| Alastair Bradshaw | Secretary | 16 Dec 2011 | 3 Mar 2014 | - | - |
| Anthony Roy Foster | Secretary | 3 Mar 2006 | 15 Feb 2008 | British | - |
| Anthony William Pidgley | Director | 23 Mar 2015 | 26 Jun 2020 | British | 78 years |
| Benjamin James Marks | Director | 16 Dec 2011 | 21 Dec 2015 | British | 48 years |
| Benjamin James Marks | Director | 18 Nov 2016 | 28 Mar 2019 | British | 48 years |
| David Colm Butler | Director | 1 May 2021 | 24 Oct 2025 | Irish | 41 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 Mar 2005 | 30 Sept 2005 | British | - |
| Gemma Parsons | Secretary | 8 Aug 2016 | 4 May 2018 | - | - |
| Ian Antony Pearcey | Director | 24 Jul 2019 | 10 Aug 2020 | British | 56 years |
| Ian Antony Pearcey | Director | 7 Mar 2022 | 8 Feb 2023 | British | 56 years |
| James Sutton Nettleton Bird | Director | 18 Nov 2016 | 24 Jul 2019 | British | 43 years |
| Jared Stephen Philip Cranney | Secretary | 4 May 2018 | 21 Oct 2019 | - | - |
| Luke James Roderic O'sullivan | Director | 1 Sept 2020 | 30 Sept 2022 | British,irish | 44 years |
| Matthew James Bostock | Director | 18 Nov 2016 | 24 Jul 2019 | British | 42 years |
| Michael Spencer Bryn-jones | Director | 18 Nov 2016 | 12 Jul 2017 | British | 58 years |
| Nicolas Guy Simpkin | Director | 15 Jan 2010 | 16 Dec 2014 | British | 56 years |
| Paul Thomas Robinson | Director | 9 Aug 2019 | 25 Jan 2024 | British | 60 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 Jan 2009 | British | - |
| Roger St John Hulton Lewis | Director | 4 Mar 2005 | 31 Jul 2007 | British | 78 years |
| Stephen Alan Kirwan | Director | 24 Jul 2019 | 25 Mar 2024 | New Zealander | 51 years |
| Timothy Robert Gawthorn | Director | 29 Jan 2019 | 19 Apr 2024 | British | 48 years |
