| Alastair Bradshaw | Secretary | 16 Dec 2011 | 3 Mar 2014 | - | - |
| Alexandra Dadd | Secretary | 30 Jul 2008 | 30 Jan 2009 | Other | - |
| Allen Edmond Michaels | Director | 29 May 2015 | 13 Oct 2021 | British | 44 years |
| Angus James Michie | Director | 7 Mar 2012 | 14 Feb 2019 | British | 59 years |
| Anthony Roy Foster | Secretary | 13 Apr 2006 | 15 Feb 2008 | British | - |
| Anthony William Pidgley | Director | 7 Mar 2012 | 26 Jun 2020 | British | 78 years |
| Benjamin James Marks | Director | 16 Dec 2011 | 23 Nov 2012 | British | 48 years |
| Brendan Sean Twomey | Director | 7 Mar 2012 | 31 Oct 2017 | Irish | 62 years |
| Dexter Whiting | Director | 23 Jul 2015 | 13 May 2020 | British | 47 years |
| Elaine Anne Driver | Secretary | 3 Mar 2014 | 8 Aug 2016 | - | - |
| Elizabeth Taylor | Secretary | 15 Sept 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 |
| Nigel Graham Davis | Director | 7 Mar 2012 | 29 Jul 2014 | British | 57 years |
| Richard James Stearn | Director | 15 Sept 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 | 15 Sept 2004 | 31 Jul 2007 | British | 78 years |
| Simon Piers Howard | Director | 29 Jul 2014 | 14 Jul 2021 | British | 51 years |
| Stephen Leslie Richards | Director | 7 Mar 2012 | 29 Jul 2014 | British | 71 years |
| Stephen Philip Gorman | Director | 7 Mar 2012 | 3 Nov 2015 | British | 52 years |
| Thomas Anthony Lewis Olsen | Director | 29 Jul 2014 | 29 May 2015 | British | 49 years |
