| Adrian Mark Eastwood | Director | 1 Oct 1996 | 30 Sept 2010 | British | 64 years |
| Alan David Yuille | Secretary | 16 Jan 2012 | 15 Nov 2018 | - | - |
| Alexander Moncrieff Mitchell Stephen | Director | 17 Apr 1990 | 12 May 1992 | British | 98 years |
| Alexander Roberton Porte | Director | 4 Sept 1998 | 14 Aug 2002 | British | 76 years |
| Alexandra Francis Fletcher | Secretary | 21 Aug 2000 | 7 Jun 2002 | British | - |
| Alison Janet Talbot | Secretary | 23 Feb 1998 | 8 May 1998 | British | - |
| Alison Janet Talbot | Secretary | 7 Jun 2002 | 26 Aug 2002 | British | - |
| Alistair James Low | Director | 17 Apr 1990 | 1 Oct 1996 | British | 83 years |
| Allan Macleod Mckenzie | Director | 1 Oct 1996 | 4 Sept 1998 | British | 78 years |
| Andrew Charles Frepp | Director | 22 Jan 2004 | 31 May 2007 | British | 62 years |
| Andrew John November | Director | 19 Jul 2007 | 31 Mar 2014 | British | 62 years |
| Andrew Mark Parsons | Director | 9 Nov 2012 | 9 Dec 2016 | British | 60 years |
| Christian Roy Torkington | Director | 18 Apr 2007 | 26 Jun 2009 | British | 63 years |
| Christopher Martin Phillips | Director | 22 Jan 2004 | 30 Mar 2007 | British | 69 years |
| Colin Hyndmarsh Black | Director | 17 Apr 1990 | 2 May 1995 | British | 95 years |
| David Antony John Stoddard | Director | 5 Nov 2010 | 31 Mar 2012 | British | 52 years |
| David Cowan Ritchie | Director | 7 Jul 1992 | 31 Jan 1998 | British | 81 years |
| David James Walkden | Director | 31 Mar 2013 | 25 Mar 2015 | British | 67 years |
| David Scott Graham | Director | 1 Oct 1996 | 4 Sept 1998 | British | 78 years |
| Dean Robert Buckley | Director | 7 Jan 2008 | 31 Mar 2014 | British | 65 years |
| Farhat Shah | Secretary | 18 Oct 2004 | 29 Jun 2005 | British | - |
| Gavin John Norman Gemmell | Director | 2 May 1995 | 1 Oct 1996 | British | 84 years |
| George Ronald Gibson Graham | Director | 9 Jun 1992 | 1 Oct 1996 | British | 86 years |
| Graeme Davies Dalziel | Director | 1 Oct 1996 | 24 Jul 1998 | British | 69 years |
| Gregor Ninian Stewart | Director | 13 Jan 2012 | 5 Oct 2012 | British | 61 years |
| Hugh William Raymond | Secretary | 17 Apr 1990 | 31 Jan 1995 | British | - |
| James Christopher Steuart Hillman | Director | 29 Jun 2015 | 31 Aug 2023 | British | 56 years |
| James Edward Boyd | Director | 17 Apr 1990 | 4 May 1993 | British | 97 years |
| James Masson Black | Director | 23 Mar 2015 | 29 Jul 2016 | British | 61 years |
| James Mcconville | Director | 31 Jul 2002 | 22 Jan 2004 | British | 69 years |
| James Mcconville | Director | 15 Jul 2009 | 31 Mar 2010 | British | 69 years |
| Jennifer Helen Mcfarlane | Secretary | 8 May 1998 | 4 Sept 1998 | British | - |
| John Elder | Director | 17 Apr 1990 | 31 Mar 1991 | British | 89 years |
| Kerr Luscombe | Director | 6 Apr 2010 | 25 May 2011 | British | 60 years |
| Lawrence Mcallister Urquhart | Director | 4 May 1993 | 1 Oct 1996 | British | 90 years |
| Michael David Ross | Director | 1 Apr 1991 | 1 Oct 1996 | British | 79 years |
| Nigel Howard Passmore | Secretary | 4 Sept 1998 | 21 Aug 2000 | British | - |
| Orie Leslie Dudley Jnr | Director | 31 Jan 1998 | 4 Sept 1998 | American | 81 years |
| Richard Andrew Jones | Director | 1 Apr 2014 | 29 Jun 2015 | British | 53 years |
| Richard John Mcintyre | Director | 9 Dec 2016 | 31 Aug 2023 | British | 59 years |
| Robert Cochrane Buist | Director | 17 Apr 1990 | 5 Apr 1994 | British | 99 years |
| Ronald Frank Cameron Taylor | Director | 2 Mar 2015 | 9 Dec 2016 | British | 59 years |
| Sean William Lowther | Director | 9 Dec 2016 | 31 Dec 2022 | British | 65 years |
| Simon David Massey | Director | 10 Dec 2012 | 1 Apr 2014 | British | 61 years |
| Simon Peter Skinner | Director | 31 Jul 2002 | 29 Aug 2003 | British | 67 years |
| Stephen James Mcgee | Director | 29 Feb 2012 | 9 Dec 2014 | British | 52 years |
| Thomas Black Houston | Secretary | 1 Jun 1995 | 23 Feb 1998 | British | - |
| Tracey Caroline Nicholls | Secretary | 26 Aug 2002 | 16 Jan 2012 | British | - |
| Trevor James Couper | Director | 1 Oct 1996 | 4 Sept 1998 | British | 68 years |
| William Hill Main | Director | 31 Jan 1998 | 1 Aug 2002 | Scottish | 82 years |
| William Leslie Robb | Director | 1 Oct 1996 | 4 Sept 1998 | British | 70 years |