| Charles Henry Knight | Director | 11 Jun 2015 | 30 Nov 2015 | British | 60 years |
| Dominic Zammit | Director | 5 Nov 2024 | 16 Sept 2025 | British | 37 years |
| Dominic Zammit | Director | 5 Nov 2024 | 5 Nov 2024 | British | 37 years |
| Hannah Elizabeth Mccarthy | Director | 11 Feb 2020 | 16 Sept 2025 | British | 46 years |
| Leopold Sinclair Tetley Hall | Director | 19 May 2015 | 21 May 2015 | British | 42 years |
| Leopold Sinclair Tetley Hall | Director | 11 Jun 2015 | 30 Nov 2015 | British | 42 years |
| Michael Andrew Charles Prideaux | Director | 19 May 2015 | 5 Nov 2024 | British | 55 years |
| Richard John Reddyhoff | Director | 21 May 2015 | 30 Jun 2023 | British | 74 years |