| Allan Robert Foad | Director | 8 Jun 2004 | 31 Oct 2005 | British | 77 years |
| Alyson Elizabeth Mulholland | Secretary | 18 Dec 2017 | 18 Mar 2024 | - | - |
| Andrew John Cumming | Director | 9 Jun 2004 | 26 Apr 2012 | British | 72 years |
| Andrew John Kemp | Director | 9 Jan 2017 | 28 Jun 2018 | British | 56 years |
| Anthony Brian Vowles | Director | 9 Jun 2004 | 21 May 2008 | British | 75 years |
| Anthony Mark Basing | Director | 7 Jul 2004 | 7 Sept 2009 | British | 75 years |
| Colin Graham Dowsett | Director | 26 Apr 2012 | 22 Nov 2023 | British | 62 years |
| Gerard Ashley Fox | Director | 29 May 2013 | 13 Jan 2022 | British | 63 years |
| John Robert Turner | Director | 13 Jan 2022 | 30 Jan 2024 | British | 62 years |
| Jon Mark Herbert | Director | 18 Jun 2007 | 26 Apr 2012 | British | 64 years |
| Mark Andrew Grant | Director | 9 Jun 2004 | 16 Jun 2005 | British | 64 years |
| Michael William Joseph | Director | 9 Jun 2004 | 15 Nov 2006 | British | 70 years |
| Michelle Antoinette Angela Johnson | Secretary | 22 May 2013 | 18 Dec 2017 | - | - |
| Peter Bernard Miles | Director | 8 Jun 2004 | 26 Aug 2005 | British | 81 years |
| Peter Higgins | Director | 7 Sept 2005 | 16 May 2008 | British | 73 years |
| Richard Fowler Pelly | Director | 17 Nov 2005 | 26 Feb 2007 | British | 71 years |
| Richard Owen Williams | Director | 29 May 2013 | 19 Sept 2016 | British | 67 years |
| Robin Alexander Isaacs | Director | 23 May 2008 | 13 Dec 2012 | British | 71 years |
| Sharon Noelle Slattery | Secretary | 8 Jun 2004 | 22 May 2013 | Irish | - |
| Simon Christopher Gledhill | Director | 26 Apr 2012 | 29 May 2013 | British | 61 years |
| Timothy John Cooke | Director | 18 Jun 2007 | 14 Aug 2012 | British | 67 years |
