| Adrian Peter James | Director | 1 Apr 2007 | 31 Mar 2015 | British | 70 years |
| Alexander Morrison | Director | 31 Dec 1991 | 19 Apr 1996 | British | 90 years |
| Alexandra Jane Marsh | Secretary | 1 Apr 2021 | 1 Apr 2022 | - | - |
| Avril Lee Chadwick | Director | 1 Apr 2007 | 30 Jun 2013 | South African | 56 years |
| Brian James Mullins | Director | 31 Dec 1991 | 29 Apr 1997 | British | 84 years |
| Brian Richard Galloway | Director | 31 Dec 1991 | 8 Feb 1993 | British | 89 years |
| Bruce Ian Ross Adams | Director | 1 Apr 2007 | 30 Jun 2013 | British | 77 years |
| Catherine Anne Shelton | Director | 23 Mar 1994 | 31 May 2005 | British | 70 years |
| Christopher Maurice Brett | Director | 1 Apr 2007 | 31 Mar 2013 | British | 74 years |
| Clive Henry Rand | Director | 1 Oct 1999 | 31 Mar 2012 | British | 75 years |
| Daniel James Mitchell | Director | 1 Jul 2009 | 30 Jun 2013 | British | 52 years |
| Daniel Tupper Mobsby | Director | 1 Oct 2005 | 9 Mar 2012 | British | 54 years |
| David Brooker | Director | 8 Jul 2002 | 31 Dec 2011 | British | 78 years |
| David Hugh Williams | Director | 1 Oct 1999 | 30 Apr 2001 | British | 66 years |
| David Hughes Williams | Director | 1 Apr 2007 | 28 Feb 2009 | British | 66 years |
| David John James | Director | 1 Oct 2003 | 6 Sept 2010 | British | 76 years |
| David Leslie Richards | Director | 11 Feb 1993 | 1 Apr 2001 | British | 85 years |
| Dominic Michael Scott | Director | 1 Oct 2003 | 30 Jun 2013 | British | 61 years |
| Dominic Michael Scott | Director | 3 Nov 2014 | 1 Apr 2022 | British | 61 years |
| Dominic Peter Jarman | Director | 1 Apr 1999 | 28 Feb 2009 | British | 73 years |
| Duncan West | Director | 1 Apr 2007 | 31 Mar 2009 | British | 67 years |
| Erik Watson | Director | 1 Oct 2005 | 27 Jul 2007 | Dual British/canadian | 57 years |
| Gareth Roger John Capner | Director | 11 Feb 1993 | 31 Mar 2008 | British | 79 years |
| George Scott Calder | Director | 1 Apr 2001 | 31 Mar 2004 | British | 88 years |
| Huw Edwards | Director | 1 Jul 2009 | 30 Jun 2013 | British | 58 years |
| Iain Kenneth Stancil Painting | Director | 1 Apr 2007 | 30 Jun 2013 | British | 58 years |
| Ian Edward Mellor | Director | 5 Dec 2002 | 31 Mar 2013 | British | 74 years |
| Ian Eric Tant | Director | 28 Feb 1992 | 25 Sept 2015 | British | 71 years |
| James Edmund Hall | Director | 1 Oct 2012 | 30 Jun 2013 | British | 57 years |
| James Ewan Geddes Carr | Director | 1 Apr 2007 | 31 Mar 2017 | British | 70 years |
| James Julian De Havilland | Director | 22 Oct 2007 | 30 Jun 2013 | British | 58 years |
| James Keith Shearer | Director | 1 Oct 2007 | 6 Sept 2010 | British | 71 years |
| James Stefan Gross | Director | 1 Oct 2007 | 6 Sept 2010 | British | 54 years |
| John Haxworth | Director | 2 Jan 2008 | 6 Sept 2010 | British | 55 years |
| John Haxworth | Director | 1 Apr 2011 | 30 Jun 2013 | British | 55 years |
| John Haxworth | Director | 3 Nov 2014 | 1 Apr 2022 | British | 55 years |
| Lee James Newlyn | Director | 1 Apr 2007 | 31 Mar 2013 | British | 74 years |
| Lorne Robert Stuart Vernon | Director | 28 Feb 1992 | 31 Mar 2006 | British | 81 years |
| Mark Sitch | Director | 1 Jul 2004 | 25 Sept 2015 | British | 56 years |
| Matthew Ben West-taylor | Director | 8 Sept 2008 | 30 Jun 2013 | British | 63 years |
| Matthew Dermot Chard | Director | 1 Apr 2011 | 30 Jun 2013 | British | 58 years |
| Nicholas David Leslie Sweet | Director | 1 Apr 2007 | 30 Jun 2013 | British | 69 years |
| Nicholas Russell Collins | Director | 1 Oct 2005 | 30 Jun 2013 | British | 54 years |
| Nicholas Russell Collins | Director | 1 Apr 2015 | 1 Apr 2022 | British | 54 years |
| Nicholas William Pitcher | Director | 1 Oct 2004 | 9 Mar 2012 | British | 60 years |
| Nigel Normington | Director | 1 Nov 1993 | 1 Apr 2014 | British | 72 years |
| Paul Alexander Mccreery | Director | 1 Apr 2007 | 31 Mar 2009 | British | 74 years |
| Paul Antony Newton | Director | 17 May 2010 | 30 Jun 2013 | British | 55 years |
| Paul Kevin Winser | Director | 1 Apr 2007 | 28 Feb 2009 | British | 67 years |
| Paul Robert Talbot | Director | 28 Jan 2008 | 28 Feb 2009 | British | 74 years |
| Paul Roland Joslin | Director | 1 Oct 2007 | 30 Jun 2013 | British | 60 years |
| Peter James Bullied | Director | 28 Feb 1992 | 28 Jan 1994 | British | 77 years |
| Peter Ronald Cross | Director | 4 Aug 1997 | 30 Jun 2013 | British | 69 years |
| Philip John Clarke | Director | 5 Dec 2002 | 31 Mar 2010 | British | 75 years |
| Robin David Shepherd | Director | 1 Apr 2011 | 30 Jun 2013 | British | 53 years |
| Robin Meakins | Director | 1 Jul 2009 | 30 Jun 2013 | British | 52 years |
| Roger Brian Head | Director | 31 Dec 1991 | 1 Nov 2000 | British | 91 years |
| Simon Francis Pugh-jones | Director | 1 Oct 2007 | 22 Dec 2010 | British | 59 years |
| Simon John Carter | Director | 1 Oct 2012 | 30 Jun 2013 | British | 60 years |
| Simon John Carter | Secretary | 25 Sept 2015 | 1 Apr 2021 | - | - |
| Simon John Carter | Director | 1 Apr 2021 | 1 Apr 2022 | English | 60 years |
| Simon Paul Prescott | Director | 1 Jul 2009 | 30 Jun 2013 | British | 55 years |
| Stephen Derrick Toole | Secretary | 1 Apr 2009 | 25 Sept 2015 | British | - |
| Stephen Derrick Toole | Director | 1 Oct 2007 | 1 Apr 2022 | British | 64 years |
| Stephen John Tapper | Director | 1 Oct 2010 | 30 Jun 2013 | British | 53 years |
| Stephen John Tucker | Director | 1 Oct 2012 | 30 Jun 2013 | British | 57 years |
| Stephen John Tucker | Director | 17 Jun 2014 | 1 Apr 2022 | British | 57 years |
| William Henry Evans | Director | 31 Dec 1991 | 31 Mar 2009 | British | 78 years |
| William Henry Evans | Secretary | 31 Dec 1991 | 31 Mar 2009 | British | - |