| Alan Robert Robertson | Director | 7 Oct 2002 | 14 May 2005 | British | 64 years |
| Allan Bowie | Director | 8 May 2007 | 22 Feb 2008 | British | 62 years |
| Andrew Mitchell Pearson | Director | 12 Oct 2007 | 12 Jun 2009 | British | 61 years |
| Anthony John Smith | Director | 5 Dec 1994 | 27 Mar 2004 | British | 79 years |
| Colin Macdonald Deuchars | Director | 18 Jun 2019 | 30 Jun 2022 | British | 66 years |
| Craig John Anderson | Secretary | 6 Nov 2004 | 7 May 2010 | British | - |
| David James Jackson | Director | 7 Oct 2002 | 16 Jun 2004 | British | 79 years |
| David John Watson | Director | 14 Feb 1996 | 31 Jul 1997 | British | 72 years |
| David John Watson | Secretary | 14 Feb 1996 | 19 Jun 1996 | British | - |
| Franco Martinelli | Director | 11 May 2005 | 31 Aug 2016 | British | 66 years |
| Gerard Moy | Director | 26 Apr 2006 | 15 May 2019 | British | 68 years |
| Gillian Elizabeth Hastings | Director | 15 Feb 2005 | 14 Dec 2006 | British | 62 years |
| Iain Murdock Fell | Director | 30 Nov 1998 | 2 Mar 2001 | British | 69 years |
| Iain Stuart Urquhart | Director | 17 Dec 2014 | 31 May 2022 | British | 61 years |
| James Duffy | Director | 26 Apr 2006 | 19 Sept 2009 | British | 60 years |
| James Richard Parker | Director | 30 Sept 2020 | 9 Jan 2023 | British | 49 years |
| Janette Anderson | Director | 1 Jun 2003 | 31 Dec 2007 | British | 62 years |
| Jim Scott Cornell | Director | 5 Dec 1994 | 14 Feb 1996 | British | 87 years |
| John Alexander Cowie | Director | 14 Feb 1996 | 4 Jun 2004 | British | 67 years |
| John Peter O`kane | Director | 7 Oct 2002 | 31 Jul 2004 | Irish | 68 years |
| John Richard Davies | Director | 15 May 2019 | 15 May 2019 | British | 63 years |
| John Wallace Howie | Director | 15 Jun 2009 | 29 Nov 2010 | British | 59 years |
| Kenneth Malcolm Douglas | Director | 15 Jun 2009 | 1 Nov 2011 | British | 56 years |
| Lindsay Holmes Brown | Director | 1 Nov 2011 | 1 Aug 2018 | British | 63 years |
| Matthew Hayward | Director | 3 Aug 2020 | 24 May 2024 | British | 60 years |
| Nicholas James William Borrett | Secretary | 27 Jul 2012 | 25 Feb 2013 | - | - |
| Peter Graham Hewett | Director | 14 Feb 1996 | 14 Feb 1996 | British | 78 years |
| Peter Graham Hewett | Secretary | 5 Dec 1994 | 14 Feb 1996 | British | - |
| Peter Lloyd Rogers | Director | 16 Jun 2004 | 31 Aug 2016 | British | 79 years |
| Peter Ramsay | Director | 14 Feb 1996 | 7 Oct 2002 | British | 62 years |
| Pieter Esbach | Director | 27 Jul 2015 | 15 May 2019 | British | 64 years |
| Primrose Jean Davidson Stark | Director | 14 Feb 1996 | 4 Jun 2004 | British | 66 years |
| Richard Charles Alan Nicholls | Director | 19 Jan 1996 | 14 Feb 1996 | British | 77 years |
| Richard Hewitt Taylor | Director | 15 May 2019 | 15 May 2019 | British | 65 years |
| Robert Forbes | Director | 21 Feb 2005 | 7 Jun 2005 | British | 61 years |
| Robert Forbes | Director | 1 Aug 2005 | 15 May 2019 | British | 61 years |
| Robert Forbes | Director | 15 May 2019 | 17 Sept 2020 | British | 61 years |
| Robert Frank Whiley | Director | 29 Nov 2010 | 27 Jul 2015 | British | 71 years |
| Roger Charles Mills | Director | 22 Sept 1997 | 21 Feb 2005 | British | 76 years |
| Sally Fiona Brooks | Director | 1 Aug 2018 | 15 May 2019 | British | 60 years |
| Sally Fiona Brooks | Director | 15 May 2019 | 30 Sept 2020 | British | 60 years |
| Samuel Michael White | Director | 15 May 2019 | 3 Aug 2020 | British | 50 years |
| Shaun Doherty | Director | 31 May 2022 | 30 Sept 2024 | British | 58 years |
| Stanley Alan Royall Billiald | Secretary | 6 Oct 2004 | 1 Jul 2009 | Other | - |
| Stephen John Barber | Director | 14 Nov 1995 | 14 Feb 1996 | British | 70 years |
| Steven John Bell | Director | 1 Dec 2004 | 7 Jun 2005 | British | 60 years |
| Steven John Bell | Director | 1 Aug 2005 | 29 Jun 2006 | British | 60 years |
| Steven West | Director | 15 May 2019 | 18 Jun 2019 | British | 51 years |
| Susan Margaret Mcmillan | Secretary | 19 Jun 1996 | 11 Nov 2004 | British | - |
| Valerie Francine Anne Teller | Secretary | 1 Jul 2009 | 27 Jul 2012 | British | - |
| William Hamilton | Director | 24 Mar 1998 | 5 Jan 2005 | British | 84 years |
| William Robert Scott | Director | 14 Feb 1996 | 7 Oct 2002 | British | 74 years |
| William Tame | Director | 16 Jun 2004 | 17 Dec 2014 | British | 72 years |