| Alexander Stewart Mcintyre | Director | 12 Aug 2015 | 18 Dec 2020 | British | 70 years |
| Anna Marie Stewart | Director | 22 Mar 2010 | 24 Apr 2013 | British | 62 years |
| Anthony Aikenhead | Director | 6 Nov 1998 | 30 Apr 2000 | British | 73 years |
| Bernard Anthony Dempsey | Director | 25 Feb 2007 | 1 Sept 2011 | British | 77 years |
| Brian Antony Emerton | Director | 1 Jul 1999 | 1 Jul 2008 | British | 70 years |
| Brian George Cheshire | Director | 6 Nov 1998 | 30 Apr 2005 | British | 72 years |
| Brian John Payne | Director | 24 Sept 1998 | 26 Oct 1998 | British | 82 years |
| Brian Ward May | Director | 10 May 2000 | 1 Aug 2001 | British | 75 years |
| Callum Mitchell Tuckett | Director | 24 Apr 2013 | 27 May 2015 | British | 52 years |
| Clive William Price Mckenzie | Secretary | 23 Oct 2001 | 28 May 2010 | British | - |
| David Hetherington Blair | Director | 26 Oct 1998 | 6 Nov 1998 | British | 83 years |
| Dennis Arthur Johnson | Director | 23 Oct 2001 | 23 Jul 2007 | British | 78 years |
| Derek William Featherstone | Secretary | 26 Oct 1998 | 1 Nov 1999 | British | - |
| Elspeth Ann Glencorse Swain | Director | 1 Nov 1999 | 29 Jun 2002 | British | 78 years |
| Iain Donald Ferguson | Director | 28 Mar 2007 | 23 Jul 2007 | British | 71 years |
| Iain Donald Ferguson | Director | 23 Jul 2007 | 22 Mar 2010 | British | 71 years |
| James Andrew Brown | Director | 1 Jul 1999 | 30 Apr 2005 | British | 74 years |
| James Armstrong | Director | 5 Nov 1998 | 22 Oct 2001 | British | 87 years |
| Kenneth George France | Director | 25 Jan 2000 | 12 Apr 2002 | British | 76 years |
| Kenneth William Chambers | Director | 6 Nov 1998 | 31 Aug 2001 | British | 82 years |
| Mark Stuart Goldsworthy | Director | 27 May 2015 | 12 Aug 2015 | British | 47 years |
| Martin Doe | Director | 1 Aug 2000 | 5 Dec 2006 | British | 70 years |
| Martin John Edward Tidd | Director | 6 Nov 1998 | 10 Oct 1999 | British | 66 years |
| Matthew Reed | Director | 1 Aug 2000 | 1 Sept 2011 | British | 76 years |
| Maureen Anne Childs | Director | 24 Sept 1998 | 26 Oct 1998 | British | 90 years |
| Maureen Anne Childs | Secretary | 24 Sept 1998 | 26 Oct 1998 | British | - |
| Michael Gordon Stoney | Director | 6 Nov 1998 | 2 Jan 2006 | British | 79 years |
| Paul Cornelius Collins | Director | 13 Oct 2011 | 7 Aug 2014 | Irish | 67 years |
| Paul Whitmore | Director | 26 Oct 1998 | 31 Mar 2000 | British | 71 years |
| Peter Charles Stone | Director | 6 Nov 1998 | 2 May 2003 | British | 74 years |
| Raymond Gabriel O'rourke | Director | 23 Oct 2001 | 27 May 2015 | Irish | 79 years |
| Roger Keith Miller | Secretary | 1 Nov 1999 | 22 Oct 2001 | British | - |
| Rowan Clare Baker | Director | 18 Dec 2020 | 27 Sept 2024 | British | 53 years |
| Steven John Moore | Director | 6 Nov 1998 | 31 Dec 2000 | British | 81 years |
| Teresa Ann Styant | Secretary | 28 May 2010 | 29 Jun 2016 | - | - |