| Andrew James Hall | Director | 28 Nov 2007 | 30 Apr 2008 | British | 70 years |
| Anthony Braine | Director | 21 Jul 2011 | 31 Jul 2014 | British | 68 years |
| Benjamin Toby Grose | Director | 13 Jul 2012 | 13 Jul 2012 | British | 56 years |
| Benjamin Toby Grose | Director | 13 Jul 2012 | 2 Oct 2014 | British | 56 years |
| Charles John Middleton | Director | 22 Feb 2016 | 31 Mar 2022 | British | 59 years |
| Christopher Michael John Forshaw | Director | 21 Jul 2011 | 5 Apr 2017 | British | 76 years |
| Clive Patrick Gibson | Director | 26 Jan 1992 | 8 Aug 1995 | British | 77 years |
| Daniel Francis Connon | Director | 7 Oct 1997 | 5 Sept 2002 | British | 72 years |
| David John Coupe | Director | 22 Feb 2007 | 26 Mar 2008 | British | 82 years |
| David Jon Leatherbarrow | Director | 19 Dec 2008 | 18 Jul 2011 | British | 56 years |
| Eugene Patrick Scales | Secretary | 7 Jul 2008 | 30 Jun 2010 | Other | - |
| Glenn Gordon Timms | Director | 13 Jul 2007 | 18 Jun 2009 | British | 64 years |
| Harcharanjit Singh Sihra | Director | 22 Feb 2007 | 26 Mar 2008 | British | 61 years |
| Jean-marc Vandevivere | Director | 13 Jul 2012 | 31 Jan 2016 | French | 48 years |
| Jog Dhody | Director | 26 Mar 2008 | 21 Jul 2011 | British | 47 years |
| John Arthur Hugh Curry | Director | 1 Jul 1999 | 5 Sept 2002 | British | 87 years |
| Jonathan Bradley Cleland | Director | 14 Dec 2009 | 21 Jul 2011 | British | 60 years |
| Jonathan Charles Mcnuff | Director | 22 Feb 2016 | 18 Mar 2022 | British | 39 years |
| Katherine Fyfe | Director | 20 Jul 2022 | 17 Oct 2022 | British | 40 years |
| Kenneth Frank Weatherley | Director | 26 Jan 1992 | 26 Sept 2003 | British | 78 years |
| Kenneth Frank Weatherley | Secretary | 26 Jan 1992 | 4 Dec 2000 | British | - |
| Kevin Boyd Mccollum | Director | 26 Jan 1992 | 24 Feb 2003 | British | 73 years |
| Lucinda Margaret Bell | Director | 21 Jul 2011 | 19 Jan 2018 | British | 61 years |
| Marc Edward Mcguigan | Director | 3 Oct 2003 | 9 May 2006 | British | 62 years |
| Michael David Ball | Director | 24 Sept 2002 | 13 Aug 2007 | British | 58 years |
| Michael David Ball | Secretary | 28 Feb 2003 | 12 Jul 2004 | British | - |
| Michael Joseph Fallows | Director | 18 Sept 1993 | 28 Feb 2003 | British | 75 years |
| Michael Joseph Fallows | Secretary | 4 Dec 2000 | 28 Feb 2003 | British | - |
| Ndiana Ekpo | Secretary | 21 Jul 2011 | 6 Dec 2016 | - | - |
| Neil Duncan Gillis | Director | 21 Aug 2003 | 13 Jul 2007 | British | 60 years |
| Nigel Mark Webb | Director | 21 Jul 2011 | 18 Mar 2022 | British | 62 years |
| Paul John Guyer | Director | 3 Jan 2006 | 12 Sept 2007 | British | 59 years |
| Paul Richard Griffiths | Director | 26 May 1994 | 25 Sept 1997 | British | 72 years |
| Paul Stuart Macey | Director | 22 Feb 2016 | 18 Mar 2022 | British | 47 years |
| Peter Alan Dickson | Director | 12 Jan 2000 | 5 Sept 2002 | British | 71 years |
| Rhian Lynn Davies | Director | 30 May 1996 | 5 Sept 2002 | British | 60 years |
| Richard Lawrence Segal | Director | 14 Oct 2009 | 21 Jul 2011 | British | 62 years |
| Robin Neil Singer | Director | 6 May 1992 | 27 May 1998 | British | 91 years |
| Roger Thomas Virley Tyson | Secretary | 12 Jul 2004 | 7 Jul 2008 | British | - |
| Sarah Morrell Barzycki | Director | 21 Jul 2011 | 18 Mar 2022 | British | 67 years |
| Simon Geoffrey Carter | Director | 13 Jul 2012 | 30 Jan 2015 | British | 50 years |
| Stephen Paul Charlton | Director | 4 Sept 2007 | 30 Nov 2008 | British | 61 years |
| Stephen Paul Smith | Director | 13 Jul 2012 | 31 Mar 2013 | British | 72 years |
| Stephen Paul Smith | Director | 13 Jul 2012 | 31 Mar 2013 | British | 72 years |
| Stuart John Creed | Director | N/A | 13 May 2003 | British | 75 years |
| Timothy Andrew Roberts | Director | 21 Jul 2011 | 31 Mar 2019 | British | 61 years |
| Timothy John Redburn | Director | 4 Sept 2007 | 1 Nov 2007 | British | 72 years |
| Trevor Philip Moore | Director | 10 May 2006 | 4 Apr 2007 | British | 56 years |
| Victoria Margaret Penrice | Director | 1 Aug 2014 | 29 Apr 2015 | British | 61 years |
| Wai Chung Wong | Secretary | 13 May 2003 | 22 Aug 2003 | British | - |