| Alan Edwin Dean | Director | 1 Sept 1995 | 29 Feb 2000 | British | 82 years |
| Alan Wills | Director | 29 May 1992 | 31 May 1993 | British | 90 years |
| Andreas Drabert | Director | 2 Oct 2014 | 5 Apr 2019 | German | 55 years |
| Andrew James Gallagher | Director | 1 Apr 2003 | 31 Dec 2023 | British | 64 years |
| Andrew John Wishart | Director | 1 Mar 2011 | 1 Oct 2019 | British | 68 years |
| Ann-louise Holding | Secretary | 16 Nov 2000 | 7 Jul 2009 | British | - |
| Anthony Edward Albert Dudman | Director | 29 May 1992 | 30 Jun 1993 | British | 96 years |
| Anthony Edward Albert Dudman | Director | 27 Sept 1999 | 31 Dec 2004 | British | 96 years |
| Barry James Culshaw | Director | 17 May 2000 | 31 Mar 2010 | British | 81 years |
| Betse Geraldine Effanga | Secretary | 18 Dec 2018 | 3 Sept 2019 | - | - |
| Brian Cookson | Director | 29 May 1992 | 30 Jun 1992 | British | 95 years |
| Brian Griffiths | Director | 20 Jul 1993 | 30 Dec 1994 | British | 84 years |
| Brian Patrick Hart | Director | 6 Dec 2001 | 31 Mar 2010 | British | 67 years |
| Brian Patrick Pemberton | Director | 29 May 1992 | 30 Apr 2001 | British | 84 years |
| Brian Richard Davies | Director | 6 Oct 2011 | 10 Dec 2012 | British | 75 years |
| Carol Paul | Director | 2 Jul 2010 | 31 Dec 2021 | British | 65 years |
| Caroline Louise Aubin | Director | 3 Apr 2018 | 1 Oct 2019 | British | 66 years |
| Christopher Michael Deal | Director | 1 Oct 2019 | 30 Apr 2024 | British | 64 years |
| Christopher Roy Dickson | Director | 19 May 1993 | 31 Dec 2004 | British | 76 years |
| Christopher Stanley Williams | Director | 6 May 2010 | 31 Mar 2022 | British | 65 years |
| Cornelius Joseph Sheehan | Director | 26 Feb 2004 | 31 Dec 2010 | Irish | 78 years |
| Craig Allan Murray | Director | 20 Mar 2017 | 31 Dec 2021 | British | 65 years |
| David Anthony Cole | Director | 13 Dec 2011 | 15 Mar 2018 | British | 62 years |
| David Cole | Director | 1 Oct 2019 | 31 Oct 2023 | British | 71 years |
| David Holmes | Secretary | 15 Dec 2016 | 2 Jan 2018 | - | - |
| David Patrick Moakes | Director | 1 Jan 2005 | 31 Dec 2010 | British | 90 years |
| David Stanley Parkes | Secretary | 29 May 1992 | 16 Nov 2000 | British | - |
| David Vernon Tipping | Director | 22 Feb 2000 | 31 Oct 2001 | British | 79 years |
| David William Griffiths | Director | 7 Sept 1992 | 4 Sept 1997 | British | 81 years |
| Derek Andrew Wilson | Director | 27 Jun 2012 | 27 Jun 2012 | British | 76 years |
| Derek Goodenough | Director | 10 Feb 1995 | 31 Aug 2004 | British | 83 years |
| Derek Reeh | Director | 17 May 2001 | 31 Dec 2004 | British | 75 years |
| Frank Hilton | Director | 29 May 1992 | 9 Feb 2000 | British | 83 years |
| George William Bayer | Secretary | 7 Jul 2009 | 31 Dec 2011 | Other | - |
| Guy Rhodri Griffiths | Director | 17 May 2000 | 31 Oct 2018 | British | 69 years |
| Hayley Alice Clifton | Secretary | 3 Jan 2012 | 15 Dec 2016 | - | - |
| Hayley Alice Clifton | Secretary | 2 Jan 2018 | 18 Dec 2018 | - | - |
| Helen Jane Turner | Director | 29 May 1992 | 31 Dec 2000 | British | 71 years |
| Ian Albert Moore Hall | Director | 29 May 1992 | 19 May 1993 | British | 94 years |
| Ian Graham King | Director | 16 May 2002 | 31 Aug 2008 | British | 70 years |
| John Allan Watson | Director | 29 May 1992 | 31 Jul 1994 | British | 91 years |
