| Alan Rodger Christie | Director | 10 Aug 2001 | 5 Jan 2005 | British | 79 years |
| Alistair Linn Webster | Director | 4 May 2004 | 30 Jun 2009 | British | 73 years |
| Carol Ann Ritchie | Director | 1 Apr 2003 | 30 Apr 2004 | British | 67 years |
| Christopher Michael Adams | Director | 9 Apr 2015 | 4 Jan 2024 | British | 44 years |
| Christopher Roger Halliwell | Director | 13 Feb 1995 | 30 Jun 2000 | British | 71 years |
| Claude Harry Bush | Director | 27 Mar 1989 | 31 Mar 1994 | British | 94 years |
| Daniel Rodger Mcarthur | Director | 30 Jun 2000 | 10 Aug 2001 | British | 77 years |
| David Charles Hasson | Director | 4 Jan 2006 | 14 Apr 2008 | British | 57 years |
| David Dermot Hennessey | Secretary | 5 Aug 2016 | 10 Aug 2016 | - | - |
| George Alexander Grant | Director | 14 Apr 2008 | 30 Apr 2009 | British | 65 years |
| George Gibson Reid | Director | 4 May 2004 | 4 Jan 2006 | British | 58 years |
| Gordon Ferguson | Director | 30 Jun 2009 | 1 May 2013 | British | 63 years |
| Helen Mary Lakin | Secretary | 1 Jun 2000 | 10 Aug 2001 | British | - |
| Ian Mcfarlane Brown | Director | 13 Feb 1995 | 30 Jul 1999 | British | 86 years |
| James Owen Trace | Director | 1 May 2013 | 9 Apr 2015 | British | 63 years |
| Jayson Edwards | Director | 1 May 2013 | 22 Jan 2014 | British | 62 years |
| John Alexander Mercer | Director | 27 Mar 1989 | 30 Jun 2000 | British | 87 years |
| John Michael Morrissey | Director | 30 Jun 2009 | 31 Aug 2010 | British | 65 years |
| John Sydney Brown | Director | 27 Mar 1989 | 28 May 1996 | British | 94 years |
| Mark James Sandrey | Director | 22 Jan 2014 | 9 Apr 2015 | British | 55 years |
| Martin Francis Fleming | Director | 9 Apr 2015 | 5 Aug 2016 | Irish | 58 years |
| Michael David Whytock | Director | 20 Jun 2017 | 29 Mar 2023 | British | 60 years |
| Michael John David Griffiths | Director | 18 Apr 2011 | 9 Apr 2015 | British | 77 years |
| Paul Gittins | Secretary | 10 Aug 2016 | 31 Jul 2024 | - | - |
| Paul Gittins | Secretary | 10 Aug 2001 | 5 Aug 2016 | British | - |
| Peter Malcolm Cottle | Director | 14 Apr 2008 | 30 Jun 2009 | British | 76 years |
| Peter Roy Oakes | Director | 30 Jun 2000 | 10 Aug 2001 | British | 75 years |
| Philip James Han | Director | 1 Apr 2003 | 12 Nov 2003 | British | 64 years |
| Raymond Nixon | Secretary | 27 Mar 1989 | 31 May 2000 | British | - |
| Robert James Mee | Director | 30 Jun 2000 | 10 Aug 2001 | British | 75 years |
| Roy Littler | Director | 27 Mar 1989 | 30 Jun 2000 | British | 85 years |
| Steven David Russell Chessman | Director | 27 Aug 2010 | 28 Feb 2011 | British | 63 years |
| Stuart James Ballingall | Director | 14 Apr 2008 | 30 Jun 2009 | British | 62 years |
| Timothy Mark Blackwell | Director | 30 Jun 2009 | 17 Jun 2011 | British | 57 years |
| William Gordon Barclay | Director | 10 Aug 2001 | 31 Dec 2002 | British | 79 years |