| Alexander Joseph Roberts | Secretary | 1 Feb 1993 | 31 Mar 2006 | British | - |
| Andrew Tweedie | Secretary | 2 Jul 2010 | 30 Jun 2011 | - | - |
| Catherine Mary Bland | Director | 23 Aug 2010 | 29 Nov 2013 | British | 57 years |
| Colin Griffiths | Director | 31 Oct 2003 | 28 Mar 2006 | British | 75 years |
| Craig Ashall | Secretary | 1 Jul 2011 | 12 Mar 2012 | British | - |
| David Alistair Turnbull | Secretary | 12 Mar 2012 | 30 May 2014 | - | - |
| David Dennis Mcintosh | Director | 31 Mar 2006 | 30 Jun 2014 | British | 63 years |
| Ellis Alan Nicholas Watson | Director | 31 Mar 2006 | 22 Jul 2009 | British | 59 years |
| Forsyth Rutherford Black | Director | 2 Jun 2014 | 5 Aug 2016 | British | 57 years |
| George Colin Ashton Taylor | Secretary | 11 Dec 1991 | 1 Feb 1993 | British | - |
| George Kirkwood | Director | 22 Jul 2009 | 2 Jul 2010 | British | 69 years |
| George Kirkwood | Secretary | 31 Mar 2006 | 2 Jul 2010 | British | - |
| John Francis Alexander Geddes | Secretary | 30 May 2014 | 4 Sept 2018 | - | - |
| Mark Stephen Cassie | Director | 5 Aug 2016 | 4 Sept 2018 | British | 62 years |
| Mark Woodcock | Director | 11 Dec 1991 | 31 Mar 2006 | British | 77 years |
| Martin Woodcock | Director | 11 Dec 1991 | 31 Mar 2006 | British | 74 years |
| Roland Glyn Parker | Director | 31 Oct 2003 | 30 Nov 2005 | British | 86 years |
| Thomas Boyle | Director | 31 Mar 2006 | 31 Jul 2009 | Irish | 72 years |