| Andrew Murray Rowden | Director | 1 May 2016 | 1 May 2024 | British | 57 years |
| Andrew Richard Duncan | Director | 29 Apr 2002 | 15 Oct 2009 | British | 64 years |
| Anthony Wood | Director | 27 Apr 2001 | 23 Jan 2004 | British | 68 years |
| Barbara Ann Cooper | Director | 30 Apr 1996 | 1 May 2000 | British | 81 years |
| Barbara Ann Cooper | Secretary | 19 Oct 1991 | 1 May 2000 | British | - |
| David Colin Frizell | Director | 5 Oct 2013 | 1 May 2014 | Irish | 60 years |
| David Gresford Belmont | Secretary | 3 Apr 2008 | 19 Jan 2009 | British | - |
| David John Todd | Director | 1 May 1998 | 15 Oct 2009 | British | 63 years |
| David Michael Barry | Director | 19 Oct 1991 | 1 May 1995 | British | 84 years |
| Derek Gordon Mccrindle | Director | 1 May 1996 | 31 Oct 2002 | British | 73 years |
| Geoffrey Malcolm Townsend | Director | 19 Oct 1991 | 30 Apr 1993 | British | 99 years |
| Graham Thomson | Director | 26 Sept 2001 | 15 Oct 2009 | British | 73 years |
| Ian Andrew Donaldson | Director | 27 Apr 2001 | 15 Oct 2009 | British | 61 years |
| Ian Murdoch | Director | 19 Oct 1991 | 30 Apr 1996 | British | 87 years |
| Jonathan Colin Michael White | Director | 1 May 2014 | 30 Apr 2018 | British | 64 years |
| Malcolm Harold Tisdale | Director | 19 Oct 1991 | 30 Apr 1996 | British | 88 years |
| Martin Stephen Jeremy Lathom-sharp | Director | 19 Apr 2000 | 1 Nov 2023 | British | 58 years |
| Martin Stephen Jeremy Lathom-sharp | Secretary | 19 Apr 2000 | 1 Nov 2023 | British | - |
| Michael Robert Collings | Director | 5 Oct 2013 | 1 May 2017 | British | 69 years |
| Michael Robert Collings | Director | 1 May 1999 | 29 Apr 2002 | British | 69 years |
| Paul Harris | Secretary | 29 Jan 2004 | 15 Oct 2009 | British | - |
| Paul Richard Foxton Townsend | Director | 19 Oct 1991 | 1 May 1995 | British | 70 years |
| Robert Alan Hewitt | Director | 19 Oct 1991 | 23 Jan 2004 | British | 74 years |
| Robert Alan Hewitt | Director | 1 Sept 2005 | 15 Oct 2009 | British | 74 years |
| Robert Fraser Mcalister | Director | 28 Sept 2000 | 29 Apr 2002 | British | 70 years |
| Robert Jeffrey Smith | Director | 19 Oct 1991 | 30 Apr 1999 | British | 86 years |
| Thomas Leonard Raymond Kay | Director | 1 May 1996 | 30 Apr 1999 | British | 79 years |
| Thomas Niall Ledlie Harrison | Director | 1 May 1999 | 1 May 2017 | British | 71 years |
| Timothy Gordon Wray | Director | 19 Oct 1991 | 1 May 2011 | British | 77 years |
| Wesley Binney Molyneux | Director | 19 Oct 1991 | 30 Apr 1993 | British | 92 years |
| William Alistair Wilson | Director | 19 Oct 1991 | 30 Apr 1996 | British | 80 years |
| William Keith Woolgar | Director | 19 Apr 2000 | 23 Jan 2004 | British | 77 years |