| Alan Clive Lamb | Director | 30 Apr 1993 | 30 Jun 1994 | British | 80 years |
| Alexander Wilson Clark | Director | 15 Jun 1990 | 30 Apr 1993 | British | 90 years |
| Donald William Borland | Director | 20 Aug 2007 | 8 Jul 2015 | British | 59 years |
| Euan James Donaldson | Secretary | 1 Dec 1994 | 21 Jan 2002 | British | - |
| Euan James Edward Haggerty | Director | 1 Jul 2011 | 30 Jun 2017 | British | 48 years |
| Gordon Kenneth Lawson | Secretary | 15 Jun 1990 | 30 Jun 1994 | British | - |
| Henry Max Ike | Director | 30 Nov 1999 | 10 Jan 2001 | Dutch | 74 years |
| Iain Lachlan Mackinnon | Secretary | 21 Jan 2002 | 30 Aug 2002 | British | - |
| Ian Ogilvie | Director | 15 Nov 1996 | 31 Oct 1999 | British | 63 years |
| John Clifford Barratt Shaw | Director | 30 Jun 1994 | 29 Sept 1995 | British | 82 years |
| John Steel Richards | Director | 14 Nov 1994 | 15 Nov 1996 | British | 68 years |
| John Steel Richards | Director | 10 Feb 2012 | 18 Nov 2013 | British | 68 years |
| Julie Mansfield Jackson | Director | 14 Nov 2006 | 18 Sept 2009 | British | 60 years |
| Keith Manson Miller | Director | 29 Sept 1995 | 15 Nov 1996 | British | 76 years |
| Kirsty Fraser Macgregor | Secretary | 18 Mar 2015 | 31 May 2017 | - | - |
| Marlene Wood | Director | 9 Nov 2005 | 29 May 2009 | British | 63 years |
| Michael George Ballard | Director | 15 Jun 1990 | 31 Jul 1992 | British | 91 years |
| Neil William Johnston | Director | 14 Nov 2006 | 18 Dec 2015 | British | 68 years |
| Neil William Johnston | Director | 22 Apr 1998 | 21 Dec 2000 | British | 68 years |
| Pamela June Smyth | Director | 24 Feb 2009 | 16 May 2012 | British | 61 years |
| Pamela June Smyth | Secretary | 30 Aug 2002 | 16 May 2012 | British | - |
| Philip Hartley Miller | Director | 22 Apr 1998 | 31 May 2015 | British | 69 years |
| Richard David Hodsden | Director | 21 Nov 2013 | 4 Dec 2014 | British | 59 years |
| Robert Anthony Clarke | Director | 15 Nov 1996 | 30 Nov 1999 | British | 82 years |
| Robert Mitchell Ogilvie Mcculloch | Director | 15 Nov 1996 | 1 Oct 1997 | British | 86 years |
| Roderick Peet | Director | 30 Nov 1999 | 30 Nov 2000 | British | 68 years |
| Sheelagh Jane Duffield | Secretary | 16 May 2012 | 18 Mar 2015 | British | - |
| Toby Jonathan Bradbury | Director | 1 Oct 1997 | 1 Jan 2000 | British | 66 years |