| Amelia Mary Bright | Director | 7 Jul 2017 | 22 Oct 2020 | British | 40 years |
| Amelia Mary Bright | Director | 1 Jul 2021 | 11 Mar 2022 | British | 40 years |
| Amelia Mary Bright | Director | 10 Oct 2022 | 12 Dec 2024 | British | 40 years |
| Anna Clare Bond | Director | 21 May 2018 | 23 Aug 2019 | British | 45 years |
| Chantal Antonia Henderson | Director | 19 May 2016 | 31 Dec 2019 | British | 51 years |
| Chantal Antonia Henderson | Director | 1 Jul 2020 | 3 Nov 2025 | British | 51 years |
| Craig David Mcwilliam | Director | 19 May 2016 | 10 Jan 2020 | British | 54 years |
| Deborah Clare Lee | Director | 1 Apr 2022 | 10 Oct 2022 | British | 50 years |
| Derek John Lewis | Secretary | 7 Jun 2018 | 31 Mar 2022 | - | - |
| Douglas Nigel Crichton | Director | 7 Jul 2017 | 31 Aug 2020 | British | 50 years |
| James Gilles Raynor | Director | 30 Sept 2019 | 30 Jun 2020 | British | 53 years |
| Jorge Emanuel Mendonca | Director | 7 Jul 2017 | 21 May 2018 | British | 63 years |
| Jorge Emanuel Mendonca | Director | 1 Jul 2020 | 23 Oct 2020 | British | 63 years |
| Katharine Emma Robinson | Secretary | 19 May 2016 | 7 Jun 2018 | - | - |
| Keith John Bailey | Director | 7 Jul 2017 | 31 Dec 2019 | British | 47 years |
| Nigel Auriol Hughes | Director | 7 Jul 2017 | 27 Mar 2019 | British | 69 years |
| Paul Francis O'grady | Director | 7 Jul 2017 | 20 Oct 2023 | British | 41 years |
| Peter Sean Vernon | Director | 19 May 2016 | 31 Dec 2016 | British | 67 years |
| Richard Alexander Jefferies | Director | 7 Jul 2017 | 31 Dec 2019 | British | 63 years |
| Roger Frederick Crawford Blundell | Director | 13 May 2016 | 30 Jun 2020 | British | 64 years |
| Simon Harding-roots | Director | 19 May 2016 | 31 Dec 2019 | British | 58 years |
| Stephanie Frances Ball | Director | 16 Dec 2020 | 31 Dec 2021 | British | 45 years |
| Victoria Joan Stokes Burrows | Director | 13 Dec 2024 | 3 Sept 2025 | British | 39 years |
| William Robert Bax | Director | 7 Jul 2017 | 1 Jun 2018 | British | 48 years |