| Alan Hagdrup | Director | 6 Aug 1991 | 24 Sept 1993 | British | 94 years |
| Alan James Murray | Director | 13 Feb 1998 | 30 Nov 1998 | British | 73 years |
| Andrew James Harrower Dougal | Director | 31 May 1995 | 14 May 2002 | British | 75 years |
| Benjamin John Guyatt | Director | 24 Jun 2011 | 1 Sept 2012 | British | 51 years |
| Benjamin John Guyatt | Director | 1 Mar 2014 | 19 Nov 2014 | British | 51 years |
| Carsten Matthias Wendt | Director | 1 Dec 2016 | 6 Sept 2021 | German | 50 years |
| Christian Leclercq | Director | 2 Jun 2008 | 31 Mar 2010 | Belgian | 61 years |
| Darren Peter Rix | Director | 1 Sept 2012 | 28 Feb 2014 | British | 43 years |
| David John Egan | Director | 1 Jun 2007 | 16 Jun 2008 | British | 59 years |
| David John Szymanski | Director | 1 Jun 2003 | 30 Nov 2009 | British | 72 years |
| David Jonathan Clarke | Director | 12 Sept 2013 | 1 Dec 2016 | British | 52 years |
| David Terrance Walters | Director | 31 Jan 1999 | 30 Jun 2003 | British | 83 years |
| Derek Charles Bonham | Director | 6 Aug 1991 | 30 Sept 1996 | British | 83 years |
| Graham Dransfield | Director | 24 Sept 1993 | 30 Jun 2008 | British | 75 years |
| Graham Dransfield | Secretary | 10 Dec 2007 | 30 Jun 2008 | British | - |
| James Alexander Claydon | Director | 30 Nov 2009 | 1 Sept 2012 | British | 66 years |
| James Christian Hopkins | Director | 5 Apr 1993 | 18 Mar 1998 | British | 67 years |
| James Stuart Whitelaw | Director | 18 Feb 2019 | 4 Sept 2023 | British | 54 years |
| Jeremy Lees Dawes | Director | 9 Feb 2015 | 4 Sept 2023 | British | 60 years |
| Jonathan David Cook | Director | 13 Jun 2008 | 17 May 2011 | British | 49 years |
| Jonathan Peter Morrish | Director | 26 Jan 2001 | 31 Jul 2001 | British | 56 years |
| Justin Richard Read | Director | 14 May 2002 | 28 May 2003 | British | 65 years |
| Leslie Thomas Scales | Director | 17 Jun 1998 | 31 Jan 1999 | British | 89 years |
| Martin Gibbeson Taylor | Director | 6 Aug 1991 | 24 Sept 1993 | British | 91 years |
| Michael John Anthony Cooch | Director | 6 Aug 1991 | 5 Apr 1993 | British | 88 years |
| Michael Philip Lean | Director | 17 Jun 1998 | 15 May 2002 | British | 71 years |
| Nicholas Swift | Director | 28 May 2003 | 1 Jun 2007 | British | 62 years |
| Paul Derek Tunnacliffe | Secretary | 1 Oct 1996 | 10 Dec 2007 | British | - |
| Peter John Faulkner | Director | 17 Jun 1998 | 15 May 2002 | British | 75 years |
| Phillip Keith Redmond | Director | 19 Nov 2014 | 10 Oct 2018 | British | 60 years |
| Richard Edward David Nicholas Garrett | Director | 6 Aug 1991 | 5 Apr 1993 | British | 96 years |
| Richard Robert Gimmler | Director | 1 Oct 2005 | 30 Dec 2009 | British | 59 years |
| Robert Wood | Director | 15 May 2002 | 30 Sept 2005 | British | 60 years |
| Robin Elliott | Director | 5 Apr 1993 | 18 Mar 1998 | British | 77 years |
| Roger Thomas Virley Tyson | Secretary | 31 Jul 2008 | 10 Mar 2016 | British | - |
| Roger Thomas Virley Tyson | Secretary | 6 Aug 1991 | 30 Sept 1996 | British | - |
| Seyda Pirinccioglu | Director | 19 Jul 2010 | 31 Aug 2013 | Turkish | 55 years |
| Simon Lloyd Willis | Director | 10 Oct 2018 | 18 Feb 2019 | British | 61 years |
| Stephen Richard Harrison | Director | 1 Sept 2012 | 19 Nov 2014 | British | 58 years |
| Steven Neville Hardman | Director | 26 Jan 2001 | 31 Jul 2001 | British | 58 years |
| Wendy Jane Trott | Director | 30 Jun 2003 | 24 Dec 2008 | British | 60 years |
| William Modest Landuyt | Director | 24 Sept 1993 | 31 May 1995 | Usa Citizen | 71 years |