| Alan Charles Fuller | Director | 1 Aug 1998 | 27 Feb 2002 | British | 68 years |
| Alan Charles Fuller | Secretary | 1 Aug 1998 | 27 Feb 2002 | British | - |
| Alan Leonard Whitnall | Secretary | 27 Feb 2002 | 29 May 2009 | British | - |
| Ann Heron Gloag | Director | 31 Dec 1991 | 7 Apr 1998 | British | 84 years |
| Arnold Mark Threapleton | Director | 18 Apr 2017 | 30 Jun 2020 | British | 72 years |
| Benjamin Colson | Director | 31 Dec 1991 | 1 May 2001 | British | 75 years |
| Bernard Patrick Keane | Director | 26 Sept 1994 | 17 Nov 1994 | British | 72 years |
| Brian John Cox | Director | 1 Aug 2000 | 3 Jul 2002 | British | 79 years |
| Brian Souter | Director | 31 Dec 1991 | 7 Apr 1998 | British | 72 years |
| Carla Lucy Stockton-jones | Director | 1 Jul 2020 | 3 Jul 2023 | British | 54 years |
| Catherine Acton-brazier | Director | 4 Nov 2019 | 31 Dec 2020 | British | 56 years |
| Christopher Bowles | Director | 1 May 2000 | 30 Dec 2004 | British | 73 years |
| Christopher John Bowles | Director | 1 May 2006 | 12 Apr 2011 | British | 73 years |
| Colin Brown | Director | 30 Dec 2004 | 31 May 2019 | British | 58 years |
| David Holt | Director | 17 Oct 1996 | 31 Jul 1998 | British | 74 years |
| David Holt | Secretary | 17 Oct 1996 | 31 Jul 1998 | British | - |
| David Moore Ashworth | Director | 1 Jan 1998 | 15 May 1998 | British | 79 years |
| David Moore Ashworth | Director | 1 May 2000 | 30 Dec 2004 | British | 79 years |
| David Robert Barrie | Director | 27 Feb 2024 | 26 Mar 2024 | British | 45 years |
| Derek Scott | Secretary | 31 Dec 1991 | 1 May 1992 | British | - |
| Elisabeth Ann Tasker | Director | 21 Dec 2011 | 28 Dec 2016 | British | 59 years |
| Gary James Nolan | Director | 2 May 2013 | 28 Dec 2016 | British | 70 years |
| Geoffrey Corser | Director | 3 Jun 1993 | 20 Nov 1996 | British | 89 years |
| Janine Summers | Director | 1 Apr 2022 | 3 Jul 2023 | British | 55 years |
| John Leslie Gould | Director | 3 Jun 1993 | 17 Nov 1994 | British | 76 years |
| John Leslie Gould | Director | 1 Jul 1996 | 8 Sept 2000 | British | 76 years |
| Karen Rosaleen Robbins | Director | 1 Dec 2000 | 19 Apr 2002 | British | 57 years |
| Keith Robertson Cochrane | Director | 7 Apr 1998 | 1 Aug 2000 | British | 61 years |
| Leslie Brian Warneford | Director | 1 Oct 1994 | 27 Aug 1996 | British | 78 years |
| Leslie Brian Warneford | Director | 21 Jan 1999 | 26 Apr 2013 | British | 78 years |
| Mark Thomas Whitelocks | Director | 18 Jun 2018 | 3 Feb 2020 | British | 44 years |
| Martin Andrew Griffiths | Director | 1 Aug 2000 | 30 Dec 2004 | British | 60 years |
| Matthew James Cranwell | Director | 1 Sept 2015 | 18 Jun 2018 | British | 45 years |
| Michael Bruce Clayton | Director | 17 Nov 1994 | 27 Aug 1996 | British | 70 years |
| Michael Bruce Clayton | Secretary | 17 Nov 1994 | 27 Aug 1996 | British | - |
| Michael John Kinski | Director | 7 Apr 1998 | 30 Nov 1998 | British | 74 years |
| Michael John Reid | Director | 21 Nov 1996 | 25 Jan 1998 | British | 76 years |
| Michael John Vaux | Director | 31 Mar 2009 | 28 Dec 2016 | British | 55 years |
| Michael John Vaux | Secretary | 29 May 2009 | 30 Jul 2024 | British | - |
| Michael Nicholas Pestereff | Director | 26 Sept 1994 | 17 Nov 1994 | British | 84 years |
| Michael Richard Chambers | Director | 31 Dec 1991 | 8 Sept 2000 | British | 77 years |
| Michael Richard Chambers | Secretary | 1 May 1992 | 20 Sept 1993 | British | - |
| Michael Richard Chambers | Secretary | 1 Sept 1994 | 17 Nov 1994 | British | - |
| Michelle Catherine Hargreaves | Director | 31 Dec 2020 | 1 Apr 2022 | British | 63 years |
| Nigel Barrett | Director | 11 Sept 2000 | 1 May 2006 | British | 74 years |
| Nigel Winter | Director | 21 Dec 2011 | 1 Sept 2015 | British | 63 years |
| Paul Graham Lynch | Director | 28 Dec 2016 | 18 Apr 2017 | British | 64 years |
| Paul Lee | Director | 1 May 2000 | 30 Dec 2004 | British | 69 years |
| Paul Michael Southgate | Director | 1 May 1993 | 30 Sept 1994 | British | 72 years |
| Paul Michael Southgate | Director | 12 Apr 2011 | 21 Dec 2011 | British | 72 years |
| Robert Gervase Andrew | Director | 31 Mar 2009 | 28 Dec 2016 | British | 63 years |
| Robert Howard Jones | Director | 3 Feb 2020 | 15 Aug 2023 | Welsh | 52 years |
| Robert John Harvey | Director | 20 Sept 1993 | 31 Aug 1994 | British | 82 years |
| Robert John Harvey | Secretary | 20 Sept 1993 | 31 Aug 1994 | British | - |
| Robert Montgomery | Director | 31 Mar 2009 | 22 Mar 2017 | British | 74 years |
| Samuel Derek Greer | Director | 10 Mar 2010 | 28 Dec 2016 | British | 58 years |
| Stephen Burd | Director | 1 Feb 1992 | 13 Apr 1994 | British | 67 years |
| Susan Elizabeth Thom | Secretary | 1 Jul 1996 | 16 Oct 1996 | British | - |
| Trevor Graham Roberts | Director | 1 Nov 1996 | 30 Nov 1997 | British | 70 years |
| Vernon Barfoot | Director | 1 May 2000 | 21 May 2001 | British | 78 years |
| William Barry Hinkley | Director | 31 Dec 1991 | 25 Jul 2000 | British | 77 years |