| Alastair Bradshaw | Secretary | 16 Dec 2011 | 3 Mar 2014 | - | - |
| Alexandra Dadd | Secretary | 30 Jul 2008 | 30 Jan 2009 | Other | - |
| Anthony Roy Foster | Secretary | 3 Mar 2006 | 15 Feb 2008 | British | - |
| Anthony William Pidgley | Director | 23 Mar 2015 | 26 Jun 2020 | British | 78 years |
| Austen Grant Runnicles | Director | 1 May 2014 | 24 Jul 2019 | British | 49 years |
| Benjamin James Marks | Secretary | 9 Sept 2016 | 28 Mar 2019 | - | - |
| Benjamin James Marks | Director | 16 Dec 2011 | 25 Nov 2014 | British | 48 years |
| Benjamin James Marks | Director | 4 Jan 2016 | 28 Mar 2019 | British | 48 years |
| Charlotte Elizabeth Berrington | Director | 11 Mar 2024 | 6 Dec 2024 | British | 35 years |
| Craig John Carson | Director | 30 Jan 2014 | 14 Sept 2018 | British | 47 years |
| Edward Villiers Noble | Director | 1 May 2015 | 24 Jul 2019 | British | 46 years |
| Elaine Anne Driver | Secretary | 3 Mar 2014 | 8 Aug 2016 | - | - |
| Elizabeth Taylor | Secretary | 4 Mar 2005 | 30 Sept 2005 | British | - |
| Gemma Parsons | Secretary | 8 Aug 2016 | 4 May 2018 | - | - |
| Gregory John Fry | Director | 28 Jan 2014 | 31 Dec 2016 | British | 68 years |
| Jared Stephen Philip Cranney | Secretary | 4 May 2018 | 21 Oct 2019 | - | - |
| John Ross Faragher | Director | 28 Jan 2014 | 13 Aug 2015 | British | 62 years |
| Michael Spencer Bryn-jones | Director | 2 Sept 2015 | 12 Jul 2017 | British | 58 years |
| Neil Finlay Bowron | Director | 30 Jan 2014 | 24 Jul 2019 | British | 48 years |
| Nicholas Anthony Hutchings | Director | 30 Jan 2014 | 1 May 2014 | British | 67 years |
| Nicolas Guy Simpkin | Director | 15 Jan 2010 | 23 Sept 2015 | British | 56 years |
| Paul James Hunt | Director | 30 Jan 2014 | 31 Mar 2017 | British | 58 years |
| Paul Roger Kimber | Director | 9 Sept 2016 | 31 May 2019 | British | 48 years |
| Richard James Stearn | Director | 4 Mar 2005 | 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 Mar 2005 | 31 Jul 2007 | British | 78 years |
| Stephen Alan Kirwan | Director | 9 Sept 2016 | 25 Mar 2024 | New Zealander | 51 years |
| Stuart Richard Luck | Secretary | 28 Jan 2014 | 9 Sept 2016 | - | - |
| Stuart Richard Luck | Director | 28 Jan 2014 | 9 Sept 2016 | British | 67 years |
| Timothy Robert Gawthorn | Director | 24 Jul 2019 | 3 Feb 2020 | British | 48 years |
