| Alan Barton | Director | 25 Nov 1992 | 28 Jun 2000 | British | 72 years |
| Alec Stewart Horsley | Director | 7 Sept 1991 | 11 Jun 1993 | British | 124 years |
| Alexander John Hilton Mayfield | Director | 1 Jul 2009 | 27 May 2011 | British | 57 years |
| Andrew Charles Wadley | Director | 14 Feb 2008 | 31 Dec 2023 | British | 74 years |
| Antony Stephen Payling | Director | 1 Jul 2009 | 1 Jun 2010 | British | 64 years |
| Barbara Holden | Director | 29 Nov 1994 | 30 Sept 1998 | British | 91 years |
| Brian Kemp | Director | 10 Oct 1991 | 7 Oct 1992 | British | 93 years |
| Brian Stein | Director | 7 Sept 1991 | 15 Sept 1995 | British | 77 years |
| Catherine Lafferty | Director | 18 Apr 2013 | 14 Apr 2017 | British | 51 years |
| Catherine Sarah Morecroft | Director | 7 Nov 2007 | 1 Jul 2009 | British | 52 years |
| Catherine Sarah Morecroft | Director | 1 Jun 2010 | 31 Mar 2011 | British | 52 years |
| Clare Louise Semple | Director | 20 Mar 2019 | 31 May 2021 | British | 50 years |
| Colin Vincent Lyness | Director | 27 Sept 1995 | 30 Jun 1998 | British | 69 years |
| Craig Tomkinson | Director | 27 Jun 2011 | 19 Feb 2013 | British | 44 years |
| David Baines | Director | 1 Nov 2000 | 19 Mar 2004 | British | 85 years |
| David Barrie Prince | Director | 16 Aug 1999 | 12 Jun 2003 | British | 67 years |
| David Gray Simpson | Director | 7 Sept 1991 | 30 Sept 1998 | British | 88 years |
| David Whitworth | Director | 3 Dec 2001 | 16 Oct 2003 | British | 79 years |
| Ellen Hall | Director | 1 Nov 2000 | 3 Jun 2005 | British | 70 years |
| Frances Silk | Director | 1 Oct 1998 | 9 Jul 1999 | British | 66 years |
| Geoffrey Henry Pearson | Director | 1 Jan 2012 | 31 Dec 2020 | British | 78 years |
| George Gerard Mcmahon | Director | 25 Nov 1992 | 30 Jun 1998 | British | 69 years |
| Harry Shapero | Director | 7 Sept 1991 | 29 Dec 1991 | British | 109 years |
| Henry Alexander Dunlevy | Director | 8 Nov 2005 | 7 Nov 2007 | British | 79 years |
| Howard Stephen Shaw | Director | 5 Sept 2003 | 23 Dec 2005 | British | 68 years |
| Huan Quayle | Secretary | 1 Apr 2010 | 9 Oct 2012 | - | - |
| Ian Anthony Ellis | Director | 6 Apr 1999 | 18 Apr 2006 | British | 63 years |
| Ian Frederick Jackson | Director | 16 Oct 2003 | 4 Mar 2011 | British | 69 years |
| James Michael Brooks | Director | 7 Sept 1991 | 10 Oct 1991 | British | 83 years |
| James Vint | Director | 7 Sept 1991 | 31 Jul 1995 | British | 91 years |
| Jeremy Charles Webdale Abbott | Director | 7 Sept 1991 | 30 Sept 1997 | British | 74 years |
| John David Dickinson | Director | 3 Dec 1998 | 11 Oct 2002 | British | 83 years |
| John Edward Kitson | Director | 7 Sept 1991 | 27 Nov 1992 | British | 71 years |
| John Fearn | Director | 7 Sept 1991 | 30 Apr 1993 | British | 96 years |
| John Gorman | Director | 8 Nov 2005 | 11 Oct 2006 | British | 68 years |
| John Peter Carl Pilinovics | Director | 27 Nov 2002 | 5 Sept 2003 | British | 64 years |
| Joseph James Mcdonald | Director | 10 Oct 1991 | 2 Oct 1993 | British | 91 years |
| Kirsty Susan Derry | Director | 12 May 2011 | 4 Oct 2013 | British | 58 years |
