| Alan Joseph Korn | Director | 19 Dec 2001 | 30 Nov 2003 | British | 87 years |
| Allyson Mary Teresa Ablett | Secretary | 28 Jul 2004 | 31 Dec 2008 | British | - |
| Andrew John Walker | Director | 5 Jan 2009 | 8 Jul 2013 | British | 74 years |
| Andrew Peter Sleigh | Director | 1 Aug 2013 | 27 May 2015 | British | 61 years |
| Bethan Melges | Secretary | 16 Jul 2015 | 9 Sept 2019 | - | - |
| Claudio Veritiero | Director | 8 Jul 2013 | 17 Feb 2014 | British | 52 years |
| Clive Thomas | Director | 6 Jun 2022 | 31 Mar 2023 | British | 59 years |
| David Allistair Galloway | Director | 26 Mar 2002 | 7 Jul 2010 | British | 80 years |
| David James Wright | Director | 26 Jan 2016 | 30 Sept 2019 | British | 66 years |
| David Neville Benson | Director | 9 Mar 2015 | 9 Oct 2015 | British | 55 years |
| David William Edmund Sterry | Director | 14 Nov 2001 | 6 Jul 2011 | British | 77 years |
| Deborah Pamela Hamilton | Secretary | 8 Jul 2013 | 22 Sept 2014 | - | - |
| Donald William Macdiarmid | Director | 1 Jun 2012 | 8 Jul 2013 | British | 64 years |
| Giuseppe Incutti | Director | 30 Sept 2019 | 7 Jun 2022 | British | 55 years |
| Ishbel Jean Stewart Macpherson | Director | 20 Apr 2010 | 8 Jul 2013 | British | 65 years |
| James Albert Harding | Director | 16 Sept 2003 | 26 Dec 2004 | British | 82 years |
| Jonathan David Wilkinson | Director | 8 Jul 2013 | 16 Oct 2015 | British | 57 years |
| Lee Woodall | Director | 17 Sept 2020 | 28 Feb 2022 | British | 49 years |
| Marcus Faughey Jones | Director | 9 Mar 2015 | 8 Jun 2020 | British | 55 years |
| Margaret Anne Ford | Director | 20 May 2011 | 8 Jul 2013 | British | 68 years |
| Mark Antony Hazlewood | Director | 13 Mar 2012 | 8 Jul 2013 | British | 59 years |
| Matthew Armitage | Secretary | 22 Dec 2014 | 16 Jul 2015 | - | - |
| Matthew Stevens | Director | 9 Dec 2009 | 13 Mar 2012 | British | 56 years |
| Michael Edward Dunn | Director | 27 Sept 2004 | 8 Jan 2010 | British | 57 years |
| Neil John Chidgey | Director | 8 Jul 2013 | 27 May 2015 | British | 63 years |
| Nigel Philip Brook | Director | 9 Mar 2015 | 2 Feb 2016 | British | 67 years |
| Paul Andrew Fletcher | Director | 29 Jan 2016 | 28 Feb 2018 | British | 58 years |
| Philip Higgins | Secretary | 9 Sept 2019 | 24 Sept 2021 | - | - |
| Philip Windover Fellowes-prynne | Director | 14 Apr 2008 | 6 Sept 2012 | British | 63 years |
| Richard David Dean | Director | 20 Nov 2001 | 7 Jul 2008 | British | 66 years |
| Robert Ernest Patrick Browne | Director | 14 Nov 2001 | 5 Aug 2005 | British | 83 years |
| Robert Ernest Patrick Browne | Secretary | 14 Nov 2001 | 28 Jul 2004 | British | - |
| Robert Ian Findlater | Director | 20 Nov 2001 | 7 May 2010 | British | 70 years |
| Simon John Howell | Secretary | 1 Jan 2009 | 8 Jul 2013 | British | - |
| Thomas Lee Foreman | Director | 5 Jun 2020 | 31 Aug 2020 | British | 49 years |
| Timothy Stuart Ross | Director | 26 Mar 2002 | 24 Jul 2012 | British | 77 years |