| Alan Victor Preece | Director | 11 May 2016 | 13 Sept 2017 | British | 68 years |
| Andrew Fitzmaurice | Director | 31 Mar 2021 | 28 Oct 2025 | British | 66 years |
| Antonius Jacobus Cornelis Van Vilsteren | Director | 31 Mar 2021 | 4 Apr 2025 | Dutch | 56 years |
| Christopher John Spanoudakis | Director | 21 Mar 2014 | 31 Mar 2021 | British | 61 years |
| David Charles Brown | Director | 21 Mar 2014 | 31 Mar 2021 | British | 64 years |
| Fiona Keddie | Secretary | 23 Feb 2023 | 28 Oct 2025 | - | - |
| Lil Gabriela Bremermann-richard | Director | 18 Oct 2017 | 31 Mar 2021 | British | 47 years |
| Mark Salter | Director | 31 Jan 2014 | 30 Jul 2015 | British | 60 years |
| Mark Stanton | Director | 18 Oct 2017 | 31 Dec 2018 | British | 63 years |
| Michael Kevin Peter Grassby | Director | 30 Jul 2015 | 31 Mar 2021 | British | 65 years |
| Robert St George Darell | Director | 21 Mar 2014 | 31 Mar 2021 | British | 60 years |
| Simon Mark Peter Adcock | Director | 1 Mar 2019 | 31 Mar 2021 | British | 51 years |
| Tom De Clerck | Director | 29 Nov 2019 | 31 Mar 2021 | British | 57 years |
| Tom Shelford | Director | 31 Jan 2014 | 1 Mar 2019 | British | 46 years |
| Vishal Verma | Director | 18 Oct 2017 | 29 Nov 2019 | British | 48 years |