| Alastair James Gordon-stewart | Director | 12 Feb 2013 | 1 Jun 2016 | British | 54 years |
| Andrew Nicholas Howard White | Director | 8 Mar 2006 | 31 Jan 2013 | British | 56 years |
| Bethan Melges | Secretary | 16 Jul 2015 | 9 Sept 2019 | - | - |
| Christopher John Higham | Secretary | 9 May 2001 | 30 Jun 2002 | British | - |
| Colin Ronald William Busby | Director | 26 May 2000 | 30 Jun 2004 | British | 82 years |
| Deborah Pamela Hamilton | Secretary | 25 Jul 2011 | 22 Sept 2014 | - | - |
| Harold Lister Thompson | Secretary | 26 May 2000 | 9 May 2001 | British | - |
| Ian Paul Woods | Director | 26 May 2000 | 31 Mar 2013 | British | 69 years |
| Ian Paul Woods | Secretary | 26 Jun 2002 | 25 Jul 2011 | British | - |
| James Anthony John Byrne | Director | 26 May 2000 | 8 Jul 2002 | British | 70 years |
| James Paul Lambert | Director | 2 Feb 2005 | 18 Aug 2005 | British | 59 years |
| Kevin Dixon | Director | 8 Apr 2011 | 29 Dec 2017 | British | 71 years |
| Matthew Armitage | Secretary | 22 Dec 2014 | 16 Jul 2015 | - | - |
| Nigel Alan Turner | Director | 1 Jul 2004 | 19 Jan 2016 | British | 61 years |
| Philip Higgins | Secretary | 9 Sept 2019 | 24 Sept 2021 | - | - |
| Richard William Simkin | Director | 26 May 2000 | 30 Jun 2011 | British | 78 years |
| Roger John Duncombe | Director | 21 Mar 2005 | 8 Apr 2009 | British | 72 years |
| Thomas George Gilman | Director | 8 Apr 2011 | 21 Feb 2013 | British | 56 years |