 | British | 66 years |
| John Kenneth Hopkins | Director | 8 Nov 2001 | 31 Dec 2003 | British | 82 years |
| John Robert Taylor | Director | 1 Jan 2004 | 11 Aug 2005 | British | 77 years |
| Jonathan Peter Morrish | Director | 7 Feb 2008 | 1 Jun 2009 | British | 56 years |
| Paul Derek Tunnacliffe | Secretary | 21 Jun 2006 | 10 Dec 2007 | British | - |
| Paul Matthew White | Secretary | 22 Jun 1991 | 9 Aug 1995 | British | - |
| Peter John Smith | Director | 15 Jul 1992 | 31 Dec 1999 | British | 89 years |
| Philip John Schacht | Director | 11 Aug 2005 | 1 Sept 2008 | Australian | 62 years |
| Richard Charles Cobbing | Secretary | 1 Mar 2004 | 1 Jul 2005 | British | - |
| Roger Thomas Virley Tyson | Secretary | 31 Jul 2008 | 17 Mar 2016 | British | - |
| Ross William Snape | Director | 1 Jan 2004 | 11 Aug 2005 | British | 62 years |
| Samantha Sarah Louise Mumford | Secretary | 8 Nov 2001 | 1 Mar 2004 | British | - |
| Simon Charles Smith | Director | 22 Jun 1991 | 22 Jan 2024 | British | 68 years |
| Simon Roger Fernley | Director | 3 Feb 2000 | 28 Sept 2001 | British | 76 years |
| Steven Robert George Cole | Director | 8 Feb 2001 | 31 Aug 2002 | British | 76 years |
| Terence Robert Last | Director | 22 Jun 1991 | 1 Jan 1995 | British | 76 years |
