| Alexander Graham Currie | Director | 23 Feb 2009 | 20 Sept 2013 | British | 65 years |
| Andrew Robert Astin | Director | 1 Oct 2015 | 28 Mar 2017 | British | 70 years |
| Anthony Graham Kyle Trinick | Director | 11 Oct 1992 | 30 Jun 1995 | British | 83 years |
| Carl Anthony Wheldrake | Director | 11 Oct 1992 | 31 Mar 1995 | British | 88 years |
| Christopher Fidlay Morgan | Director | 13 Sept 2011 | 30 Mar 2012 | British | 55 years |
| Christopher John Hilary Dagger | Director | 5 Sept 1996 | 8 Oct 1998 | British | 77 years |
| Colin Kenneth Dawe | Director | 3 Apr 1995 | 30 Jun 1997 | British | 79 years |
| David Goldie Beck | Director | 11 Oct 1992 | 20 Mar 2008 | British | 76 years |
| David Norman Mayer | Director | 11 Oct 1992 | 31 Jul 1995 | British | 77 years |
| Gregory William Mutch | Director | 12 Sept 2014 | 30 Sept 2015 | British | 69 years |
| Gregory William Mutch | Secretary | 12 Feb 2010 | 30 Sept 2015 | British | - |
| Ian Kenneth Smith | Director | 29 Mar 2017 | 13 May 2022 | British | 58 years |
| John Anthony Balderstone | Director | 11 Oct 1992 | 31 Jul 1995 | British | 85 years |
| Lawson Elliot | Director | 4 Sept 1997 | 1 Dec 2008 | British | 77 years |
| Michael John Auckland | Director | 20 Sept 2013 | 12 Sept 2014 | British | 67 years |
| Michael William Welton | Director | 3 Apr 1995 | 31 Dec 1999 | British | 80 years |
| Paul John Lester | Director | 1 Jan 2000 | 28 Jun 2002 | British | 77 years |
| Peter John Barnes | Director | 1 Aug 1995 | 23 Feb 2010 | British | 77 years |
| Peter John Barnes | Secretary | 16 Jun 1997 | 12 Feb 2010 | British | - |
| Philip Frank Kenneth Ellis | Director | 29 Mar 2017 | 29 Apr 2022 | British | 61 years |
| Robert Andrew Macdonald Watson | Secretary | 11 Oct 1992 | 30 Jun 1995 | British | - |
| Robert Mark Griffiths | Director | 12 Feb 2010 | 12 Sept 2014 | British | 73 years |
| Robert Sharp | Director | 11 Oct 1992 | 13 Oct 1995 | British | 82 years |
| Simon Lafferty | Director | 29 Mar 2017 | 26 Nov 2021 | British | 56 years |
| Stephen Michael Tough | Director | 12 Sept 2014 | 31 Oct 2016 | British | 54 years |
| Steven Alexander Waterhouse | Director | 11 Oct 1992 | 16 Jun 1997 | British | 72 years |
| Steven Alexander Waterhouse | Secretary | 1 Jul 1995 | 16 Jun 1997 | British | - |