| Adrian Stuart Brennan Dyball | Director | 2 Jul 1999 | 30 Sept 2006 | British | 58 years |
| Andrew Crawford | Director | 16 Sept 2002 | 22 Mar 2011 | British | 67 years |
| Andrew James Mcnaughton | Director | 18 Mar 2008 | 31 Mar 2009 | British | 63 years |
| Anthony Albert Stock | Director | 1 Jun 1997 | 7 Feb 2008 | British | 83 years |
| Beverley Edward John Dew | Director | 27 Mar 2014 | 5 Dec 2014 | British | 55 years |
| Charles Nicholas Pollard | Director | 22 Oct 2014 | 1 Jul 2015 | British | 68 years |
| Christopher Charles Millard | Director | 6 Mar 2015 | 31 Dec 2015 | British | 65 years |
| Christopher Graham Haworth | Director | 1 Mar 1999 | 30 Sept 2008 | British | 72 years |
| Clive Graham Thomas | Director | 1 Jul 2001 | 13 Jun 2008 | British | 73 years |
| Darren Thomas Wootton | Director | 1 Mar 2004 | 31 Aug 2011 | British | 59 years |
| David Albert Hiscock | Director | 9 May 1992 | 26 Jun 1998 | British | 89 years |
| David Gordon Smith | Director | 25 Jan 2019 | 31 Dec 2019 | British | 66 years |
| David Peter Swan | Director | 1 Oct 1995 | 8 Feb 2002 | British | 78 years |
| Dean John Banks | Director | 8 Jun 2015 | 10 Feb 2021 | British | 55 years |
| Emma Campbell | Secretary | 15 Oct 2010 | 1 Nov 2012 | - | - |
| Francis Declan Finbar Tempany Mccormack | Secretary | 18 Mar 2008 | 31 Mar 2009 | British | - |
| Gregory William Mutch | Secretary | 1 Nov 2012 | 30 Sept 2015 | - | - |
| Guy Pitt Hardacre | Director | 15 Apr 1996 | 20 Apr 1998 | British | 69 years |
| Guy Pitt Hardacre | Director | 23 Sept 1998 | 17 Dec 2010 | British | 69 years |
| Hector Macaulay | Director | 11 Apr 2011 | 8 May 2014 | British | 63 years |
| Henry Lawrence Flint | Director | 17 Sept 2008 | 31 Mar 2009 | British | 66 years |
| Henry Lawrence Flint | Secretary | 5 Oct 2001 | 18 Mar 2008 | British | - |
| Henry Lawrence Flint | Secretary | 17 Sept 2008 | 31 Mar 2009 | British | - |
| Howard Gordon Reeves | Director | 9 May 1992 | 11 Feb 1998 | British | 77 years |
| James Joseph Duffy | Director | 8 Jun 2016 | 17 Mar 2021 | British | 60 years |
| John Francis Molloy | Director | 9 May 1992 | 24 Nov 1993 | Irish | 75 years |
| John Keaveney | Director | 30 Jan 2015 | 30 Jun 2017 | Irish | 54 years |
| Jonathan Edward Kirkland | Director | 1 Sept 2002 | 19 Oct 2006 | British | 60 years |
| Jonathan Frederick Lavis | Director | 15 Apr 1996 | 28 Jul 1999 | British | 72 years |
| Jonathan Granville Winter | Director | 1 Jul 2017 | 24 Sept 2018 | British | 66 years |
| Kenneth Macintosh | Secretary | 9 May 1992 | 5 Oct 2001 | British | - |
| Kenneth William Barker | Director | 9 May 1992 | 20 Jul 1998 | British | 79 years |
| Kenneth William Barker | Director | 23 Sept 1998 | 22 Jan 2002 | British | 79 years |
| Mark Lloyd Cutler | Director | 22 Jul 2014 | 11 Nov 2014 | British | 58 years |
| Mark Richard Johnson | Director | 31 Mar 2009 | 16 Nov 2012 | British | 65 years |
| Mark William Bullock | Director | 10 Feb 2021 | 31 Dec 2023 | British | 63 years |
| Martin Beverley Bodenham Hirst | Director | 9 May 1992 | 31 May 2003 | British | 77 years |
| Michael John Peasland | Director | 18 Mar 2008 | 31 Mar 2009 | British | 74 years |
| Murray John Easton | Director | 9 Jan 2012 | 22 Jul 2014 | British | 71 years |
| Neil Graham Beresford | Director | 1 Sept 2002 | 29 Sept 2008 | British | 68 years |
| Paul Francis Mcmaster | Director | 1 Sept 2002 | 23 Feb 2004 | British | 69 years |
| Paul Stephen Strachan | Director | 7 Feb 2008 | 30 May 2008 | British | 62 years |
| Paul Vivian Malins | Director | 15 Jul 2002 | 29 Sept 2008 | British | 72 years |
| Peter Brennan Dyball | Director | 9 May 1992 | 24 Nov 1993 | British | 87 years |
| Peter Evans | Director | 24 Nov 1993 | 8 Apr 1994 | British | 78 years |
| Peter John Warren Cross | Director | 24 Nov 1993 | 31 May 2003 | British | 80 years |
| Philip Hugh Morris | Secretary | 31 Mar 2009 | 15 Oct 2010 | British | - |
| Richard Lee Fielding | Director | 26 Feb 2007 | 29 Sept 2008 | British | 57 years |
| Roger Casimir Bradley O Kane | Director | 11 May 1998 | 28 Dec 1998 | British | 71 years |
| Stephen John Parrett | Director | 27 Jul 1998 | 6 Feb 2009 | British | 72 years |
| Stuart Edward Curl | Director | 5 Dec 2014 | 31 May 2016 | British | 65 years |
| Stuart Mansley | Director | 20 Dec 2010 | 21 Apr 2011 | British | 64 years |
| William Andrew Mcadam | Director | 1 Oct 2006 | 29 Sept 2008 | British | 59 years |