| Alan William Eatwell | Director | 20 Oct 1999 | 28 Jun 2013 | British | 73 years |
| Christian Schreyer | Director | 5 Nov 2021 | 13 Dec 2022 | German | 58 years |
| Christopher Moyes | Director | 3 Sept 1999 | 8 Jul 2006 | British | 77 years |
| David Allen Brown | Director | 20 Oct 1999 | 16 Oct 2002 | British | 66 years |
| David Allen Brown | Director | 1 Apr 2011 | 5 Nov 2021 | British | 66 years |
| David Arthur Cutts | Director | 29 Jun 2015 | 18 Apr 2024 | British | 57 years |
| Dominic John Moorhouse | Director | 18 Sept 2006 | 19 Jun 2009 | English | 65 years |
| Elodie Marie Francoise Brian | Director | 5 Jun 2019 | 27 Sept 2021 | French | 47 years |
| Gary Wood | Director | 1 Feb 1991 | 31 Dec 2004 | British | 68 years |
| Gordon Alexander Boyd | Director | 28 Sept 2021 | 28 Mar 2022 | British | 66 years |
| Ian Philip Butcher | Director | 3 Sept 1999 | 1 Jul 2007 | British | 75 years |
| Ian Philip Butcher | Secretary | 3 Sept 1999 | 30 Jun 2006 | British | - |
| John Trayner | Director | 29 Jun 2015 | 26 Sept 2024 | British | 67 years |
| Keith Down | Director | 7 Mar 2011 | 6 Dec 2015 | British | 61 years |
| Keith Lawrence Ludeman | Director | 10 Jul 2006 | 2 Jul 2011 | British | 76 years |
| Kevin David Carey | Director | 1 Jan 2005 | 29 Jun 2015 | British | 67 years |
| Kevin Hardie Lavender | Director | 25 Jul 2002 | 29 Jun 2015 | British | 62 years |
| Leslie Alan Bishop | Director | 23 Jun 2010 | 18 Jul 2013 | British | 64 years |
| Martin Stanley Andrew Ballinger | Director | 3 Sept 1999 | 31 Dec 2004 | British | 83 years |
| Michael John Slattery | Director | 29 Jun 2015 | 18 Apr 2024 | Irish | 59 years |
| Nicholas Swift | Director | 17 Jul 2007 | 7 Mar 2011 | British | 62 years |
| Paul William James Reeves | Director | 20 Oct 1999 | 30 Dec 2001 | British | 73 years |
| Peter Larking | Director | 1 Feb 1991 | 30 Jun 2001 | British | 71 years |
| Peter Larking | Secretary | 1 Feb 1991 | 3 Sept 1999 | British | - |
| Richard Harrington | Director | 29 Jun 2015 | 1 Aug 2023 | British | 59 years |
| Sam Joseph Sawers | Director | 3 Jun 2024 | 19 Sept 2024 | New Zealander | 38 years |
| Simon Patrick Butcher | Director | 14 Mar 2016 | 30 Nov 2018 | British | 59 years |
| Stephen Noel Perks | Director | 5 Jan 2004 | 20 Oct 2005 | British | 62 years |
| Thomas Guy Joyner | Director | 3 Jun 2024 | 31 Jan 2025 | British,south African | 52 years |