| Andrew Stewart Carter | Director | 1 Oct 2002 | 28 Jun 2021 | British | 66 years |
| Bernadette Clare Barber | Secretary | 1 Oct 2002 | 3 Jun 2005 | British | - |
| Brian George Hill | Director | 21 Mar 1989 | 31 Mar 1989 | British | 96 years |
| Brian George Hill | Director | 20 Mar 1990 | 20 Apr 1999 | British | 96 years |
| Brian James Duffin | Director | 17 Sept 1996 | 1 Oct 2002 | British | 71 years |
| Christopher Martin Phillips | Director | 29 Apr 2002 | 19 Sept 2003 | British | 70 years |
| David Birrell | Director | 21 Mar 1989 | 18 Apr 1995 | British | 102 years |
| David Callum Hughson | Director | 1 Oct 2002 | 15 Dec 2003 | British | 67 years |
| David Craig Dunn | Secretary | 21 Mar 1989 | 1 Jul 2001 | British | - |
| David James Wallace | Director | 1 Jul 1999 | 1 Jul 2001 | British | 81 years |
| David John Bird | Director | 15 Dec 2003 | 2 Aug 2019 | British | 67 years |
| George Malcolm Murray | Director | 21 Mar 1989 | 31 Dec 1998 | British | 89 years |
| George Malcolm Roger Graham | Director | 1 Sept 1999 | 1 Jul 2001 | British | 87 years |
| James Andrew Eddison | Director | 21 Mar 1989 | 23 Apr 1991 | British | 105 years |
| James David Frederick Miller | Director | 1 Jan 1995 | 1 Jul 2001 | British | 91 years |
| James Gilchrist | Director | 18 Oct 1994 | 1 Oct 2002 | British | 84 years |
| James Martin Haldane | Director | 1 May 1990 | 1 Jul 2001 | British | 85 years |
| James Robert Glen | Director | 21 Mar 1989 | 20 Apr 1999 | British | 96 years |
| Janet Patricia Morgan | Director | 1 Nov 1995 | 1 Jul 2001 | British | 81 years |
| Jonathan Barker Platt | Director | 22 Sept 2003 | 15 Dec 2003 | British | 64 years |
| Kenny Fenna | Director | 2 May 2019 | 3 Dec 2020 | British | 62 years |
| Kerr Luscombe | Director | 13 Feb 2013 | 13 Feb 2013 | British | 61 years |
| Kerr Luscombe | Director | 15 Apr 2013 | 14 May 2014 | British | 61 years |
| Lesley Mitchell | Director | 6 Jul 2021 | 14 Oct 2022 | British | 51 years |
| Martin Pierce Lewis | Director | 2 May 2019 | 31 Dec 2022 | British | 63 years |
| Michael John Yardley | Director | 1 Oct 2002 | 15 Dec 2003 | British | 70 years |
| Murray John Ross | Secretary | 6 Jul 2001 | 1 Oct 2002 | British | - |
| Patrick Antony Francis Gifford | Director | 21 Mar 1989 | 25 Apr 1989 | British | 81 years |
| Patrick Antony Francis Gifford | Director | 20 Mar 1990 | 1 Jul 2001 | British | 81 years |
| Paul Frederick Thomas Langton | Director | 15 Dec 2003 | 31 Oct 2007 | British | 61 years |
| Richard Ronald James Burns | Director | 1 Feb 1999 | 1 Jul 2001 | Scottish | 80 years |
| Richard Simon James | Director | 1 Oct 2002 | 15 Dec 2003 | British | 62 years |
| Ruaridh Mackenzie Budge | Director | 17 Sept 1996 | 1 Oct 2002 | British | 78 years |
| Stephen Shone | Director | 15 Dec 2003 | 13 Feb 2013 | British | 69 years |
| Stephen Shone | Director | 13 Feb 2013 | 15 Apr 2013 | British | 69 years |
| Thomas Lothian Johnston | Director | 21 Mar 1989 | 22 Apr 1997 | British | 99 years |
| Thomas Mackenzie Ross | Director | 1 Jul 1996 | 1 Jul 2001 | British | 82 years |
| Timothy Walter Harris | Director | 19 May 2014 | 2 May 2019 | British | 57 years |
| Victoria Anne Muir | Director | 17 Aug 2009 | 5 Jun 2014 | British | 55 years |
| William Berry | Director | 21 Mar 1989 | 1 Jul 2001 | British | 87 years |
| William Michael Clifford Kennedy | Director | 21 Mar 1989 | 1 Jul 2001 | British | 91 years |
| William Morrison Morrison | Director | 21 Mar 1989 | 23 Apr 1996 | British | 100 years |