| Allan Robert Foad | Director | 21 Jul 2003 | 31 Oct 2005 | British | 76 years |
| Andrew John Cumming | Director | 22 Dec 2003 | 26 Apr 2012 | British | 71 years |
| Anthony Brian Vowles | Director | 25 Jul 2003 | 31 Oct 2003 | British | 74 years |
| Anthony Brian Vowles | Director | 29 Dec 2003 | 21 May 2008 | British | 74 years |
| Anthony Mark Basing | Director | 7 Jul 2004 | 7 Sept 2009 | British | 74 years |
| Colin Graham Dowsett | Director | 26 Apr 2012 | 22 Nov 2023 | British | 61 years |
| Frederick Michael Peter Riding | Director | 25 Jul 2003 | 29 Dec 2003 | British | 82 years |
| George Truett Tate | Director | 29 Dec 2003 | 5 May 2004 | American | 75 years |
| Ian Charles Boulton | Director | 1 Apr 2015 | 22 Jun 2015 | British | 67 years |
| Jon Mark Herbert | Director | 18 Jun 2007 | 26 Apr 2012 | British | 63 years |
| Keith Softly | Director | 27 Nov 2019 | 13 Jul 2021 | British | 48 years |
| Mark Andrew Grant | Director | 22 Dec 2003 | 16 Jun 2005 | British | 63 years |
| Michael Jonathan Green | Director | 21 Jul 2003 | 3 Dec 2003 | British | 78 years |
| Michael William Joseph | Director | 9 Jun 2004 | 15 Nov 2006 | British | 69 years |
| Michelle Antoinette Angela Johnson | Secretary | 22 May 2013 | 30 Sept 2017 | - | - |
| Patrick John Sherrington | Director | 22 May 2013 | 13 Jun 2016 | British | 52 years |
| Peter Bernard Miles | Director | 25 Jul 2003 | 26 Aug 2005 | British | 80 years |
| Peter Higgins | Director | 7 Sept 2005 | 16 May 2008 | British | 72 years |
| Richard Fowler Pelly | Director | 17 Nov 2005 | 26 Feb 2007 | British | 70 years |
| Robert Sagrott | Director | 16 Dec 2015 | 18 May 2017 | British | 68 years |
| Robin Alexander Isaacs | Director | 23 May 2008 | 13 Dec 2012 | British | 70 years |
| Roger Steuart King | Director | 25 Jul 2003 | 31 Oct 2003 | United States Citizen | 77 years |
| Sharon Noelle Slattery | Secretary | 17 Sept 2003 | 22 May 2013 | Irish | - |
| Simon Christopher Gledhill | Director | 26 Apr 2012 | 6 Mar 2014 | British | 60 years |
| Stephen Ball | Director | 22 May 2013 | 19 Jun 2017 | British | 50 years |
| Stephen John Hopkins | Secretary | 21 Jul 2003 | 17 Sept 2003 | British | - |
| Timothy John Cooke | Director | 18 Jun 2007 | 14 Aug 2012 | British | 66 years |