| Anthony Smith | Director | 6 Sept 2011 | 23 Dec 2013 | British | 62 years |
| Anthony Smith | Director | 19 Sept 2016 | 30 Sept 2020 | British | 62 years |
| Barry Keith Holmes | Director | 3 Jan 1995 | 16 Jan 1998 | British | 86 years |
| Barry Stephen Peat | Director | 14 Apr 1998 | 26 Sept 2001 | British | 68 years |
| Barry Stephen Peat | Secretary | 27 May 1999 | 28 Jun 1999 | British | - |
| Barry Stephen Peat | Secretary | 9 Mar 2001 | 26 Sept 2001 | British | - |
| Brian Anthony Charles Kingham | Director | 31 Jan 1992 | 28 Mar 2003 | British | 81 years |
| Daniel Houghton Hodson | Director | 27 May 1999 | 28 Feb 2006 | British | 81 years |
| Daphne Valerie Cash | Secretary | 30 Apr 2009 | 26 Apr 2017 | British | - |
| David Matthews | Director | 30 Nov 1994 | 26 May 1999 | British | 63 years |
| David Matthews | Secretary | 31 Jan 1992 | 26 May 1999 | British | - |
| Derek Lewis Davies | Director | 21 May 1997 | 30 Jun 2000 | British | 92 years |
| Duncan James Green | Director | 26 Sept 2001 | 16 Mar 2020 | British | 63 years |
| Duncan James Green | Secretary | 26 Sept 2001 | 30 Apr 2009 | British | - |
| Edward Forrest Brown | Director | 30 Apr 2009 | 23 Dec 2013 | British | 74 years |
| Edward William Jackson | Director | 31 Jan 1992 | 3 Apr 1998 | British | 86 years |
| Eve Miko | Secretary | 17 Jun 2021 | 9 Nov 2022 | - | - |
| Gary Michael Perry | Director | 26 Apr 2004 | 1 Apr 2011 | British | 66 years |
| Godfrey Oliver Whitehead | Director | 1 Jan 2008 | 3 Nov 2011 | British | 84 years |
| Grahame Richard Hart | Director | 23 May 2006 | 30 Jan 2008 | British | 60 years |
| Guy Robert Phillips | Director | 19 Sept 2016 | 30 Sept 2020 | British | 56 years |
| Henry Albert Miller | Director | 31 Jan 1992 | 28 Apr 1995 | British | 100 years |
| Ian David Entwisle | Director | 5 Jun 1997 | 25 Mar 2021 | British | 62 years |
| James Bartlett Wilson | Director | 23 Dec 2013 | 28 Sept 2015 | American | 65 years |
| James Richard Harris | Director | 31 Jan 1992 | 31 Jan 1994 | British | 97 years |
| Jim Harding | Director | 5 Aug 2019 | 11 Nov 2021 | British | 49 years |
| John Alan Roberts | Director | 21 Mar 1996 | 30 Jun 2000 | British | 81 years |
| John Albert Maidment | Director | 18 Sept 2002 | 31 Mar 2005 | British | 63 years |
| John Albert Maidment | Director | 2 Feb 2012 | 23 Dec 2013 | British | 63 years |
| John Edward Joseph Dunstan | Director | 6 Mar 2018 | 28 Jun 2019 | British | 49 years |
| John Ernest Warburton | Director | 13 Apr 1992 | 18 Jan 2002 | British | 62 years |
| Julie Jane Archer | Director | 3 Apr 2012 | 20 May 2013 | British | 54 years |
| Justin Paul Lawson | Director | 22 Jul 2022 | 14 Jan 2025 | British | 49 years |
| Kenneth Allison | Director | 3 Jan 2006 | 31 Dec 2008 | British | 81 years |
| Kevin Stuart Lynn | Director | 16 Mar 2010 | 23 Dec 2013 | British | 56 years |
| Matthew Eastwood | Director | 25 Mar 2021 | 3 Dec 2024 | British | 53 years |
| Matthew Farrant | Director | 25 May 2022 | 16 Jan 2024 | British | 54 years |
| Michael Robert Burdett | Director | 1 Sept 2004 | 23 Dec 2013 | British | 74 years |
| Nicholas George Panes | Director | 28 Jun 1999 | 9 Mar 2001 | British | 76 years |
| Nicholas George Panes | Secretary | 28 Jun 1999 | 9 Mar 2001 | British | - |
| Paul Clifford Skertchly | Director | 27 Apr 2020 | 21 Aug 2023 | British | 63 years |
| Paul James Saville King | Director | 23 May 2006 | 23 Dec 2013 | British | 56 years |
| Paul James Saville-king | Director | 19 Sept 2016 | 25 Mar 2021 | British | 56 years |
| Paul John Lester | Director | 1 Sept 2011 | 23 Dec 2013 | British | 76 years |
| Peter Swinburn | Director | 31 Jan 1992 | 31 Jan 1994 | English | 85 years |
| Rachael Jennifer Henderson | Director | 13 Jun 2005 | 15 Dec 2011 | British | 56 years |
| Rachael Jennifer Henderson | Director | 12 Aug 2013 | 23 Dec 2013 | British | 56 years |
| Sarah Jane Massey | Director | 19 Sept 2016 | 2 Mar 2018 | British | 52 years |
| Stuart Davies | Director | 27 Feb 2007 | 30 Sept 2008 | British | 54 years |
| Tejender Singh Chaudhary | Secretary | 20 Feb 2023 | 25 Aug 2023 | - | - |
| Thomas Meikle | Director | 5 Mar 2009 | 23 Dec 2013 | British | 54 years |
| Timothy Michael Barnes | Director | 28 Jan 2003 | 31 Dec 2004 | British | 61 years |
| William Stuart Mccall | Director | 3 Jul 2000 | 31 Dec 2007 | British | 78 years |