| Alan Richard Emery | Director | 21 Jun 1991 | 19 Mar 1997 | British | 82 years |
| Alan Robert Edmunds | Director | 21 Jun 1991 | 31 Dec 2003 | British | 72 years |
| Alexander Reginald Benton | Director | 29 Nov 2010 | 14 Mar 2011 | British | 74 years |
| Alexander Reginald Benton | Director | 21 Jun 1991 | 18 Mar 1997 | British | 74 years |
| Andreas Georgiou | Director | 7 Jun 2019 | 3 Dec 2019 | British | 48 years |
| Anthony Charles Taylor | Secretary | 21 Mar 1997 | 25 Jun 1998 | British | - |
| Anthony Edward Coard | Director | 29 Aug 1996 | 17 Mar 2000 | British | 70 years |
| Anthony John Carey | Director | 6 Oct 1998 | 27 Apr 2001 | British | 53 years |
| Anthony John Carey | Director | 23 Jan 2002 | 16 Feb 2007 | British | 53 years |
| Anthony Raymond Dumper | Director | 26 Jan 1995 | 31 Dec 2001 | British | 78 years |
| Brent Hammond Green | Director | 17 Jan 2020 | 31 Dec 2021 | Zimbabwean | 53 years |
| Brian Anthony Betsy | Director | 25 Jan 2006 | 31 Mar 2010 | British | 51 years |
| Brian Benfield | Director | 25 Jan 2006 | 20 Apr 2007 | British | 67 years |
| Charles Peter Cobb | Director | 29 Nov 2010 | 14 Mar 2011 | British | 71 years |
| Christopher John Beesley | Director | 17 Oct 2007 | 31 Jan 2010 | British | 69 years |
| Colin John Morford | Director | 21 Jun 1991 | 30 Nov 1999 | British | 78 years |
| Daniel John Carroll | Director | 23 Jan 2015 | 30 Jun 2025 | British | 45 years |
| David Graham Jones | Director | 21 Jun 1991 | 24 Dec 2004 | British | 75 years |
| David James Lanchester | Secretary | 23 Nov 1995 | 21 Mar 1997 | British | - |
| David Keith Tipping | Director | 21 Jun 1991 | 16 Sept 1992 | British | 77 years |
| David Keith Tipping | Secretary | 21 Dec 1992 | 12 Nov 1995 | British | - |
| David Keith Tipping | Secretary | 25 Jun 1998 | 10 Apr 2012 | British | - |
| David Kenneth Wood | Director | 22 Aug 2000 | 31 Dec 2005 | British | 69 years |
| Dennis William Barnard | Director | 31 May 2001 | 17 Jan 2003 | British | 68 years |
| Elizabeth Barbara Cheney | Secretary | 24 Apr 2017 | 31 Dec 2017 | - | - |
| Gerald Anthony Malton | Director | 18 Jan 2001 | 25 Jul 2024 | British | 65 years |
| Ian Hepworth | Director | 18 Aug 1993 | 14 Oct 1999 | British | 75 years |
| James Anderson | Director | 21 Jun 1991 | 19 Mar 1997 | British | 81 years |
| James Anderson | Director | 6 Jul 2000 | 13 Oct 2000 | British | 81 years |
| James Thomas Holliday | Director | 13 Nov 2001 | 14 Mar 2013 | British | 70 years |
| Jeremy Philip Hilton Vickers | Secretary | 19 Jun 2014 | 24 Jul 2015 | - | - |
| Jeremy Philip Hilton Vickers | Director | 30 May 2014 | 24 Jul 2015 | British | 68 years |
| John Alan Manton | Director | 24 Feb 2012 | 30 Apr 2018 | British | 64 years |
| John Norman Daniel Bickel | Director | 21 Jun 1991 | 20 Mar 1997 | British | 87 years |
| John Patrick Lynch | Director | 18 Jan 2001 | 4 Oct 2002 | British | 65 years |
| John West | Director | 21 Jun 1991 | 31 Jul 2006 | British | 77 years |
| John Wood | Director | 30 Mar 2010 | 31 Dec 2019 | British | 67 years |
| Jonathan Andrew Holland Teare | Director | 17 Apr 2007 | 31 Aug 2011 | British | 55 years |
| Jonathan Paul Swan | Director | 2 Apr 2004 | 15 Nov 2004 | British | 62 years |
| Mark David Tomlinson | Director | 25 Apr 2005 | 29 Jul 2005 | British | 63 years |
| Mark Gilpin | Director | 13 Nov 2001 | 30 Aug 2007 | British | 63 years |
| Mark Hanson | Director | 25 Jan 2006 | 8 Dec 2006 | British | 71 years |
| Mark Paul Griffiths | Director | 19 Jan 2001 | 1 Mar 2001 | British | 60 years |
| Mark Phillip Killick | Director | 22 Mar 2002 | 29 Aug 2003 | British | 63 years |
| Martin Albert Burt | Director | 10 Apr 1996 | 13 Nov 2001 | British | 69 years |
| Martin Frank Jewell | Director | 16 Jun 1997 | 30 May 2003 | English | 81 years |
| Martin John Sidders | Director | 7 Apr 2009 | 19 Jun 2014 | British | 67 years |
| Martin John Sidders | Secretary | 11 Apr 2012 | 19 Jun 2014 | - | - |
