| Alastair Bradshaw | Secretary | 16 Dec 2011 | 3 Mar 2014 | - | - |
| Alexandra Dadd | Secretary | 30 Jul 2008 | 30 Jan 2009 | Other | - |
| Anthony Roy Foster | Secretary | 13 Apr 2006 | 15 Feb 2008 | British | - |
| Anthony William Pidgley | Director | 12 Jan 2016 | 26 Jun 2020 | British | 78 years |
| Benjamin James Marks | Director | 16 Dec 2011 | 21 Dec 2015 | British | 48 years |
| David Anthony Fox | Director | 9 Jan 2008 | 6 Jun 2022 | British | 58 years |
| David Martin Lowry | Director | 21 Dec 2015 | 31 Jul 2020 | British | 44 years |
| Elaine Anne Driver | Secretary | 3 Mar 2014 | 8 Aug 2016 | - | - |
| Elizabeth Taylor | Secretary | 4 Jun 2004 | 30 Sept 2005 | British | - |
| Gemma Parsons | Secretary | 8 Aug 2016 | 4 May 2018 | - | - |
| Jared Stephen Philip Cranney | Secretary | 4 May 2018 | 21 Oct 2019 | - | - |
| John James Anderson | Director | 18 Jun 2007 | 19 Aug 2016 | British | 73 years |
| Mark Aylward | Director | 27 Feb 2008 | 30 May 2008 | British | 61 years |
| Mark Davies Dickinson | Director | 3 Aug 2005 | 18 Jun 2007 | British | 57 years |
| Paddy Brice | Director | 14 Jun 2004 | 31 Oct 2006 | British | 56 years |
| Richard James Stearn | Director | 4 Jun 2004 | 16 Dec 2011 | British | 57 years |
| Richard James Stearn | Secretary | 30 Jan 2009 | 16 Dec 2011 | British | - |
| Robert Charles Grenville Perrins | Secretary | 15 Feb 2008 | 30 Jul 2008 | British | - |
| Roger St John Hulton Lewis | Director | 4 Jun 2004 | 31 Jul 2007 | British | 78 years |
| Stephen Anthony Bangs | Director | 14 Jun 2004 | 31 Mar 2008 | British | 59 years |
