| Alan Christopher Thompson | Director | 20 Feb 2009 | 20 Sept 2009 | British | 77 years |
| Barbara Mary Richmond | Director | 30 Jan 2012 | 21 Aug 2025 | British | 66 years |
| Bethany Ford | Secretary | 30 Nov 2023 | 31 Jul 2025 | - | - |
| Graham Anthony Cope | Secretary | 31 Dec 2015 | 30 Nov 2023 | - | - |
| Jennifer Daly | Director | 20 Sept 2009 | 9 May 2014 | British | 56 years |
| Jonathan Roderick Charles Masters | Director | 23 Nov 2010 | 4 Jul 2011 | British | 67 years |
| Matthew John Pratt | Director | 5 Nov 2024 | 1 Jul 2025 | British | 51 years |
| Michael James Riding | Director | 28 Feb 2013 | 30 Jun 2018 | British | 65 years |
| Paul Matthew Raftery | Nominee Secretary | 20 Feb 2009 | 20 Sept 2009 | British | - |
| Peter Marsden | Director | 24 Aug 2015 | 30 Sept 2019 | British | 47 years |
| Stephen Peter Morgan | Director | 20 Sept 2009 | 31 Mar 2019 | British | 74 years |
| Vincent William Fairclough | Secretary | 23 Oct 2009 | 31 Dec 2015 | British | - |
| Vincent William Fairclough | Director | 20 Sept 2009 | 31 Dec 2015 | British | 76 years |
| William Robert Heath | Director | 12 Oct 2017 | 1 Dec 2020 | British | 47 years |