| John Edmund Walsh | Director | 16 Sept 2004 | 16 Dec 2009 | British | 74 years |
| John Keeble | Director | 13 May 1994 | 9 Dec 2002 | British | 68 years |
| John Pix Weston | Director | 19 May 1993 | 8 Feb 1996 | British | 75 years |
| John Turner | Director | 1 Jan 2005 | 31 Mar 2010 | British | 74 years |
| Joseph Michael Reed | Director | 1 Oct 2019 | 30 Jun 2024 | British | 58 years |
| Julie Anne Cook | Secretary | 3 Sept 2019 | 6 Oct 2020 | - | - |
| Julie Anne Cook | Secretary | 1 Sept 2021 | 1 Jan 2023 | - | - |
| Kevin Smith | Director | 8 Feb 1996 | 19 Nov 1998 | British | 72 years |
| Kevin Thomas Lawton | Director | 7 Jun 2007 | 31 Jul 2008 | British | 68 years |
| Louisa Richards | Secretary | 6 Oct 2020 | 31 Aug 2021 | - | - |
| Louise Sara Wallwork | Director | 1 Jan 2005 | 3 Apr 2024 | British | 53 years |
| Mark Dalton | Director | 6 May 2010 | 28 Feb 2011 | British | 70 years |
| Mark Geoffrey Handley | Director | 3 Jul 2014 | 31 Dec 2014 | British | 66 years |
| Martin Neil Gerhold | Director | 30 Nov 1993 | 30 Jan 1995 | British | 74 years |
| Michael John Byfield | Director | 16 Mar 2015 | 31 Mar 2021 | British | 70 years |
| Michael John Turner | Director | 21 Feb 2002 | 16 May 2002 | British | 78 years |
| Michael Stuart Ball | Director | 10 Sept 2001 | 28 Feb 2007 | British | 79 years |
| Nicholas John Taylor | Director | 29 May 1992 | 31 Dec 1992 | British | 73 years |
| Nicholas Raymond Hubbard | Director | 21 Feb 2001 | 6 Oct 2011 | British | 69 years |
| Patrick Peter Cauldwell | Director | 18 Mar 2014 | 1 Oct 2019 | British | 90 years |
| Patrick Waters | Director | 10 Feb 1995 | 12 May 1995 | British | 67 years |
| Paul Duncan Holt | Director | 17 Feb 1993 | 4 Oct 1995 | British | 68 years |
| Philip Riley | Director | 7 Sept 1992 | 31 Mar 2003 | British | 81 years |
| Philippa Kramer | Director | 31 Dec 2021 | 2 Apr 2024 | British | 53 years |
| Raymond James Wilson | Director | 19 Nov 1998 | 18 Jul 2001 | British | 80 years |
| Richard Alan Parsons | Director | 1 Oct 2019 | 31 Mar 2023 | British | 76 years |
| Richard Douglas Lapthorne | Director | 22 Jul 1992 | 19 Nov 1998 | British | 83 years |
| Robert Brian Boyd | Director | 25 Jun 2013 | 31 Jan 2014 | British | 73 years |
| Robert Henry Berkeley Hart | Director | 8 Feb 1996 | 15 Dec 1998 | British | 82 years |
| Robert Mark Stewart | Director | 2 Oct 2008 | 31 Dec 2023 | British | 64 years |
| Roger William Hawksworth | Director | 15 Dec 1998 | 19 Apr 2001 | British | 83 years |
| Rory Mcculloch Fisher | Director | 16 May 2002 | 16 Jun 2014 | British | 62 years |
| Stephen Anthony Olsson | Director | 18 Jan 2011 | 25 Mar 2018 | British | 65 years |
| Stewart Blomiley | Director | 29 May 1992 | 19 May 1993 | British | 80 years |
| Terence Dillon | Director | 2 Oct 2008 | 30 Jun 2011 | British | 73 years |
| Terence Keith Morgan | Director | 4 Sept 1997 | 5 Apr 2002 | British | 78 years |
| Thomas Campell Kelso | Director | 27 Feb 2003 | 3 Dec 2003 | British | 73 years |
| Thomas Nicholson | Director | 4 Nov 1994 | 31 Dec 1999 | British | 80 years |
| Thomas Royle | Director | 29 May 1992 | 2 Jul 2010 | British | 79 years |
| Trevor Raymond King | Director | 15 Dec 2010 | 31 Dec 2016 | British | 69 years |
| Victor George Palmer | Director | 29 May 1992 | 28 Feb 1994 | British | 90 years |
| William Edward Hardy | Director | 18 Jan 2011 | 11 Dec 2013 | British | 81 years |