| Alun Hughes Griffiths | Director | 18 Nov 2005 | 30 Jul 2014 | British | 72 years |
| Amanda Jane Emilia Massie | Director | 18 Mar 2002 | 27 May 2003 | British | 56 years |
| Amanda Jane Emilia Massie | Secretary | 28 Sept 1999 | 15 Sept 2004 | British | - |
| Anthony Michael Brandeis | Director | 16 Jul 1991 | 28 Sept 1999 | British | 82 years |
| Ashley Louise Gerrard | Secretary | 4 Nov 2016 | 28 Sept 2017 | - | - |
| Catherine Elizabeth Lindsay | Secretary | 4 Nov 2016 | 28 Sept 2017 | - | - |
| Heath Stewart Drewett | Director | 19 Jun 2009 | 15 Dec 2017 | British | 60 years |
| Helen Alice Baker | Secretary | 1 Jan 2008 | 4 Nov 2016 | British | - |
| Ian Robert Purser | Director | 15 Jul 2004 | 30 Jun 2011 | British | 75 years |
| James Alan Yates | Director | 12 Nov 1991 | 20 Nov 2000 | British | 74 years |
| James Constantine Stuart Mcclean | Director | 18 Nov 2005 | 24 Mar 2006 | British | 67 years |
| Katie Charmian David | Secretary | 28 Mar 2002 | 4 Nov 2002 | British | - |
| Martin Macdonald Grant | Director | 28 Sept 1999 | 25 Aug 2006 | British | 68 years |
| Michael Charles Gibbons | Director | 3 Jun 1996 | 8 May 2000 | British | 76 years |
| Muriel Elizabeth Hobson | Secretary | 16 Jul 1991 | 28 Sept 1999 | British | - |
| Philip Stephen James Davis | Secretary | 9 May 2005 | 30 Sept 2007 | British | - |
| Rawnsley James Hobson | Director | 16 Jul 1991 | 28 Sept 1999 | British | 89 years |
| Richard Charles Long | Director | 18 Mar 2002 | 30 Sept 2003 | British | 76 years |
| Richard Harry Cuthbert | Director | 28 Sept 1999 | 4 Mar 2002 | British | 73 years |
| Richard Howarth Tomalin | Secretary | 7 Feb 2000 | 28 Mar 2002 | British | - |
| Richard John Piper | Director | 18 Mar 2002 | 1 Oct 2002 | British | 74 years |
| Richard Webster | Director | 1 Jan 2012 | 31 Aug 2017 | British | 52 years |
| Richard Webster | Secretary | 4 Nov 2002 | 4 Nov 2016 | British | - |
| Robert James Macleod | Director | 27 May 2003 | 19 Jun 2009 | British | 62 years |
| Stephen Robert Billingham | Director | 27 May 2003 | 24 Aug 2004 | British | 68 years |
| Steven Johnson | Director | 1 Jul 2011 | 30 Nov 2011 | British | 77 years |
| Victoria Elizabeth Hames | Secretary | 15 Sept 2004 | 3 Jan 2005 | British | - |
| Vincent John Cosgriff | Director | 12 Nov 1991 | 30 Jan 2004 | British | 77 years |