| Adrian David Lane | Director | 28 Nov 2013 | 15 May 2018 | British | 53 years |
| Alan Pateman Jones | Director | 24 Jun 2002 | 1 Oct 2003 | British | 67 years |
| Deborah Ann Saunders | Secretary | 31 May 1992 | 6 Jan 2010 | Other | - |
| Duncan Allan James Aitken | Director | 21 Oct 2003 | 11 Dec 2006 | British | 71 years |
| Geoffrey David Windebank | Director | 11 Dec 1997 | 14 Feb 2002 | British | 69 years |
| Graham Stuart Johns | Director | 22 Sept 1995 | 3 Oct 1997 | British | 76 years |
| James Robert Foster Cooper | Director | 31 May 1992 | 24 Jul 1995 | British | 84 years |
| John Hampton Roberts | Director | 24 Jun 2002 | 1 Oct 2003 | British | 69 years |
| Jonathan Charles Pain | Director | 30 Apr 1998 | 31 Jan 2000 | British | 68 years |
| Karen Lesley Winchester | Director | 19 Jan 2007 | 31 Jul 2008 | British | 61 years |
| Kenneth Melville | Secretary | 6 Jan 2010 | 28 Mar 2014 | British | - |
| Mark Cheshire | Director | 9 Oct 2003 | 15 May 2009 | British | 67 years |
| Peter William Dacombe | Director | 24 Jul 1995 | 30 Apr 1998 | British | 74 years |
| Richard Anthony Charnock | Director | 19 Apr 2000 | 17 Jun 2002 | British | 66 years |
| Richard Jacob Wazacz | Director | 5 Nov 2009 | 25 May 2011 | British | 51 years |
| Richard Sydney Hetherington | Director | 31 May 1992 | 9 Feb 1996 | British | 79 years |
| Stuart Buckingham | Director | 15 Sept 2008 | 5 Nov 2009 | British | 59 years |
| Stuart Tilden Ransom | Director | 31 May 1992 | 22 Sept 1995 | British | 85 years |
| Tony Peter Wild | Director | 23 May 1996 | 30 Oct 2008 | British | 67 years |
| Trevor Laurence Stanley | Director | 31 May 1992 | 15 Jun 1992 | British | 75 years |
| Trevor Suarez | Director | 5 Nov 2009 | 31 Mar 2013 | British | 56 years |