| Allan John Clark | Director | 30 Jun 1993 | 30 Sept 1994 | British | 72 years |
| Andrew David Fairhurst | Secretary | 9 Feb 1993 | 23 Aug 1993 | British | - |
| Basil Austin Body | Director | 7 Aug 1991 | 31 Dec 1992 | British | 96 years |
| Benjamin David Thompson | Director | 29 Oct 2008 | 13 Jan 2014 | British | 57 years |
| Carol Ann Dockrell | Secretary | 12 May 1997 | 12 Jan 1998 | British | - |
| Christopher Roger David Hollingdale | Director | 24 Jul 2019 | 24 Aug 2022 | British | 42 years |
| David George Froude | Director | 7 Aug 1991 | 30 Jun 1993 | British | 83 years |
| David George Froude | Secretary | 7 Aug 1991 | 9 Feb 1993 | British | - |
| David Maltby | Director | 29 Apr 1994 | 6 Feb 1998 | British | 81 years |
| Debra Cooke | Secretary | 9 Feb 2001 | 29 Sept 2003 | British | - |
| Graham John Davey | Director | 15 Feb 1999 | 9 Feb 2001 | British | 69 years |
| Jeremy Michael Duncombe | Director | 10 Feb 2016 | 13 Mar 2018 | British | 57 years |
| Julie Patricia Seabrook | Secretary | 18 Dec 1998 | 9 Feb 2001 | British | - |
| Kevin Mark Roberts | Director | 14 Mar 2018 | 16 Apr 2019 | British | 55 years |
| Kevin William Webb | Director | 25 Apr 2012 | 24 Aug 2022 | British | 61 years |
| Lawrence Kevin Penney | Director | 30 Sept 1994 | 16 Jan 1995 | British | 77 years |
| Lawrence Kevin Penney | Director | 9 Feb 2001 | 26 Sept 2005 | British | 77 years |
| Lee Beadman | Director | 16 Jan 1995 | 12 Mar 1999 | British | 65 years |
| Mark Holweger | Director | 10 Feb 2017 | 9 Feb 2018 | British | 61 years |
| Mark Newton | Director | 6 Feb 1998 | 28 Oct 1998 | British | 71 years |
| Martin Charles Noone | Director | 13 Jan 2014 | 27 Nov 2015 | British | 60 years |
| Nicholas Goodwin Frankland | Director | 18 Feb 2019 | 19 Aug 2021 | British | 55 years |
| Nicolas John Thatcher | Director | 31 Dec 1992 | 29 Apr 1994 | British | 80 years |
| Paul John Mitchener | Director | 21 Nov 2005 | 31 Dec 2006 | British | 65 years |
| Richard Alan Beer | Director | 15 Feb 1999 | 7 Aug 2000 | British | 59 years |
| Richard Ian Fisk | Director | 10 Feb 2016 | 30 Jun 2025 | British | 60 years |
| Sally Jane Williams | Secretary | 12 Jan 1998 | 18 Dec 1998 | British | - |
| Simon Richard Griffiths | Director | 24 Aug 2022 | 22 Jul 2025 | British | 57 years |
| Stephen Alan Goodall | Director | 18 Jul 2005 | 28 Mar 2017 | British | 56 years |
| Stephen Charles Addison Smith | Director | 21 May 2001 | 31 Dec 2017 | British | 69 years |
| Stephen Charles Addison Smith | Director | 9 Feb 2018 | 13 Apr 2018 | British | 69 years |
| Stephen John Tearle | Director | 14 Feb 2007 | 1 May 2009 | British | 53 years |
| Stewart Haigh | Director | 6 Feb 1998 | 29 Sept 2003 | British | 78 years |
| Thomas Andrew Forwood Smith | Secretary | 23 Aug 1993 | 18 Apr 1997 | British | - |
| Vanessa White | Director | 7 Aug 2000 | 25 Sept 2019 | British | 61 years |