| Alan Wallace Mckean | Director | 19 May 2000 | 15 Oct 2004 | British | 71 years |
| Angela Mary Cunningham | Director | 15 Oct 2004 | 28 Feb 2008 | British | 63 years |
| Anthony Roger Moore | Director | 23 Apr 1992 | 29 May 1992 | British | 80 years |
| Barbara Charlotte Wallace | Director | 15 Oct 2010 | 22 Aug 2011 | British | 54 years |
| Christine Anne Russell | Secretary | 22 Aug 2011 | 27 Jul 2012 | - | - |
| Christopher Conor Mccann | Director | 7 Feb 1997 | 31 May 2000 | British | 78 years |
| Creighton Thomas Redman | Director | 23 Apr 1992 | 23 Apr 1993 | British | 92 years |
| David Martin Barclay | Director | 23 Apr 1993 | 7 Feb 1997 | British | 71 years |
| David Robert Shaw | Director | 23 Apr 1992 | 12 Mar 1993 | British | 77 years |
| David Robert Shaw | Director | 7 Feb 1997 | 31 May 2000 | British | 77 years |
| David William Haigh | Director | 13 Aug 1992 | 24 Mar 1994 | British | 85 years |
| Derek John Lewis | Director | 15 Oct 2004 | 28 Feb 2008 | British | 61 years |
| Derek John Lewis | Secretary | 2 Nov 2007 | 30 Jun 2008 | British | - |
| Donald Charles Macpherson | Director | 23 Apr 1992 | 7 Feb 1997 | British | 93 years |
| Eric George William Tough | Director | 19 May 2000 | 15 Oct 2004 | British | 68 years |
| Gary Robert Mcneilly Stewart | Director | 29 Feb 2008 | 15 Oct 2010 | British | 59 years |
| Hew Campbell | Director | 19 May 2000 | 15 Oct 2004 | British | 63 years |
| James Anthony Jackson | Director | 15 Oct 2010 | 17 Apr 2012 | British | 58 years |
| James Geoffrey Littler | Director | 23 Apr 1992 | 4 Aug 1992 | British | 95 years |
| James Snowden Chester | Director | 13 Aug 1992 | 24 Nov 1992 | British | 86 years |
| John David Howland-jackson | Director | 23 Apr 1993 | 29 Jul 1996 | British | 76 years |
| John Martin Owen | Director | 4 Aug 1992 | 10 Feb 1997 | United Kingdom | 79 years |
| John William Drury | Director | 23 Apr 1992 | 10 Jul 1992 | Australian | 73 years |
| Keith Howard Churchman | Director | 7 Feb 1997 | 31 May 2000 | British | 67 years |
| Lindsey Helen Cameron | Secretary | 1 Aug 2008 | 22 Aug 2011 | Other | - |
| Lorraine May Blair | Secretary | 18 Nov 2005 | 1 Nov 2007 | British | - |
| Marina Louise Thomas | Secretary | 21 May 2004 | 18 Nov 2005 | British | - |
| Mark Patrick Nicholls | Director | 19 May 2000 | 31 Mar 2003 | British | 76 years |
| Neil Clark Macarthur | Director | 29 Feb 2008 | 15 Oct 2010 | British | 58 years |
| Paul Eugene Bartlett | Secretary | 5 May 2000 | 21 May 2004 | British | - |
| Peter Bligh St George | Director | 23 Apr 1992 | 31 Dec 1994 | British | 79 years |
| Philip John Surtees Wise | Director | 24 Mar 1994 | 7 Feb 1997 | British | 76 years |
| Richard James Hopkins | Director | 15 Oct 2004 | 28 Feb 2008 | British | 67 years |
| Robert Leslie Norbury | Director | 23 Apr 1992 | 10 Mar 1993 | British | 87 years |
| Ruth Nicholson | Secretary | 27 Oct 1997 | 4 May 2000 | British | - |
| Sally Elizabeth Lewis | Secretary | 23 Apr 1992 | 27 Oct 1997 | British | - |
| Stephen Robert Moore | Director | 23 Apr 1992 | 11 Jan 1993 | British | 78 years |