| Alan Charles Brown | Director | 1 Jul 1989 | 1 Jul 2007 | British | 80 years |
| Alexander Alister Macdonald | Director | 1 Jan 2003 | 24 Sept 2003 | British | 68 years |
| Archibald Arbuckle Easton | Director | 1 Jan 2003 | 7 Apr 2003 | British | 80 years |
| Cameron James Kenneth Crawford | Director | 1 Jan 2003 | 14 Nov 2003 | British | 66 years |
| Colin Mcdonald Webster | Director | 1 Jan 2003 | 28 Mar 2003 | British | 71 years |
| Craig Hart | Director | 1 Jan 2003 | 19 Sept 2003 | British | 76 years |
| Ian Joicey Ford | Director | 4 May 2004 | 1 Oct 2007 | British | 69 years |
| Ian Lindsay | Director | 1 Apr 1996 | 1 Jul 2000 | British | 67 years |
| Jane Victoria Atkinson | Director | 31 Jan 2018 | 13 Jun 2019 | British | 55 years |
| John Alan Murphy | Director | 14 Jun 1989 | 31 Dec 2001 | British | 85 years |
| John Grover | Director | 6 Dec 2016 | 31 Jan 2018 | British | 59 years |
| John Lumsden | Director | 14 Jun 1989 | 31 Dec 2002 | British | 86 years |
| Joseph Mcshane | Director | 1 Jan 2003 | 31 Mar 2004 | British | 71 years |
| Mark Jason Scott | Director | 7 Mar 2016 | 10 Nov 2018 | British | 55 years |
| Michael Corbishley | Director | 25 Oct 2004 | 16 Mar 2009 | British | 64 years |
| Michael Hugh Hayes | Director | 21 Oct 2003 | 10 Mar 2014 | British | 75 years |
| Owen Polland | Director | 21 Oct 2003 | 1 May 2008 | British | 76 years |
| Owen Polland | Secretary | 21 Oct 2003 | 1 Jul 2004 | British | - |
| Padraig Somers | Director | 27 Jun 2019 | 13 Jun 2023 | Irish | 49 years |
| Richard Allan | Secretary | 10 Mar 2014 | 29 Jan 2016 | British | - |
| Richard Friend Allan | Director | 10 Mar 2014 | 29 Jan 2016 | British | 62 years |
| Robert Brook Thomson | Director | 1 Jan 2003 | 28 Sept 2003 | British | 83 years |
| Robert Herd Hamilton | Director | 1 Jul 1989 | 18 May 2005 | British | 71 years |
| Robert Herd Hamilton | Director | 1 May 2008 | 31 May 2011 | British | 71 years |
| Robert Herd Hamilton | Director | 3 Jul 2014 | 12 Mar 2016 | British | 71 years |
| Robert Herd Hamilton | Secretary | 14 Jun 1989 | 21 Oct 2003 | British | - |
| Robert Herd Hamilton | Secretary | 1 Jul 2004 | 10 Mar 2014 | British | - |
| Robert Pate | Director | 1 Jan 2003 | 17 Sept 2003 | British | 77 years |
| Robert Smith Graham | Director | 14 Jun 1989 | 31 Mar 1995 | British | 82 years |
| Russell Ward | Director | 15 Oct 2007 | 6 Dec 2016 | English | 65 years |
| Simon Angus Hicks | Director | 31 Jan 2018 | 27 Jun 2019 | British | 58 years |
| Stewart Mcgregor Paterson | Director | 14 Jun 1989 | 4 Apr 1996 | British | 94 years |
| Sydney Robert Fudge | Director | 1 Sept 2008 | 7 Feb 2013 | British | 83 years |
| Victoria Anne George | Director | 10 Mar 2014 | 31 Dec 2015 | British | 49 years |
| William Lindsay Prosser | Director | 6 Oct 1995 | 28 Mar 2003 | British | 83 years |
| William Mungall Reid | Director | 24 Jan 2007 | 1 Jul 2007 | British | 82 years |