| Alastair Bradshaw | Secretary | 16 Dec 2011 | 3 Mar 2014 | - | - |
| Alexandra Dadd | Secretary | 30 Jul 2008 | 30 Jan 2009 | Other | - |
| Andrew Michael Saunders-davies | Director | 15 Jul 2002 | 23 May 2019 | British | 67 years |
| Andrew Nicholas White | Director | 15 Jul 2002 | 27 May 2003 | British | 99 years |
| Angus James Michie | Director | 27 May 2003 | 10 May 2005 | British | 59 years |
| Ann Marie Dibben | Secretary | 6 Jan 2020 | 10 Apr 2024 | - | - |
| Anthony Roy Foster | Secretary | 13 Apr 2006 | 15 Feb 2008 | British | - |
| Anthony William Pidgley | Director | 11 Aug 2004 | 26 Jun 2020 | British | 78 years |
| Christopher Hewetson Payne | Director | 27 May 2003 | 19 Jan 2005 | British | 66 years |
| Claire Puttergill | Secretary | 15 Jul 2002 | 17 Oct 2003 | British | - |
| Elaine Anne Driver | Secretary | 3 Mar 2014 | 8 Aug 2016 | - | - |
| Elizabeth Taylor | Secretary | 1 Feb 2004 | 30 Sept 2005 | British | - |
| Gary John Hodges | Director | 15 Jul 2002 | 31 Dec 2012 | British | 64 years |
| Gavin Vaughan Stewart | Director | 15 Jul 2002 | 2 Dec 2002 | British | 96 years |
| Gemma Parsons | Secretary | 8 Aug 2016 | 4 May 2018 | - | - |
| Guy Richard Wakeley | Director | 27 May 2003 | 31 Mar 2005 | British | 55 years |
| Jared Stephen Philip Cranney | Secretary | 4 May 2018 | 21 Oct 2019 | - | - |
| Julian Paul Hodder | Director | 15 Jul 2002 | 26 Sept 2012 | British | 54 years |
| Julian Paul Hodder | Secretary | 15 Jul 2002 | 7 May 2010 | British | - |
| Nicolas Guy Simpkin | Director | 5 Nov 2009 | 23 Sept 2015 | British | 56 years |
| Patrick Francis Sweetnam | Director | 27 May 2003 | 31 Oct 2003 | British | 74 years |
| Rameen Firoozan | Director | 27 May 2003 | 31 Dec 2016 | British | 61 years |
| Richard James Stearn | Secretary | 7 May 2010 | 16 Dec 2011 | - | - |
| Robert Charles Grenville Perrins | Secretary | 15 Feb 2008 | 30 Jul 2008 | British | - |
| Wendy Joan Pritchard | Secretary | 21 Oct 2019 | 6 Jan 2020 | - | - |
