| Alan Paul Busson | Secretary | 20 Mar 2006 | 29 Sept 2006 | British | - |
| Amanda Louise Knott | Secretary | 29 Sept 2006 | 22 May 2013 | British | - |
| Andrew James Thompson | Director | 1 Jul 1997 | 30 Oct 2006 | British | 68 years |
| Ann Claire Blundell | Secretary | 22 May 2013 | 10 Feb 2014 | - | - |
| Anthony John Russell | Director | 1 May 1992 | 18 Sept 1995 | British | 84 years |
| Christopher Walter Laidlaw | Director | 1 May 1994 | 18 Sept 1995 | British | 74 years |
| Colin Edward Parker | Director | 1 May 1992 | 20 Apr 1995 | British | 91 years |
| Corina Katherine Ross | Secretary | 4 Feb 2011 | 22 May 2013 | British | - |
| David Arthur Lancaster | Secretary | 1 May 1992 | 20 Mar 1995 | British | - |
| Helen Frances Leigh Rogers | Secretary | 14 Jul 2008 | 2 Dec 2011 | British | - |
| Ian Bruce Owen | Director | 1 May 1992 | 18 Sept 1995 | British | 73 years |
| Ian Douglas Macrae | Director | 1 Jul 1997 | 16 May 2002 | British | 73 years |
| Ian Humphries James | Director | 18 Sept 1995 | 1 Jul 1997 | British | 75 years |
| Ian Ritchie | Secretary | 22 May 2013 | 10 Feb 2014 | - | - |
| James Anthony Wiltshire | Director | 18 Sept 1995 | 1 Jul 1997 | British | 83 years |
| James Douglas Sutherland | Director | 28 Jun 2013 | 20 Oct 2017 | British | 52 years |
| James Joseph Tierney | Director | 1 Jul 1997 | 1 Jul 2005 | British | 74 years |
| James Richard Sykes | Director | 30 Oct 2006 | 25 Mar 2009 | British | 65 years |
| Jayne Michelle Meacham | Secretary | 1 Nov 2006 | 2 May 2008 | British | - |
| Jonathan Vaughan-williams | Director | 25 Mar 2014 | 28 Apr 2017 | British | 59 years |
| Lily Olisa Holding | Secretary | 15 Sept 2003 | 1 Jul 2005 | British | - |
| Malcolm Denys Comfort | Director | 18 Sept 1995 | 23 Apr 1996 | British | 70 years |
| Malcolm Denys Comfort | Secretary | 20 Mar 1995 | 23 Apr 1996 | British | - |
| Margaret Elizabeth Gibbon | Secretary | 31 May 1999 | 15 Sept 2003 | British | - |
| Myles Gibson | Director | 1 May 1992 | 31 Jul 1993 | British | 78 years |
| Neil James Evans | Director | 15 May 2002 | 25 Mar 2014 | British | 69 years |
| Nigel Lowe | Director | 25 Mar 2009 | 28 Jun 2013 | British | 74 years |
| Nigel Lowe | Secretary | 1 Jun 2005 | 20 Mar 2006 | British | - |
| Norman Joseph Deryck Ames | Director | 1 May 1992 | 1 Feb 1994 | British | 82 years |
| Paul Barrington Knowles Hitchings | Director | 23 Apr 1996 | 1 Jul 1997 | British | 83 years |
| Phillip John Reader | Director | 1 May 1992 | 30 Jun 1992 | British | 88 years |
| Samantha Jayne Morris | Secretary | 23 Apr 1996 | 31 May 1999 | British | - |
| Vincent John Jerrard | Director | 15 May 2002 | 22 Jul 2003 | British | 71 years |