| Alasdair Dewar Macdonald | Director | 14 Jan 1991 | 11 Jan 1993 | British | 90 years |
| Alex Harrison | Director | 22 May 2007 | 15 Jul 2009 | British | 60 years |
| Alistair Ian Macrae | Secretary | 14 Jan 1991 | 8 Jan 1993 | British | - |
| Andrew Mark Parsons | Director | 2 Apr 2015 | 16 Jun 2015 | British | 61 years |
| Andrew Robert Betchley | Director | 8 May 2001 | 12 Oct 2001 | British | 74 years |
| Christina Ann Hankin | Secretary | 10 Sept 2018 | 31 Dec 2019 | - | - |
| Christopher Allardice Shearer | Director | 27 Mar 2000 | 31 Mar 2002 | British | 70 years |
| Colin Mcgregor Robertson | Director | 14 Jan 1991 | 16 Aug 1993 | British | 86 years |
| David Clarke | Secretary | 11 Jun 2018 | 10 Sept 2018 | - | - |
| David James Sparling | Director | 4 Sept 2000 | 8 May 2001 | British | 79 years |
| David Stephen Vallery | Director | 12 Jun 2003 | 16 May 2005 | British | 58 years |
| Emma Jayne Watkins | Director | 5 Feb 2024 | 27 Nov 2024 | British | 53 years |
| Gordon Matthew Clark | Director | 10 Apr 2000 | 29 Jun 2001 | British | 80 years |
| Gordon Shaw Smith | Director | 3 Apr 2000 | 14 Dec 2000 | British | 78 years |
| Graeme John Donaldson | Secretary | 11 Aug 2016 | 11 Jun 2018 | - | - |
| Graham Alistair Horn | Director | 12 Jun 2003 | 21 May 2007 | British | 67 years |
| Helen Mary Lakin | Secretary | 1 Sept 2000 | 7 Nov 2001 | British | - |
| Helena Mary Mackay | Director | 29 Mar 2000 | 31 Mar 2002 | British | 83 years |
| Hugh Kenneth Young | Director | 14 Jan 1991 | 15 Mar 1996 | British | 90 years |
| Iain William St Clair Scott | Director | 14 Mar 1996 | 2 May 2000 | British | 80 years |
| James Masson Black | Director | 20 Mar 2014 | 21 Sept 2016 | British | 62 years |
| Joanne Dawson | Director | 27 Jun 2003 | 16 Feb 2004 | British | 64 years |
| John David Currie | Director | 14 Jan 1991 | 2 May 2000 | British | 80 years |
| John Michael Butler | Secretary | 1 Mar 2003 | 16 Oct 2009 | British | - |
| John Stewart Hunter | Secretary | 4 Sept 1995 | 15 Feb 1996 | British | - |
| John Warbuton | Director | 15 Jul 2009 | 24 Jun 2010 | British | 67 years |
| John William Donald | Director | 16 Aug 1993 | 2 May 2000 | British | 82 years |
| Karen Joanne Mckay | Secretary | 16 Oct 2009 | 11 Aug 2016 | British | - |
| Karen Margaret Bothwell | Secretary | 8 Jan 1993 | 4 Sept 1995 | British | - |
| Keith William Abercromby | Director | 27 Mar 2002 | 12 Jun 2003 | British | 62 years |
| Lysanne Jane Warren Black | Secretary | 15 Feb 1996 | 1 Sept 2000 | British | - |
| Mario Emanuele Mazzocchi | Director | 9 Dec 2015 | 20 Jul 2018 | Italian | 53 years |
| Mark Wilson | Director | 10 Nov 2022 | 30 Nov 2023 | British | 56 years |
| Martin Kenneth Staples | Director | 30 Apr 2024 | 27 Nov 2024 | British | 53 years |
| Matt Lendon | Director | 31 Dec 2022 | 30 Apr 2024 | British | 45 years |
| Neil Lindsay Nicholson Machray | Director | 24 Jun 2010 | 31 Mar 2013 | British | 57 years |
| Nicholas Goodwin Frankland | Director | 17 Jul 2009 | 23 Jun 2010 | British | 55 years |
| Philip Robert Grant | Director | 21 Sept 2016 | 10 Nov 2022 | British | 60 years |
| Raymond John Hildreth Milne | Director | 17 May 2000 | 15 Jul 2009 | British | 67 years |
| Richard Andrew Jones | Director | 18 Jun 2012 | 7 Dec 2015 | British | 54 years |
| Richard George Myers | Director | 27 Mar 2002 | 12 Jun 2003 | British | 69 years |
| Robert Keith Moorhouse | Secretary | 7 Nov 2001 | 1 Mar 2003 | British | - |
| Robert Sincalir Harley | Director | 14 Mar 1996 | 15 Sept 1996 | British | 75 years |
| Robert Watt Macnab | Director | 14 Jan 1991 | 14 Mar 1996 | British | 85 years |
| Robert William Fletcher | Director | 23 Jun 2010 | 16 Apr 2014 | British | 62 years |
| Ronald Frank Cameron Taylor | Director | 16 Apr 2014 | 31 Dec 2017 | British | 60 years |
| Sean William Lowther | Director | 10 Apr 2017 | 31 Dec 2022 | British | 66 years |
| Simon David Massey | Director | 11 Jul 2013 | 20 Mar 2014 | British | 62 years |
| Stewart Mccallum | Director | 4 Oct 1996 | 8 Apr 1998 | British | 80 years |
| Susan Ilene Rice | Director | 27 Mar 2000 | 20 Jul 2000 | Other | 80 years |
| Thomas Borthwick | Director | 11 Jan 1993 | 27 Feb 1998 | British | 80 years |