| Abigail Jane Dunning | Director | 11 Nov 2021 | 15 Feb 2022 | British | 51 years |
| Andrew James Gray Thomson | Director | 26 Apr 2012 | 19 Mar 2014 | British | 59 years |
| Andrew John Berger-north | Director | 26 Apr 2012 | 7 Aug 2020 | British | 65 years |
| Dominic Martin Etienne Page | Director | 15 Feb 2022 | 31 May 2023 | British | 58 years |
| Lawrence Francis Hutchings | Director | 26 Apr 2012 | 28 Sept 2012 | British | 60 years |
| Mark Richard Bourgeois | Director | 30 Apr 2019 | 11 Nov 2021 | British | 58 years |
| Paul Justin Denby | Director | 9 Sept 2020 | 28 Apr 2023 | British | 55 years |
| Peter William Beaumont Cole | Director | 26 Apr 2012 | 30 Apr 2019 | British | 67 years |
| Thomas Cochrane | Director | 7 Aug 2020 | 19 May 2021 | British | 44 years |