| Bryan Eric Field | Director | 6 Aug 2007 | 25 Feb 2012 | British | 71 years |
| Bryan Eric Field | Secretary | 6 Aug 2007 | 8 Jun 2012 | British | - |
| Geoffrey Robson | Director | 20 Dec 2016 | 18 Jul 2023 | British | 71 years |
| Remus Management Ltd | Corporate Secretary | 21 Feb 2008 | 12 Nov 2024 | United Kingdom | - |
| Robert Michael David Grieve | Director | 6 Aug 2007 | 21 Dec 2016 | British | 55 years |
| Rowan Formations Limited | Corporate Nominee Director | 4 Feb 2005 | 6 Aug 2007 | United Kingdom | - |
| Rowansec Limited | Corporate Nominee Director | 4 Feb 2005 | 6 Aug 2007 | United Kingdom | - |
| Rowansec Limited | Corporate Nominee Secretary | 4 Feb 2005 | 6 Aug 2007 | United Kingdom | - |