| Andrew Ross | Director | 28 Apr 2017 | 30 Apr 2021 | British | 49 years |
| Darren William Forshaw | Director | 28 May 2014 | 24 Oct 2014 | British | 54 years |
| David Isaacs | Director | 21 Dec 2023 | 21 Mar 2025 | British | 38 years |
| Garry Wilson | Director | 28 May 2014 | 24 Oct 2014 | British | 59 years |
| Garry Wilson | Director | 1 Apr 2016 | 28 Apr 2017 | British | 59 years |
| Gary Martin Stokes | Director | 1 Jan 2021 | 30 Nov 2022 | British | 65 years |
| James Christopher Michael Woolley | Director | 30 Apr 2021 | 21 Dec 2023 | British | 49 years |
| John Andrew Walter Samuel | Director | 1 Nov 2014 | 27 May 2016 | British | 74 years |
| John Samuel | Director | 27 Oct 2014 | 27 Oct 2014 | British | 70 years |
| John Stephen Burkill | Director | 24 Oct 2014 | 18 Dec 2015 | British | 59 years |
| Kenneth Andrew Williamson | Director | 19 Jun 2017 | 11 Jun 2020 | British | 64 years |
| Lorna Kathleen Mendelsohn | Secretary | 10 Nov 2014 | 30 Jul 2020 | - | - |
| Mathew William Deering | Director | 5 Aug 2014 | 4 Oct 2019 | British | 49 years |
| Niamh Maria Buckley | Director | 22 Apr 2024 | 24 Mar 2025 | British | 33 years |
| Peter John Yendell | Director | 5 Aug 2014 | 1 Apr 2016 | British | 63 years |
| Robert Rolph Baldrey | Director | 24 Oct 2014 | 13 Apr 2016 | British | 62 years |
| Stephen Haworth | Director | 24 Oct 2014 | 12 Dec 2022 | British | 56 years |
| Stephen Thomson | Director | 1 Aug 2016 | 30 Jul 2020 | British | 67 years |