| Adrian Colin Farnell | Director | 6 Sept 2000 | 31 Jul 2008 | British | 64 years |
| Alan Piers Johnson | Director | 11 May 2015 | 31 Jul 2017 | British | 57 years |
| Alan Piers Johnson | Director | 11 May 2015 | 15 Feb 2021 | British | 57 years |
| Alan Sinclair Devine | Director | 19 Jul 2007 | 31 Jul 2008 | British | 65 years |
| Amy Louise Noble | Director | 3 Oct 2024 | 25 Jul 2025 | British | 36 years |
| Andrew Paul Gadsby | Director | 1 Apr 2014 | 11 May 2015 | British | 59 years |
| Angela Mary Cunningham | Secretary | 15 Jun 2001 | 31 May 2003 | British | - |
| Arthur Geoffrey Slade | Director | 26 Apr 1995 | 11 Mar 1999 | British | 80 years |
| Carolyn Jean Down | Secretary | 16 Nov 2005 | 31 Oct 2012 | Other | - |
| Christopher Paul Stamper | Director | 8 Feb 1999 | 30 Jul 1999 | British | 70 years |
| Christopher Paul Sullivan | Director | 6 Sept 2000 | 31 May 2003 | British | 68 years |
| David Gerald Harris | Director | 31 Jul 2017 | 1 Nov 2019 | British | 56 years |
| Davies Burns Elder | Director | 6 Sept 2000 | 9 Nov 2001 | British | 80 years |
| Domhnal Slattery | Director | 18 Mar 2004 | 19 Jul 2004 | Irish | 58 years |
| Emma-marie Mayes | Director | 31 Jul 2017 | 6 Mar 2018 | British | 46 years |
| Emma-marie Mayes | Director | 11 May 2019 | 13 May 2025 | British | 46 years |
| Graham Colin Clemett | Director | 1 Jun 2003 | 29 Feb 2004 | British | 65 years |
| Harry Mccrea Roome | Director | 17 Sept 1992 | 26 Apr 1995 | British | 71 years |
| Heidi Elizabeth Bromley | Secretary | 27 Apr 1998 | 14 Jun 2001 | British | - |
| Helen Ann Grimshaw | Director | 13 Aug 2013 | 9 Apr 2014 | British | 50 years |
| Ian Maxwell Shephard | Director | 20 Aug 2008 | 10 Feb 2009 | British | 57 years |
| Jeffrey Johnson | Director | 1 Jan 1995 | 5 Feb 1999 | British | 80 years |
| John Charlton Barnes | Secretary | 12 May 1993 | 10 Nov 1995 | British | - |
| John Hamer Wood | Director | 8 Aug 2016 | 30 Jun 2017 | British | 63 years |
| Jonathan Michael Sweetman | Director | 6 Sept 2000 | 16 Jul 2001 | British | 74 years |
| Joseph David Taylor | Director | 31 Jul 2017 | 27 Jun 2024 | British | 45 years |
| Julian Edwin Rogers | Director | 16 Mar 2009 | 13 Aug 2013 | British | 55 years |
| Lambros Cleanthis Varnavides | Director | 13 Aug 2013 | 30 Jun 2014 | British | 76 years |
| Lynn Mckirkle | Director | 5 Mar 2021 | 30 Sept 2024 | British | 52 years |
| Lynne Conner | Director | 18 Nov 2019 | 5 Mar 2021 | British | 46 years |
| Margaret Janet Evans | Secretary | 7 Nov 1997 | 27 Apr 1998 | British | - |
| Marina Louise Thomas | Secretary | 1 Jun 2003 | 18 Nov 2005 | British | - |
| Michael Alan Maberly | Director | 17 Sept 1992 | 31 Dec 1994 | British | 89 years |
| Neil Jason Mcdaid | Director | 30 Dec 2016 | 31 Jul 2017 | British | 56 years |
| Nigel Pearce | Director | 1 Mar 1999 | 18 Mar 2004 | British | 74 years |
| Nigel Timothy John Clibbens | Director | 1 Apr 2014 | 27 Feb 2015 | British | 66 years |
| Patricia Ann Stranaghan | Secretary | 17 Sept 1992 | 12 May 1993 | British | - |
| Paul Denzil John Sullivan | Director | 31 Jul 2008 | 31 Dec 2013 | British | 59 years |
| Philip Anthony Tubb | Director | 19 May 2004 | 15 Aug 2008 | British | 59 years |
| Philip Antony Cheesman | Director | 13 Aug 2013 | 28 Jan 2015 | British | 55 years |
| Roy Francis Warren | Director | 31 Jul 2008 | 1 Apr 2014 | British | 69 years |
| Sharon Jill Caterer | Director | 1 Mar 2004 | 31 Aug 2017 | British | 63 years |
| Steven James Roulston | Director | 21 Sept 2017 | 18 Nov 2019 | British | 48 years |
| Stuart Preston | Secretary | 10 Nov 1995 | 7 Nov 1997 | British | - |
| Trevor Douglas Crome | Director | 1 Apr 2014 | 28 Jun 2016 | British | 65 years |
| Trevor Vaughan Castledine | Director | 18 Jun 2004 | 19 Jul 2007 | British | 56 years |
| William Vaughan Latter | Director | 6 Sept 2000 | 7 Jun 2004 | British | 68 years |