| Adrian Colin Farnell | Director | 1 Jul 2001 | 31 Jul 2008 | British | 64 years |
| Adrian Richard Hilliard | Director | 2 Mar 1998 | 30 Apr 2000 | British | 68 years |
| Alan Piers Johnson | Director | 11 May 2015 | 31 Jul 2017 | British | 57 years |
| Alan Sinclair Devine | Director | 19 Jul 2007 | 31 Jul 2008 | British | 65 years |
| Allen Peter Hing | Director | 23 Oct 1996 | 29 Aug 1997 | British | 75 years |
| Andrew Paul Gadsby | Director | 1 Apr 2014 | 11 May 2015 | British | 59 years |
| Angela Mary Cunningham | Secretary | 18 Dec 1999 | 1 Sept 2006 | British | - |
| Brian Addison Carte | Director | 11 Jul 1992 | 2 Feb 1994 | British | 82 years |
| Carolyn Jean Whittaker | Secretary | 1 Sept 2006 | 31 Oct 2012 | Other | - |
| Christopher George Knowles | Director | 17 Apr 2000 | 31 May 2003 | British | 68 years |
| Christopher Paul Sullivan | Director | 7 Dec 1999 | 29 Feb 2004 | British | 68 years |
| Colim Barton-smith | Director | 2 Feb 1994 | 23 Jun 1997 | British | 78 years |
| David Gerald Harris | Director | 31 Jul 2017 | 1 Nov 2019 | British | 56 years |
| Derek John Lewis | Secretary | 17 May 1999 | 17 Dec 1999 | British | - |
| Domhnal Slattery | Director | 18 Mar 2004 | 19 Jul 2004 | Irish | 58 years |
| Eion Arthur Mcmorran Flint | Director | 1 Jul 2001 | 31 May 2003 | British | 73 years |
| Emma-marie Mayes | Director | 31 Jul 2017 | 6 Mar 2018 | British | 46 years |
| Graham Colin Clemett | Director | 1 Jun 2003 | 29 Feb 2004 | British | 65 years |
| Hugh John Henderson Cleland | Director | 2 Mar 1998 | 21 Apr 1999 | British | 63 years |
| Ian Maxwell Shephard | Director | 20 Aug 2008 | 10 Feb 2009 | British | 57 years |
| Jeffrey Johnson | Director | 17 May 1999 | 8 Nov 1999 | British | 80 years |
| John Derek Fitch | Director | 11 Jul 1992 | 2 Feb 1994 | British | 88 years |
| John Douglas Purdy | Director | 11 Jul 1992 | 2 Feb 1994 | British | 88 years |
| John Hamer Wood | Director | 8 Aug 2016 | 30 Jun 2017 | British | 63 years |
| Julian Edwin Rogers | Director | 16 Mar 2009 | 1 Apr 2014 | British | 55 years |
| Lynne Conner | Director | 18 Nov 2019 | 5 Mar 2021 | British | 46 years |
| Malcolm David Smith | Director | 2 Feb 1994 | 23 Oct 1996 | British | 76 years |
| Malcolm David Smith | Director | 29 Aug 1997 | 14 Jul 1998 | British | 76 years |
| Margaret Janet Evans | Secretary | 18 Mar 1993 | 2 Feb 1994 | British | - |
| Michael Alan Maberly | Director | 11 Jul 1992 | 2 Feb 1994 | British | 89 years |
| Neil Jason Mcdaid | Director | 30 Dec 2016 | 31 Jul 2017 | British | 56 years |
| Nicholas Michael Dent | Director | 2 Mar 1998 | 17 May 1999 | British | 60 years |
| Nigel Pearce | Director | 17 May 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 | 11 Jul 1992 | 18 Mar 1993 | British | - |
| Patrick Bart Webster | Director | 2 Mar 1998 | 12 Mar 1998 | British | 69 years |
| Paul Carpenter | Director | 23 Jun 1997 | 17 May 1999 | British | 69 years |
| Paul Denzil John Sullivan | Director | 31 Jul 2008 | 30 Dec 2013 | British | 59 years |
| Paul Eugene Bartlett | Secretary | 18 Feb 1999 | 17 May 1999 | British | - |
| Peter Higgins | Director | 17 May 1999 | 30 Mar 2000 | British | 72 years |
| Peter Thomas Keighley | Director | 10 Jul 1996 | 17 May 1999 | British | 67 years |
| Philip Anthony Tubb | Director | 19 May 2004 | 15 Aug 2008 | British | 59 years |
| Philip Maturin Davy | Director | 2 Feb 1994 | 10 Apr 1995 | British | 71 years |
| Richard James Bailey | Director | 2 Feb 1994 | 30 Apr 1995 | British | 71 years |
| Richard Piers Ashworth Bull | Director | 2 Feb 1994 | 12 Feb 1998 | British | 81 years |
| Robert Duncan Brodie | Director | 1 Jun 2003 | 29 Feb 2004 | British | 60 years |
| Robert Lawrence Pashley | Director | 24 Apr 1995 | 4 Feb 1998 | British | 80 years |
| Roy Francis Warren | Director | 31 Jul 2008 | 1 Apr 2014 | British | 69 years |
| Sally Elizabeth Lewis | Secretary | 2 Feb 1994 | 18 Feb 1999 | British | - |
| 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 |
| 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 | 1 Mar 2004 | 7 Jun 2004 | British | 68 years |