| Alastair Bradshaw | Secretary | 16 Dec 2011 | 3 Mar 2014 | - | - |
| Alexandra Dadd | Secretary | 30 Jul 2008 | 30 Jan 2009 | Other | - |
| Andrew Gavan Jinks | Director | 17 May 2004 | 13 Sept 2005 | British | 74 years |
| Anthony Roy Foster | Director | 26 Jun 2001 | 9 Sept 2002 | British | 61 years |
| Anthony Roy Foster | Secretary | 4 Mar 2006 | 15 Feb 2008 | British | - |
| Anthony William Pidgley | Director | 25 Mar 2015 | 26 Jun 2020 | British | 78 years |
| Benjamin James Marks | Director | 16 Dec 2011 | 21 Dec 2015 | British | 48 years |
| Claire Puttergill | Secretary | 15 Jun 2000 | 17 Oct 2003 | British | - |
| David Brookes | Director | 1 Apr 2003 | 21 May 2004 | British | 59 years |
| David Henry Martin | Director | 15 Jun 2000 | 26 Jun 2001 | British | 75 years |
| David John Walker | Director | 1 Apr 2003 | 26 Aug 2003 | British | 66 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 | 1 Feb 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 | - | - |
| Nicolas Guy Simpkin | Director | 15 Jan 2010 | 23 Sept 2015 | British | 56 years |
| Richard James Stearn | Director | 9 Sept 2002 | 1 Apr 2003 | British | 57 years |
| Richard James Stearn | Director | 27 Sept 2005 | 16 Dec 2011 | British | 57 years |
| Richard James Stearn | Secretary | 30 Jan 2009 | 16 Dec 2011 | British | - |
| Richard Justin Starkey | Director | 24 Sept 2003 | 13 Sept 2005 | British | 64 years |
| Robert Charles Grenville Perrins | Secretary | 15 Feb 2008 | 30 Jul 2008 | British | - |
| Roger St John Hulton Lewis | Director | 15 Jun 2000 | 1 Apr 2003 | British | 78 years |
| Roger St John Hulton Lewis | Director | 13 Sept 2005 | 31 Jul 2007 | British | 78 years |
