| Andrew Charles Appleyard | Director | 7 Jan 2014 | 12 Sept 2017 | British | 61 years |
| Barry Steven Hill | Director | 29 Jul 2014 | 12 Sept 2017 | British | 56 years |
| Charles William Grant Herriott | Director | 23 Mar 2021 | 1 Dec 2022 | British | 40 years |
| Chris James Wentworth Laxton | Director | 6 Jul 2012 | 15 Sept 2012 | British | 66 years |
| Daniel Martin Green | Director | 1 Jul 2010 | 6 Jul 2012 | British | 60 years |
| Darryl Guy Murphy | Director | 12 Sept 2017 | 24 Jan 2020 | British | 60 years |
| David Alexandre Simon Dahan | Director | 15 Sept 2012 | 29 Jul 2014 | French | 57 years |
| David Stephen Skinner | Director | 6 Jul 2012 | 12 Sept 2017 | British | 57 years |
| Fergus James Helliwell | Director | 12 Sept 2017 | 26 Jan 2021 | British | 45 years |
| Ian Shervell | Director | 12 Sept 2017 | 4 Aug 2021 | English | 48 years |
| Ian Shervell | Director | 4 Aug 2021 | 1 Dec 2022 | British | 48 years |
| Isaac Fidalgo Da Costa Vaz Rahimo | Director | 24 Jan 2020 | 4 Aug 2021 | Portuguese | 43 years |
| Jolanta Touzard | Director | 4 Aug 2021 | 1 Dec 2022 | British | 50 years |
| Margarida Torroais Albuquerque Leal | Director | 27 Jun 2023 | 1 Sept 2025 | Portuguese | 37 years |
| Richard Peter Jones | Director | 6 Jul 2012 | 7 Jan 2014 | British | 65 years |
| William George Sneyd | Director | 1 Jul 2010 | 6 Jul 2012 | British | 57 years |
