| Andrew James Mcnaughton | Director | 22 Aug 2006 | 1 May 2010 | British | 63 years |
| Andrew Robert Astin | Director | 1 Feb 2016 | 28 Mar 2017 | British | 70 years |
| Andrew Stuart Cunningham Church | Director | 23 May 2005 | 31 Dec 2006 | British | 66 years |
| Andrew Stuart Cunningham Church | Secretary | 23 May 2005 | 31 Dec 2006 | British | - |
| Beverley Edward John Dew | Director | 28 Oct 2013 | 5 Dec 2014 | British | 55 years |
| Brian Osborne | Director | 22 Aug 2006 | 1 Sept 2009 | British | 74 years |
| Bryan William Baker | Director | 26 Apr 1993 | 8 Dec 2006 | British | 94 years |
| Christopher Henry Bruce Honeyborne | Director | 4 Apr 2000 | 8 Dec 2006 | British | 86 years |
| David Cotterill | Director | 23 Apr 2002 | 8 Dec 2006 | British | 83 years |
| David George Goose | Director | 27 Sept 1992 | 29 May 2002 | British | 79 years |
| David John Swales | Director | 27 Sept 1992 | 25 Apr 1994 | British | 77 years |
| David John Swales | Secretary | 27 Sept 1992 | 25 Apr 1994 | British | - |
| Emma Campbell | Secretary | 14 Oct 2010 | 1 Nov 2012 | - | - |
| Emma Campbell | Director | 11 Nov 2014 | 31 Dec 2015 | British | 46 years |
| Eric Grocott | Director | 27 Sept 1992 | 9 Mar 1995 | British | 99 years |
| Gerard Michael Roche | Director | 23 May 2005 | 8 Dec 2006 | British | 66 years |
| Gregory William Mutch | Secretary | 1 Nov 2012 | 30 Sept 2015 | - | - |
| Hans Wittmann | Director | 27 Sept 1992 | 20 Apr 1993 | German | 91 years |
| Heather Ann Craven | Director | 15 Aug 2001 | 23 May 2005 | British | 65 years |
| Heather Ann Craven | Secretary | 15 Aug 2001 | 23 May 2005 | British | - |
| Hector Macaulay | Director | 16 Nov 2012 | 8 May 2014 | British | 63 years |
| James Elders | Director | 27 Sept 1992 | 21 Apr 1994 | British | 76 years |
| John Anthony Meade Walsh | Director | 28 Jun 2013 | 28 Oct 2013 | British | 62 years |
| John Humphrey Askey Wood | Director | 27 Sept 1992 | 6 Sept 1995 | British | 94 years |
| John Michael Holt | Director | 27 Sept 1992 | 11 Sept 2003 | British | 73 years |
| John Thomas Elders | Director | 10 Dec 1998 | 15 Aug 2001 | British | 75 years |
| Mark Lloyd Cutler | Director | 22 Jul 2014 | 11 Nov 2014 | British | 58 years |
| Mark Richard Johnson | Director | 1 Sept 2009 | 16 Nov 2012 | British | 65 years |
| Marshall Duncan Scott | Director | 22 Mar 2011 | 12 Mar 2012 | British | 80 years |
| Martin Budden | Director | 26 Apr 1993 | 3 Jul 2007 | British | 69 years |
| Martin Budden | Secretary | 25 Apr 1994 | 15 Aug 2001 | British | - |
| Michael John Wilson | Director | 27 Sept 1992 | 12 Dec 1997 | British | 76 years |
| Murray John Easton | Director | 22 Mar 2011 | 22 Jul 2014 | British | 71 years |
| Paul David England | Director | 5 Dec 2014 | 31 Oct 2016 | British | 56 years |
| Peter Gareth Watson | Director | 9 Mar 1995 | 3 Jul 2007 | British | 76 years |
| Peter Malcolm Birse | Director | 27 Sept 1992 | 21 Sept 2001 | British | 84 years |
| Philip Hugh Morris | Secretary | 31 Dec 2006 | 14 Oct 2010 | British | - |
| Philip John Harris | Director | 23 May 2005 | 8 Dec 2006 | British | 70 years |
| Stephen John Hallett | Director | 27 Sept 1992 | 23 Dec 1992 | British | 79 years |
| Stuart Edward Curl | Director | 1 Feb 2016 | 31 May 2016 | British | 65 years |