| Adam Elliott | Director | 31 Dec 2013 | 24 Apr 2014 | British | 61 years |
| Adrian Robert Dishington | Director | 17 Apr 2014 | 1 Aug 2018 | British | 54 years |
| Alan Alexander Duff | Director | 2 Oct 2002 | 31 Dec 2013 | British | 59 years |
| Chris Steven Verros | Director | 2 Sept 2014 | 10 May 2018 | American | 68 years |
| Christopher John Bray | Director | 27 Dec 2017 | 17 Dec 2021 | British | 55 years |
| Christopher Peter Robinson | Director | 2 Oct 2002 | 31 Dec 2013 | British | 75 years |
| Christopher Peter Robinson | Secretary | 24 Jun 2003 | 31 Dec 2013 | British | - |
| Desmond Gerard Hague | Director | 31 Dec 2013 | 2 Sept 2014 | American | 59 years |
| Hadi K. Monavar | Director | 31 Dec 2013 | 10 May 2018 | American | 62 years |
| Hbj Secretarial Limited | Corporate Nominee Secretary | 17 Jul 2002 | 24 Jun 2003 | - | - |
| Henderson Boyd Jackson Limited | Corporate Nominee Director | 17 Jul 2002 | 2 Oct 2002 | - | - |
| Ian D'annunzio Green | Director | 2 Oct 2002 | 29 Apr 2015 | British | 60 years |
| Keith Baxter Willson King | Director | 31 Dec 2013 | 27 Dec 2017 | American | 60 years |
| Keith Baxter Willson King | Secretary | 31 Dec 2013 | 27 Dec 2017 | - | - |
| Laurent Paul Joseph Arnaudo | Director | 27 Dec 2017 | 1 Nov 2019 | French | 59 years |
| Mark Ross Miller | Director | 2 Oct 2002 | 31 Dec 2013 | British | 60 years |
| Rebecca Kane Burton | Director | 14 Dec 2022 | 30 Nov 2023 | British | 51 years |
| Robert Stern | Director | 27 Dec 2017 | 31 Aug 2018 | American | 68 years |
| Sean Michael Haley | Director | 27 Dec 2017 | 31 Dec 2024 | British | 56 years |
| Susanna Marion Kitcher | Director | 2 Feb 2022 | 14 Dec 2022 | British | 57 years |