| Alan Jerry Harden | Director | 1 Jan 2004 | 29 Aug 2008 | British | 67 years |
| Alan John Trotter | Director | 1 Feb 2010 | 30 Sept 2015 | British | 57 years |
| Alan Michael Walker Young | Director | 21 Sept 1995 | 9 Sept 2006 | British | 79 years |
| Alan Shanks | Director | 28 Aug 1992 | 31 Aug 1993 | British | 76 years |
| Alisdair John Dobie | Secretary | 7 Mar 1997 | 14 Aug 1998 | British | - |
| Alison Gail Bragg | Director | 28 Jun 2019 | 2 Mar 2021 | British | 64 years |
| Andrew Francis Thomson | Director | 2 Dec 1998 | 27 Apr 2001 | British | 83 years |
| Barry Michael Bicknell | Director | 30 Nov 2019 | 31 Mar 2023 | British | 57 years |
| Bruce William Mclaren Johnston | Director | 2 Dec 1998 | 30 Apr 2004 | British | 86 years |
| Christopher Masters | Director | 15 Nov 2002 | 30 Nov 2006 | British | 78 years |
| Clare Leslie Salmon | Director | 19 Aug 2005 | 30 Nov 2006 | British | 62 years |
| Claudia Philips | Director | 30 Jul 2007 | 1 May 2008 | British | 63 years |
| Craig John Wood | Director | 10 Jan 2018 | 30 Nov 2019 | British | 55 years |
| David Alun Deards | Director | 1 Jan 2003 | 30 Apr 2009 | British | 65 years |
| David Henry Cook | Director | 15 Aug 1996 | 29 Nov 1996 | British | 79 years |
| Donald James Mcpherson | Secretary | 10 Jul 2006 | 26 Feb 2016 | British | - |
| Edward Thomas Albert Troughton | Director | 5 Oct 2012 | 7 Nov 2013 | British | 66 years |
| Gavin Robert Suggett | Director | N/A | 31 Dec 2003 | British | 81 years |
| Gillian Sanday Cattanach | Director | 10 Mar 2005 | 31 Jan 2008 | British | 62 years |
| Gregor Ninian Stewart | Director | 20 Jan 2016 | 28 Jun 2019 | British | 61 years |
| Henry Rowland Strickland | Director | 23 Dec 2004 | 22 Jan 2009 | British | 71 years |
| Hyman Wolanski | Director | 25 Jul 2006 | 31 Jan 2008 | British | 77 years |
| Iain Paton Smith | Director | 1 Jan 1992 | 18 Jul 1996 | British | 71 years |
| Ian Anderson | Secretary | 26 Feb 2016 | 27 Apr 2018 | - | - |
| Ian Lester Goddard | Secretary | 29 Nov 2000 | 31 May 2006 | British | - |
| James Jeffrey Kinloch | Director | 1 Feb 2010 | 30 Jun 2012 | British | 63 years |
| Janet Edna Pope | Director | 5 Jan 2007 | 5 Mar 2008 | British | 65 years |
| Jennifer Anne Mhairi Mellor | Secretary | 19 Apr 2018 | 28 Feb 2019 | - | - |
| John Duncan Baines | Director | 28 Jun 2019 | 2 Mar 2021 | British | 63 years |
| John Francis Hylands | Director | 17 Apr 2008 | 17 Sept 2012 | British | 74 years |
| John Hylands | Director | 20 Jan 2016 | 3 May 2016 | British | 74 years |
| Jonathan Trevor Anderson | Director | 20 Jan 2016 | 19 Apr 2021 | British | 70 years |
| Karin Birgitta Forseke | Director | 1 Mar 2012 | 17 Sept 2012 | American/swedish | 70 years |
| Katherine Lucy Garrett-cox | Director | 22 Oct 2008 | 20 Jan 2016 | British | 58 years |
| Kelly Lynne O'donnell | Director | 22 Feb 2008 | 29 Jun 2009 | British | 57 years |
| Kevin Philip Dann | Director | 18 Jul 1996 | 14 Sept 2007 | British | 63 years |
| Lesley Mary Samuel Knox | Director | 17 Aug 2001 | 2 Apr 2012 | British | 72 years |
| Lyndon Bolton | Director | 31 Mar 1989 | 30 Apr 1995 | British | 88 years |
| Lynne Margaret Dalgarno | Director | 31 Jan 2014 | 24 Jun 2015 | British | 58 years |
| Marilyn Elizabeth Stewart Rowan | Director | 1 Jan 1992 | 8 Dec 1997 | British | 79 years |
| Morag Ann Strachan | Secretary | 25 Apr 1996 | 24 Oct 1996 | British | - |
| Patrick John Mill | Director | 31 Jan 2014 | 30 Nov 2017 | British | 58 years |
| Peter Gordon John Docherty | Director | 10 Jan 2018 | 30 Nov 2019 | British | 44 years |
| Ramsay Alexander Urquhart | Director | 31 Jan 2014 | 20 Jan 2016 | British | 60 years |
| Robert Courtney Smith | Director | 31 Mar 1989 | 1 Jan 1992 | British | 98 years |
| Robert Michael Burgess | Director | 13 Mar 2009 | 9 Feb 2012 | British | 60 years |
| Robin Neil Thomson | Director | 31 Mar 1989 | 11 Jun 1991 | British | 66 years |
| Ronald Baxter | Director | 20 Nov 2017 | 28 Jun 2019 | British | 74 years |
| Ronald Hadden | Director | 31 Mar 1989 | 1 Jan 1992 | British | 76 years |
| Sheila Monica Ruckley | Director | 29 May 1997 | 31 Jul 2006 | British | 76 years |
| Sheila Monica Ruckley | Secretary | 14 Aug 1998 | 29 Nov 2000 | British | - |
| Sheila Monica Ruckley | Secretary | 31 Mar 1989 | 25 Apr 1996 | British | - |
| Sheila Monica Ruckley | Secretary | 24 Oct 1996 | 7 Mar 1997 | British | - |
| Timothy Tookey | Director | 19 May 2016 | 30 Apr 2017 | British | 63 years |
| William Berry | Director | 2 Dec 1998 | 29 Apr 2005 | British | 86 years |
| William Gordon Mcqueen | Director | 6 Jul 2004 | 31 Mar 2008 | British | 79 years |
| William Grant Lindsay | Director | 31 Mar 1989 | 1 Jan 1992 | British | 76 years |
| William Henderson Jack | Director | 16 Feb 2001 | 30 Nov 2006 | British | 81 years |
| William Nelson Robertson | Director | 2 Dec 1998 | 26 Apr 2002 | British | 92 years |