| Adam Alexander Miller | Director | 10 Jan 2008 | 3 Mar 2010 | British | 56 years |
| Alexander Kenneth Niven | Director | 24 Aug 2001 | 31 Oct 2004 | British | 74 years |
| Anne Patricia Munson | Secretary | 29 May 1998 | 21 Jul 2003 | British | - |
| Anthony John Smillie | Director | 1 Nov 2004 | 24 Oct 2007 | British | 70 years |
| Barry John Evans | Director | 17 Feb 2015 | 30 Sept 2015 | British | 64 years |
| Christopher John Ball | Director | 16 Apr 2015 | 31 Dec 2015 | British | 56 years |
| Christopher Stephen Michael Kipps | Director | 31 May 2023 | 31 Jul 2025 | British | 56 years |
| Colin Arthur Woodland | Director | 1 Nov 2004 | 19 Jan 2009 | British | 71 years |
| Colin Ian Wigginton | Director | 1 Oct 2002 | 22 Dec 2003 | British | 66 years |
| David Glyn Hughes | Director | 1 Nov 2004 | 5 Jan 2009 | British | 68 years |
| Declan Christopher Hunt | Director | 3 Mar 2010 | 6 Sept 2013 | Irish | 57 years |
| Duncan Thomas Edward Faithfull | Director | 7 Mar 2013 | 16 Apr 2015 | British | 55 years |
| Garry Raymond Bowden | Secretary | 18 Jan 1996 | 13 Feb 1998 | Australian | - |
| Gavin Michael Windsor | Director | 7 Mar 2013 | 13 Sept 2013 | British | 58 years |
| Geoffrey Tristan Descarriers Wilmot | Director | 18 Jan 1996 | 30 Jun 1997 | British | 73 years |
| Graham Austen Levinsohn | Director | 8 Feb 2002 | 31 Oct 2004 | British | 64 years |
| Graham Peter Foster | Director | 15 Aug 2002 | 2 Jul 2004 | British | 67 years |
| Ian James Mc Crea | Director | 3 Feb 1998 | 12 Jun 1998 | British | 73 years |
| Ian Leighton Nisbet | Director | 1 Nov 2004 | 1 Jul 2010 | British | 64 years |
| Ian Malcolm Fothergill | Director | 3 Feb 1998 | 12 Jun 1998 | British | 81 years |
| James Frederick Dedman | Director | 9 Apr 1992 | 10 Mar 1994 | British | 100 years |
| James Sebastian Dinsdale | Director | 9 May 2011 | 11 Aug 2011 | British | 60 years |
| James Sebastian Dinsdale | Director | 20 Sept 2011 | 7 Mar 2013 | British | 60 years |
| James Weir | Director | 30 Jun 1993 | 18 Jan 1996 | British | 78 years |
| James Weir | Secretary | 9 Apr 1992 | 18 Jan 1996 | British | - |
| Jayne Edwards | Director | 30 Jun 1997 | 29 May 1998 | British | 69 years |
| Jayne Edwards | Secretary | 13 Feb 1998 | 29 May 1998 | British | - |
| Jeffrey Buchanan Anderson | Director | 1 Nov 2002 | 31 Oct 2003 | British | 65 years |
| Jeffrey Thomas Nicholls | Director | 4 Dec 2002 | 31 Oct 2003 | British | 60 years |
| Jennifer Claire Myles | Director | 1 Nov 2004 | 24 Oct 2007 | British | 59 years |
| Jodie Louise Hossen | Director | 1 Feb 2018 | 14 Apr 2023 | British | 49 years |
| John Michael Joseph Campbell | Director | 18 Jan 2018 | 5 Apr 2019 | British | 59 years |
| John Richard Nelson | Director | 16 Apr 2015 | 1 Feb 2018 | British | 63 years |
| John William Lennox | Director | 14 Jan 2016 | 2 Jan 2020 | British | 66 years |
| Julian Duxfield | Director | 14 Feb 2008 | 3 Aug 2012 | British | 64 years |
| Karen Barbara Gateson | Director | 4 Dec 2002 | 1 Feb 2004 | British | 66 years |
| Kenneth Alan Wood | Director | 29 May 1998 | 4 May 2001 | British | 81 years |
| Kenneth John Youngman | Director | 15 Nov 2000 | 4 May 2001 | British | 70 years |
| Kevin O'connor | Director | 3 Mar 2010 | 20 Jan 2012 | British | 50 years |
| Kevin O'connor | Director | 7 Mar 2013 | 21 Jan 2015 | British | 50 years |
| Leonard Keith Gateson | Director | 2 Jan 2004 | 24 Oct 2007 | British | 70 years |
| Leonard Keith Gateson | Secretary | 21 Jul 2003 | 24 Oct 2007 | British | - |
| Margaret Ann Ryan | Director | 21 Jan 2008 | 16 Jul 2013 | British | 66 years |
| Margaret Ann Ryan | Secretary | 21 Jan 2008 | 16 Jul 2013 | British | - |
| Matthew Charles Brown | Director | 18 Sept 2013 | 16 Apr 2015 | British | 54 years |
| Michael George Bowen | Director | 1 Nov 2002 | 2 Jul 2004 | British | 67 years |
| Neville Andrew Russell Prentice | Director | 1 May 2005 | 7 Mar 2013 | British | 60 years |
| Nicholas Peter Buckles | Director | 4 May 2001 | 26 Apr 2002 | British | 65 years |
| Nigel Edward Griffiths | Director | 4 May 2001 | 24 Aug 2001 | British | 79 years |
| Nigel Edward Griffiths | Director | 1 Jul 2002 | 30 Sept 2002 | British | 79 years |
| Paul Martin Etheridge | Director | 29 May 1998 | 20 Jan 1999 | British | 79 years |
| Phillip Shingler | Director | 1 Nov 2004 | 13 Apr 2012 | British | 71 years |
| Richard Temple Gardiner-hill | Director | 9 Apr 1992 | 25 Jun 1993 | British | 94 years |
| Robert Kimber | Director | 9 Apr 1992 | 29 May 1998 | British | 85 years |
| Roy David Dodd | Director | 20 Jan 1999 | 15 Nov 2000 | British | 62 years |
| Roy David Dodd | Director | 24 Aug 2001 | 1 Nov 2002 | British | 62 years |
| Simon Paul Thomas Presswell | Director | 1 May 2005 | 5 Jul 2006 | British | 56 years |
| Trace Lee Norton | Director | 14 Jan 2016 | 31 Jul 2017 | British | 63 years |
| Vaishali Jagdish Patel | Secretary | 16 Jul 2013 | 5 May 2021 | - | - |
| Victoria Avril Woodison | Director | 3 Aug 2012 | 16 Apr 2015 | British | 54 years |
| William Joseph Hoyne | Director | 16 Apr 2015 | 18 Jan 2018 | Irish | 68 years |