| Martin Richard Smith | Director | 27 Sept 2004 | 31 Dec 2020 | British | 70 years |
| Michael Blakey | Director | 29 Nov 2010 | 14 Mar 2011 | British | 62 years |
| Michael Hamilton Craft | Director | 21 Jun 1991 | 31 Mar 2008 | British | 81 years |
| Michael Landon George | Director | 30 Mar 1998 | 27 May 1999 | British | 80 years |
| Michael Laurence Oleary | Director | 25 Jun 1998 | 25 Aug 2000 | British | 61 years |
| Michael Stewart Russell | Director | 18 Sept 2015 | 19 Nov 2015 | British | 60 years |
| Nicholas Dulcken | Director | 30 Mar 1998 | 22 May 2001 | British | 58 years |
| Nicholas Martin Dulcken | Director | 29 Nov 2010 | 14 Mar 2011 | British | 58 years |
| Nicolas Sean Warren | Director | 21 Jan 1998 | 16 Feb 2007 | British | 64 years |
| Nigel Patrick London | Director | 28 May 2002 | 31 Jul 2003 | British | 69 years |
| Oliver David Leedham | Director | 2 Feb 2022 | 31 Jul 2025 | British | 40 years |
| Patricia Gillis | Director | 22 Mar 2002 | 24 Oct 2003 | British | 71 years |
| Paul Christopher Quinn | Director | 29 Oct 2020 | 22 Jan 2024 | British | 47 years |
| Paul Hald Lewellen | Director | 16 Sept 1992 | 17 Nov 1994 | British | 67 years |
| Paul Stephen Lemar | Director | 12 Dec 2013 | 13 Feb 2015 | British | 55 years |
| Peter Anthony Hayward | Director | 21 Jan 2003 | 28 Feb 2009 | British | 62 years |
| Peter Reginald Miell | Director | 21 Jun 1991 | 12 Oct 1994 | British | 95 years |
| Peter Reginald Miell | Director | 30 Jun 1995 | 31 Jan 1997 | British | 95 years |
| Philip Andrew Monahan | Director | 21 Oct 2003 | 31 Mar 2013 | British | 77 years |
| Rhys Bernard Davies | Director | 22 Jan 2016 | 28 Feb 2022 | British | 43 years |
| Richard Hearnshaw | Director | 14 Dec 2004 | 14 Mar 2013 | British | 65 years |
| Richard Henry Westcott | Director | 9 Feb 1993 | 18 Jan 2001 | British | 78 years |
| Richard James Paterson | Director | 29 Nov 2010 | 14 Mar 2011 | British | 68 years |
| Richard John Lotherington | Director | 23 Feb 1999 | 16 Feb 2007 | British | 65 years |
| Richard Leslie Greaves | Director | 19 Jul 2007 | 15 Feb 2017 | British | 65 years |
| Robin Lewis Sherwood | Director | 18 Jan 2001 | 12 Aug 2002 | British | 70 years |
| Roderick Roy Macgillivray | Director | 16 Nov 1999 | 6 Sept 2000 | British | 75 years |
| Ronald John Rumble | Director | 1 May 2003 | 11 Jun 2010 | British | 76 years |
| Simon Anthony Hill | Director | 20 Apr 1994 | 29 Feb 1996 | British | 85 years |
| Stephen Charles Casey | Director | 21 Jun 1991 | 20 Mar 1997 | British | 76 years |
| Stephen Charles Casey | Director | 18 Jan 2001 | 31 Mar 2010 | British | 76 years |
| Stephen Parkinson | Director | 24 Oct 2002 | 31 Dec 2005 | British | 78 years |
| Stephen Pilkington | Director | 18 Jan 2001 | 21 Apr 2004 | British | 73 years |
| Steven Allenby | Director | 19 Feb 2012 | 8 Apr 2014 | British | 62 years |
| Steven Eastwood | Director | 19 Jan 2018 | 31 Dec 2024 | British | 58 years |
| Steven Edward Porter | Director | 21 Jun 1991 | 21 Jan 1993 | British | 76 years |
| Steven Gough | Director | 10 Aug 2010 | 11 Dec 2013 | British | 63 years |
| Steven James Gough | Director | 28 May 2002 | 9 Aug 2007 | British | 63 years |
| Stuart Mcdonald | Director | 31 Jul 2001 | 30 Jul 2004 | British | 64 years |
| Susan Gaynor Hide | Secretary | 24 Jul 2015 | 24 Apr 2017 | - | - |
| Terence Leslie Rood | Director | 1 May 2003 | 4 Jan 2007 | British | 76 years |
| Terrence John Gunner | Director | 21 Jun 1991 | 30 Sept 2005 | British | 86 years |
| Timothy Charles Richards | Director | 30 May 2014 | 19 May 2016 | British | 62 years |
| Timothy Simon Sellens | Director | 20 Jan 2017 | 31 May 2022 | British | 66 years |
| Vasos Ptohopoulos | Director | 23 Jan 2015 | 17 May 2019 | Greek | 50 years |
| William Derek Roy Miller | Secretary | 21 Jun 1991 | 21 Dec 1992 | British | - |
| William Frederick Blincoe | Director | 17 Apr 2007 | 18 Dec 2009 | British | 71 years |