| Alan Christopher Martin | Secretary | 31 Mar 2011 | 31 Jul 2015 | British | - |
| Alan Christopher Martin | Director | 1 Jan 2009 | 31 Jul 2015 | British | 60 years |
| Clive Michael Wilding | Director | 31 Mar 1993 | 12 Oct 2001 | British | 71 years |
| Colin Warnock Mclellan | Director | 26 Jun 1996 | 1 Jul 2006 | British | 83 years |
| Colin Warnock Mclellan | Secretary | 14 Dec 1992 | 5 Mar 1996 | British | - |
| David Martyn Jackson Green | Director | 31 Mar 1993 | 28 Apr 1995 | British | 81 years |
| Dermot James Gleeson | Director | 14 Dec 1992 | 25 Sept 2002 | British | 77 years |
| Edwin John Lawrie | Director | 26 Jul 2001 | 21 Dec 2007 | British | 65 years |
| Edwin John Lawrie | Secretary | 18 Feb 2005 | 1 Jul 2006 | British | - |
| James Michael Douglas Thomson | Director | 10 Jun 2019 | 31 Dec 2022 | British | 60 years |
| John Clive Assender | Director | 14 Dec 1992 | 3 Feb 1998 | British | 94 years |
| John Patrick Gleeson | Director | 14 Dec 1992 | 14 Jun 1994 | British | 116 years |
| Jolyon Leonard Harrison | Director | 31 Jul 2015 | 10 Jun 2019 | British | 78 years |
| Joy Elizabeth Baldry | Secretary | 1 Jul 2006 | 31 Mar 2011 | British | - |
| Nicholas Christopher Holt | Director | 21 Dec 2007 | 30 Sept 2010 | British | 75 years |
| Paul Anthony Hewitt Wallwork | Director | 1 Jul 2006 | 31 Dec 2008 | British | 64 years |
| Peter Alfred Stewart Skingle | Director | 14 Dec 1992 | 2 Mar 1993 | British | 98 years |
| Stuart Leslie Seymour | Secretary | 5 Mar 1996 | 18 Feb 2005 | British | - |
| William Henry Hoggett | Director | 31 Mar 1993 | 9 May 1996 | British | 89 years |