| Adam Holden | Director | 31 Jan 2014 | 1 Jul 2016 | British | 52 years |
| Alan Peter Dickinson | Director | 30 Oct 1996 | 29 Oct 1999 | British | 75 years |
| Alec Peerless Mcleod Bradley | Director | 1 Feb 1993 | 28 Apr 2000 | British | 84 years |
| Alexander Arthur George Rankin | Director | 13 Aug 1997 | 7 Sept 2016 | British | 67 years |
| Andrew David Barnard | Director | 6 Apr 2009 | 19 Apr 2010 | British | 54 years |
| Angela Mary Cunningham | Secretary | 21 Apr 2004 | 26 Jul 2007 | British | - |
| Camilla Jane Hughes-hunt | Director | 24 Sept 1999 | 23 Aug 2000 | British | 66 years |
| Colin Jamie Fleming Walls | Director | 24 Jan 2005 | 15 Nov 2007 | British | 58 years |
| David Brian Wilcox | Director | 1 Nov 2000 | 17 Mar 2006 | British | 79 years |
| David Robertson Shepherd Rankin | Director | 20 Sept 1996 | 1 Aug 1997 | British | 61 years |
| Duane Edward Snelling | Director | 30 Jul 2007 | 17 Dec 2008 | British | 62 years |
| Francesca Margaret Semple | Director | 26 Jan 2006 | 1 Mar 2007 | British | 55 years |
| Iain Arthur Houston | Director | 29 Oct 1999 | 28 Apr 2000 | British | 76 years |
| Ian Duncan Cowie | Director | 31 Mar 2015 | 31 Oct 2016 | British | 65 years |
| Ian Maclaren Sutherland | Director | 1 Feb 1993 | 1 Oct 1993 | British | 86 years |
| Ian Wright | Director | 19 Apr 2010 | 26 Jan 2011 | British | 60 years |
| James Michael Kelly | Director | 1 Oct 1993 | 15 Jul 1997 | British | 69 years |
| Jason Asa Morgan | Director | 1 Sept 2005 | 1 Mar 2007 | British | 56 years |
| John Albert Lea | Secretary | 1 Feb 1993 | 20 Apr 2004 | British | - |
| John Anthony Smith | Director | 26 Mar 1999 | 18 Jan 2001 | British | 74 years |
| John Butterworth | Director | 1 Feb 1993 | 30 Jun 1996 | British | 90 years |
| John Hamer Wood | Director | 31 Dec 2008 | 15 Aug 2013 | British | 63 years |
| John Hamer Wood | Director | 23 Aug 2016 | 30 Jun 2017 | British | 63 years |
| John Knox | Director | 1 Feb 1993 | 14 Oct 1993 | British | 82 years |
| John Thornton | Director | 28 Apr 2000 | 18 Jan 2001 | British | 68 years |
| Kathryn Elizabeth Singleton | Director | 16 Sept 2002 | 1 Jul 2003 | British | 53 years |
| Lawrence Edward De Lisle Nichols | Director | 24 Jan 2005 | 22 Sept 2005 | British | 68 years |
| Martin John Morrin | Director | 1 Feb 1994 | 12 Jul 2000 | Irish | 67 years |
| Martin John Morrin | Director | 29 Jan 2009 | 31 Mar 2015 | Irish | 67 years |
| Martin John Morrin | Secretary | 15 Oct 1993 | 1 Feb 1994 | Irish | - |
| Melanie Jane Hannay | Director | 1 Mar 2007 | 6 Apr 2009 | British | 58 years |
| Michael Jeffrey Bardrick | Director | 25 Oct 2011 | 30 Jun 2014 | British | 58 years |
| Michael Kevin Mitchell | Director | 19 Apr 2010 | 29 Nov 2010 | British | 61 years |
| Neil Anthony Sculley | Director | 2 Jan 2007 | 30 Jul 2007 | British | 64 years |
| Neil Dennis Beckingham | Director | 1 Feb 1993 | 1 Dec 2000 | British | 66 years |
| Neil Joseph Bradley | Director | 13 Apr 2004 | 29 Dec 2006 | British | 59 years |
| Oliver David Watts | Director | 19 Apr 2010 | 31 Jan 2014 | British | 50 years |
| Peter Edmund Lord | Director | 1 Jul 2016 | 11 Oct 2018 | British | 67 years |
| Peter Nigel Comfort | Director | 18 Jan 2001 | 24 Jan 2005 | British | 70 years |
| Peter Richard Allen | Director | 26 Nov 1999 | 18 Jan 2001 | British | 82 years |
| Peter Torrance | Director | 18 Jan 2001 | 24 Jan 2005 | British | 70 years |
| Rachel Elizabeth Fletcher | Secretary | 27 Jul 2007 | 27 Apr 2012 | British | - |
| Ross William Mcfarlane | Director | 13 Aug 1997 | 18 Apr 2012 | British | 64 years |
| Stuart Antony Holloway | Director | 12 Jul 2000 | 11 Jun 2004 | British | 68 years |
| Susan Myra Jones | Director | 18 Jan 2001 | 29 Jun 2001 | British | 69 years |
| Suzanne Saville | Director | 1 Mar 2007 | 19 Mar 2009 | British | 61 years |