| Linda Jane Hall | Secretary | 24 Apr 2006 | 3 Mar 2010 | British | - |
| Lorna Andrews | Director | 1 Nov 2000 | 31 Dec 2011 | British | 67 years |
| Martin Clark | Director | 7 Sept 1991 | 21 Feb 1996 | British | 81 years |
| Mary Esther Kennedy | Director | 16 Oct 2003 | 16 Mar 2007 | British | 77 years |
| Matthew Thomas Gribbin | Director | 1 Jan 2012 | 31 Dec 2020 | British | 68 years |
| Matthew Thomas Gribbin | Director | 4 Sept 2003 | 28 Feb 2006 | British | 68 years |
| Maureen Frances John | Director | 14 Jul 2016 | 17 Apr 2018 | British | 55 years |
| Melvyn Maurice Carr | Director | 17 Nov 1993 | 19 Aug 1994 | British | 83 years |
| Michael Albert Joseph Morgan | Director | 7 Sept 1991 | 31 Dec 2000 | British | 83 years |
| Michael Ewart Thomas | Director | 25 Nov 1992 | 28 Sept 1995 | British | 76 years |
| Michael Henry Buckley | Director | 1 Dec 2003 | 17 Feb 2008 | British | 81 years |
| Michael James Russell Richards | Director | 18 Apr 2006 | 26 Sept 2007 | British | 62 years |
| Michael John Bateson | Director | 3 Dec 1998 | 10 Jan 2008 | British | 77 years |
| Michael John Grimwood | Director | 30 Jun 2000 | 23 Aug 2005 | British | 66 years |
| Neil Sellwood | Director | 30 Nov 1995 | 5 Jul 1997 | British | 72 years |
| Pauline Laycock | Secretary | 7 Sept 1991 | 23 Jun 2005 | British | - |
| Peter Ian Croskin | Secretary | 9 Oct 2012 | 31 Dec 2023 | - | - |
| Peter James Towner | Director | 19 Apr 2018 | 6 Jul 2018 | British | 41 years |
| Peter Jones | Director | 29 Nov 1994 | 30 Jun 1998 | British | 78 years |
| Ralph Flett Work | Director | 7 Sept 1991 | 31 Jul 1995 | British | 91 years |
| Ralph Peter Walker | Director | 27 Nov 1995 | 30 Jun 1998 | British | 80 years |
| Raymond Nicholson | Director | 9 Mar 1992 | 5 Sept 2003 | British | 98 years |
| Richard Peter Simpson | Director | 4 Oct 2013 | 29 May 2020 | British | 61 years |
| Richard Stuart Davies | Director | 17 Nov 1993 | 29 Nov 1994 | British | 66 years |
| Robert Christopher Hill | Secretary | 23 Jun 2005 | 24 Apr 2006 | British | - |
| Roger Fawcett Boyes | Director | 1 Mar 2006 | 6 Jan 2021 | British | 82 years |
| Roy Edward Martin | Director | 4 Dec 1997 | 30 Jun 1998 | British | 82 years |
| Simon Trevor Irons | Director | 18 Apr 2013 | 11 Feb 2016 | British | 55 years |
| Simon Trevor Irons | Director | 20 Mar 2019 | 5 Jun 2024 | British | 55 years |
| Stephen Paul Ellis | Director | 27 Jun 2011 | 19 Feb 2013 | British | 55 years |
| Stephen Peter Crawford | Director | 30 Nov 1995 | 31 Dec 1998 | British | 69 years |
| Stewart Imeson | Director | 14 Feb 2008 | 21 Mar 2018 | British | 60 years |
| Stuart Matheson Kennedy | Director | 14 Feb 2008 | 15 Oct 2011 | British | 82 years |
| Thomas Strang | Director | 27 Sept 1995 | 30 Sept 2002 | British | 85 years |
| Timothy Joseph Verrinder | Director | 14 Sept 2002 | 17 Oct 2006 | British | 63 years |
| Trevor Hartley | Director | 7 Sept 1991 | 31 Dec 2001 | British | 86 years |
| Veepul Patel | Director | 10 Jan 2008 | 9 Mar 2013 | British | 54 years |
| Zoe Jane Bamforth | Director | 18 Apr 2013 | 30 Oct 2020 | British | 50 years |