| Adam Holden | Director | 11 May 2015 | 1 Jul 2016 | British | 52 years |
| Alexander David Baldock | Director | 8 Aug 2008 | 31 Aug 2012 | British | 55 years |
| Alistair John Beeston | Director | 27 Mar 1997 | 30 Sept 1998 | British | 83 years |
| Amy Williamson | Secretary | 22 Feb 2012 | 14 Sept 2012 | - | - |
| Andrew David Barnard | Director | 1 Feb 2010 | 31 May 2013 | British | 54 years |
| Andrew Paul Gadsby | Director | 31 May 2013 | 11 May 2015 | British | 59 years |
| Angela Mary Cunningham | Secretary | 1 Feb 2000 | 31 Jan 2002 | British | - |
| Brian Addison Carte | Director | 12 Nov 1992 | 30 Jun 1996 | British | 82 years |
| Carolyn Jean Whittaker | Secretary | 1 Feb 2002 | 28 Nov 2005 | Other | - |
| Christopher George Knowles | Director | 1 May 2000 | 29 Feb 2004 | British | 68 years |
| Christopher Paul Sullivan | Director | 4 Nov 1999 | 29 Feb 2004 | British | 68 years |
| George Smith-salmond Ashworth | Director | 1 Mar 2004 | 25 Jun 2007 | English | 69 years |
| Gillian Wraith Carter | Secretary | 28 Nov 2005 | 8 Aug 2008 | British | - |
| Graham Colin Clemett | Director | 1 Jun 2003 | 1 Jun 2007 | British | 65 years |
| Harry Mccrea Roome | Director | 23 Sept 1996 | 26 Feb 1999 | British | 71 years |
| Heidi Elizabeth Bromley | Secretary | 5 May 1998 | 31 Jan 2000 | British | - |
| Jeffrey Johnson | Director | 1 Jan 1995 | 8 Nov 1999 | British | 80 years |
| John David Stuart | Director | 1 Jul 2001 | 31 May 2003 | British | 62 years |
| John Derek Fitch | Director | 12 Nov 1992 | 30 Sept 1996 | British | 88 years |
| John Douglas Purdy | Director | 12 Nov 1992 | 31 Dec 1996 | British | 88 years |
| Kirsty Daly | Secretary | 1 Jun 2011 | 11 Jan 2012 | - | - |
| Lindsey Helen Cameron | Secretary | 8 Aug 2008 | 31 May 2011 | Other | - |
| Margaret Janet Evans | Secretary | 18 Mar 1993 | 5 May 1998 | British | - |
| Martin Edward Powell | Director | 1 Oct 1998 | 17 May 1999 | British | 70 years |
| Michael Alan Maberly | Director | 12 Nov 1992 | 31 Dec 1994 | British | 89 years |
| Neeraj Kapur | Director | 1 Jun 2007 | 1 Feb 2010 | British | 60 years |
| Nigel Pearce | Director | 1 Mar 1999 | 31 May 2003 | British | 74 years |
| Nigel Timothy John Clibbens | Director | 1 Jun 2003 | 27 Feb 2015 | British | 66 years |
| Patricia Ann Stranaghan | Secretary | 12 Nov 1992 | 18 Mar 1993 | British | - |
| Paul Anthony Lynam | Director | 1 Nov 2004 | 8 Aug 2008 | Irish | 57 years |
| Paul Marrow | Director | 1 Mar 2004 | 31 Oct 2004 | British | 73 years |
| Peter Edmund Lord | Director | 27 Feb 2015 | 11 Oct 2018 | British | 67 years |
| Peter Higgins | Director | 17 May 1999 | 30 Mar 2000 | British | 72 years |
| Richard Mark Priestman | Director | 1 Jun 2007 | 16 Aug 2010 | British | 69 years |