| Angeliki Maria Exakoustidou | Director | 26 Sept 2022 | 10 Oct 2025 | Greek | 35 years |
| Christopher Mark David Gill | Director | 31 Jul 2020 | 5 May 2023 | British | 41 years |
| David Alexander John Foot | Director | 15 May 2020 | 29 Mar 2022 | British | 58 years |
| Elena Giorgiana Wegener | Director | 31 Oct 2018 | 20 Feb 2019 | British | 51 years |
| John Craig Dundas | Director | 2 Mar 2018 | 1 Jan 2025 | British | 51 years |
| Kevin Stuart Hawkins | Director | 22 Aug 2018 | 31 Jul 2020 | British | 57 years |
| Kevin Stuart Hawkins | Director | 9 Feb 2024 | 1 Jul 2024 | British | 57 years |
| Mark Geoffrey David Holden | Director | 2 Mar 2018 | 4 May 2023 | British | 69 years |
| Natalia Poupard | Director | 20 Feb 2019 | 1 Nov 2019 | British | 49 years |
| Rachel Louise Turnbull | Director | 2 Mar 2018 | 31 Oct 2018 | British | 48 years |
| Richard Simon Muir Clancy | Director | 5 May 2023 | 9 Feb 2024 | British | 61 years |
| Ross William Driver | Director | 2 Mar 2018 | 15 May 2020 | British | 45 years |