| Adrian Micheal Nixon | Director | 27 Dec 2007 | 16 Jul 2013 | British | 56 years |
| Alexander Rudolf Dieter Koslowski | Director | 22 Apr 2014 | 3 Jun 2016 | German | 55 years |
| Bernadette Clare Barber | Secretary | 26 Feb 2003 | 3 Jun 2005 | British | - |
| Bernadette Clare Barber | Nominee Secretary | 11 Apr 2002 | 29 Oct 2002 | British | - |
| Brian Charles Youngs | Director | 28 Dec 2007 | 12 Dec 2013 | British | 72 years |
| Brian James Duffin | Director | 29 Oct 2002 | 18 Mar 2004 | British | 71 years |
| Brian James Duffin | Director | 30 Jul 2004 | 31 Mar 2007 | British | 71 years |
| Christopher George Ide | Director | 29 Oct 2002 | 30 Jul 2004 | British | 76 years |
| Christopher Martin Phillips | Nominee Director | 11 Apr 2002 | 29 Oct 2002 | British | 70 years |
| David Gordon Robinson | Director | 29 Oct 2002 | 26 May 2006 | British | 77 years |
| David Quinnell Kneeshaw | Director | 29 Oct 2002 | 18 Mar 2004 | British | 69 years |
| Ewan Farquharson Smith | Director | 30 Jul 2004 | 1 Jan 2020 | British | 63 years |
| John Vincent Deane | Director | 1 Apr 2007 | 1 Feb 2008 | British | 68 years |
| Martin Bailey | Director | 18 Mar 2004 | 30 Jul 2004 | British | 72 years |
| Martin Pierce Lewis | Director | 5 Apr 2012 | 31 Dec 2022 | British | 63 years |
| Michael John Yardley | Nominee Director | 11 Apr 2002 | 29 Oct 2002 | British | 70 years |
| Murray John Ross | Secretary | 29 Oct 2002 | 26 Feb 2003 | British | - |
| Noel Anthony Freeley | Director | 13 Feb 2017 | 29 Apr 2020 | British | 52 years |
| Paul Frederick Thomas Langton | Director | 29 Oct 2002 | 31 Oct 2007 | British | 61 years |
| Richard Harrison | Director | 30 Jul 2004 | 5 Apr 2012 | British | 72 years |
| Simon Charles Barwell | Director | 18 Mar 2004 | 30 Jul 2004 | British | 59 years |
| Stephen Shone | Director | 18 Apr 2002 | 29 Oct 2002 | British | 69 years |