| Andrew Rodney Wickham | Director | 3 Feb 2017 | 25 May 2025 | British | 60 years |
| Barbara Doreen Brettell | Director | 12 Nov 1992 | 10 Dec 2001 | British | 99 years |
| Bernard Andrew Beauchamp | Director | 18 Mar 2008 | 3 Jan 2013 | British | 79 years |
| Christian Schreyer | Director | 5 Nov 2021 | 13 Oct 2022 | German | 58 years |
| Christopher Conran Irwin | Director | 9 Feb 2006 | 18 Dec 2012 | British | 78 years |
| Clifford Connor | Secretary | 1 Apr 2005 | 3 Feb 2017 | British | - |
| Clifford Connor | Director | 1 Jun 2013 | 4 Feb 2017 | British | 70 years |
| Colin Lovell | Director | 22 Jun 2010 | 1 Feb 2017 | British | 65 years |
| Dale Heenan | Director | 21 Jan 2007 | 22 Jun 2010 | British | 46 years |
| Dale James Heenan | Director | 16 Dec 2014 | 15 Mar 2016 | British | 46 years |
| David Allen Brown | Director | 3 Feb 2017 | 5 Nov 2021 | British | 66 years |
| David Andrew Hall | Director | 11 Mar 2013 | 15 Mar 2016 | British | 73 years |
| David Gordon James Burch | Director | 12 Nov 1992 | 8 Aug 2014 | British | 74 years |
| David William Wren | Director | 19 Dec 2006 | 19 Jun 2007 | British | 78 years |
| Edward John Andrew Wills | Director | 23 Feb 2017 | 17 Feb 2018 | British | 46 years |
| Elodie Marie Francoise Brian | Director | 5 Jun 2019 | 27 Sept 2021 | French | 47 years |
| Fionuala Mary Foley | Director | 14 Jun 2011 | 17 Jun 2014 | British | 60 years |
| Gordon Alexander Boyd | Director | 28 Sept 2021 | 28 Mar 2022 | British | 66 years |
| Gordon Hedley Frost | Director | 18 Aug 2014 | 31 May 2015 | British | 59 years |
| Graham William Cooper | Director | 12 Nov 1992 | 31 Aug 2005 | British | 80 years |
| Graham William Cooper | Secretary | 12 Nov 1992 | 31 Mar 2005 | British | - |
| Ian Michael Dobie | Director | 10 Dec 2001 | 14 Jun 2011 | British | 80 years |
| John Owen | Director | 12 Nov 1992 | 20 Jun 2006 | British | 80 years |
| John Summers | Director | 17 Sept 1996 | 16 Oct 2001 | British | 91 years |
| Keith Robert Williams | Director | 17 Jun 2008 | 17 Jun 2014 | British | 55 years |
| Kevan Patrick Wildy | Director | 12 Nov 1992 | 18 Jun 1996 | British | 77 years |
| Kevan Patrick Wildy | Director | 20 Oct 1998 | 12 Jun 2012 | British | 77 years |
| Lee Dale East | Director | 12 Nov 1992 | 18 Jun 1996 | British | 61 years |
| Leslie Alan Vincent | Director | 16 Oct 2001 | 18 Mar 2008 | British | 82 years |
| Mark Bryan Stephenson | Director | 12 Nov 1992 | 28 Jul 1996 | British | 65 years |
| Michael Bertram Bawden | Director | 15 Mar 2016 | 1 Feb 2017 | British | 86 years |
| Michael Joseph Naughton | Director | 17 Dec 1996 | 20 Dec 2005 | Irish | 95 years |
| Michelle Howard | Director | 17 Dec 2013 | 1 Feb 2017 | British | 60 years |
| Nicholas David Martin | Director | 17 Jun 2014 | 1 Feb 2017 | British | 75 years |
| Nigel Allen Mason | Director | 1 Jan 1999 | 31 May 2013 | British | 71 years |
| Paul Adrian Banham | Director | 15 Mar 2016 | 1 Feb 2017 | British | 68 years |
| Paul Richard Jenkins | Director | 20 Jun 2006 | 4 Feb 2017 | British | 70 years |
| Percy Lawrence Jefferies | Director | 12 Nov 1992 | 14 Oct 2003 | British | 106 years |
| Peter Charles Edward Bacon | Director | 12 Nov 1992 | 17 Sept 1996 | British | 81 years |
| Peter Mark Oliver | Director | 1 Jun 2015 | 2 Feb 2017 | British | 56 years |
| Peter Nicholas Greenhalgh | Director | 18 Sept 2007 | 12 Jun 2012 | British | 60 years |
| Raymond Clifford Williams | Director | 18 Jun 1996 | 20 Oct 1998 | British | 93 years |
| Robert Dean Meacham | Director | 12 Jun 2012 | 21 Jan 2014 | British | 46 years |
| Robert Peter Pixton | Director | 20 Dec 1999 | 10 Dec 2001 | British | 79 years |
| Simon Patrick Butcher | Director | 3 Feb 2017 | 30 Nov 2018 | British | 59 years |
| Stanley James Pajak | Director | 10 Dec 2001 | 19 Dec 2006 | British | 69 years |
| Stephen Raymond Allsopp | Director | 12 Nov 1992 | 17 Jun 2008 | British | 74 years |
| Stephen Raymond Allsopp | Director | 12 Jun 2012 | 2 Feb 2017 | British | 74 years |
| Valerie Patterson | Director | 12 Nov 1992 | 19 Oct 1999 | British | 68 years |