| Andrew Richard Woodhead | Director | 23 Apr 2008 | 20 Jul 2012 | British | 70 years |
| Antonius Adrianus Verberne | Director | 1 Apr 2020 | 10 Oct 2024 | Dutch | 54 years |
| Carolyn Ann Gibson | Secretary | 1 Feb 2007 | 30 Apr 2008 | British | - |
| Christopher Anthony Mcdonagh | Director | 1 Aug 1998 | 8 Feb 2000 | British | 53 years |
| Christopher Surch | Director | 1 May 2009 | 26 Aug 2012 | British | 65 years |
| Darren Stockley | Director | 29 Apr 2004 | 31 Jul 2009 | British | 57 years |
| David John Downes | Director | 14 Feb 2000 | 31 Dec 2005 | British | 81 years |
| David Kevin Mulligan | Director | 1 Jan 2014 | 31 Dec 2015 | British | 57 years |
| Dominic Pieter James Murray | Secretary | 1 Jun 2023 | 10 Oct 2024 | - | - |
| Elizabeth Mary Bayley | Director | 1 Apr 2013 | 31 Dec 2013 | British | 54 years |
| Fraser Andrew Norton Welham | Director | 1 Jan 2006 | 27 May 2009 | British | 62 years |
| Huw Rhys Lewis | Director | 1 Apr 2010 | 30 Apr 2012 | British | 66 years |
| Ian Frederick Goodfellow | Director | 29 Apr 2004 | 31 Mar 2013 | British | 72 years |
| James Austin Priestley | Director | 15 Nov 2016 | 31 Mar 2024 | British | 63 years |
| James Robert Meredith | Director | 14 Feb 2000 | 31 Mar 2003 | British | 66 years |
| Jane Leslie King | Secretary | 14 Feb 2000 | 29 Nov 2000 | British | - |
| Jeremy John Cobbett Simpson | Director | 1 Aug 2011 | 31 Mar 2014 | British | 55 years |
| Mark Ian Saunders | Director | 1 Jul 2009 | 31 Jul 2011 | British | 58 years |
| Matthew Paul Williams | Director | 1 Aug 2016 | 15 Dec 2016 | British | 68 years |
| Michael Andrew Turner | Director | 1 Apr 2011 | 14 Nov 2018 | British | 59 years |
| Michael Brian Dunn | Director | 23 Apr 2008 | 22 Apr 2010 | British | 65 years |
| Michael Charles Edward Averill | Director | 14 Feb 2000 | 30 Sept 2007 | British | 75 years |
| Michael James Clarke | Director | 14 Feb 2000 | 30 Apr 2005 | British | 68 years |
| Neil Rowland Miles | Director | 1 Jul 2016 | 31 Mar 2020 | British | 56 years |
| Nigel Ian Aitchison | Director | 27 Apr 2006 | 23 Apr 2008 | British | 58 years |
| Patricia Ann Mcdonagh | Director | 8 Jun 1991 | 23 Sept 1998 | British | 80 years |
| Paul Frederek Holmes | Director | 1 Aug 2011 | 31 Mar 2013 | British | 55 years |
| Paul Kaye | Secretary | 30 Sept 2004 | 31 Jan 2007 | British | - |
| Paul Martin Mcdonagh | Director | 1 Aug 1998 | 8 Feb 2000 | British | 55 years |
| Paul Martin Mcdonagh | Secretary | 23 Sept 1998 | 14 Feb 2000 | British | - |
| Paul Valentine Mcdonald | Director | 8 Jun 1991 | 8 Feb 2000 | British | 61 years |
| Paul Valentine Mcdonald | Secretary | 8 Jun 1991 | 13 Feb 1997 | British | - |
| Peter Damian Eglinton | Director | 15 Apr 2013 | 15 Jul 2016 | British | 57 years |
| Peter Richard Armstrong | Director | 1 Jan 2016 | 1 Feb 2017 | British | 64 years |
| Philip Bernard Griffin-smith | Secretary | 1 May 2008 | 31 May 2023 | British | - |
| Robin Bruce Stevenson | Director | 1 Apr 2011 | 25 Sept 2012 | British | 58 years |
| Roger Edward Coulson | Director | 8 Jun 1991 | 30 Apr 1993 | British | 78 years |
| Sara Philipa Cannon | Secretary | 30 Nov 2000 | 30 Sept 2004 | British | - |
| Sylvester Christopher Patrick Mcdonagh | Director | 8 Jun 1991 | 14 Feb 2000 | British | 79 years |
| Sylvester Christopher Patrick Mcdonagh | Secretary | 13 Feb 1997 | 23 Sept 1998 | British | - |
| Thomas Waterworth Drury | Director | 1 Oct 2007 | 30 Sept 2011 | British/canadian | 65 years |
| Toby Richard Woolrych | Director | 27 Aug 2012 | 31 Mar 2022 | British | 60 years |
