| Alistair Crockett | Director | 1 May 2007 | 18 Jul 2008 | British | 69 years |
| Andrew John Lonie | Director | 1 May 2007 | 30 Nov 2022 | British | 61 years |
| Brian George Tasker | Director | 23 Oct 2007 | 25 Jan 2013 | British | 77 years |
| Burness Paull Llp | Corporate Secretary | 30 Oct 2015 | 28 May 2020 | United Kingdom | - |
| Dennis Watson Watt | Director | 28 Oct 2008 | 28 Jun 2019 | British | 75 years |
| Edward Higgins | Director | 1 May 2007 | 28 May 2008 | British | 52 years |
| Hms Secretaries Limited | Corporate Secretary | 22 Jul 2020 | 29 Feb 2024 | United Kingdom | - |
| James Clarke Graham Johnston | Director | 23 Oct 2007 | 18 Jul 2008 | British | 79 years |
| Michael Luigi Peter Zanre | Director | 26 Feb 2007 | 28 May 2020 | British | 79 years |
| Michael Luigi Peter Zanre | Secretary | 26 Feb 2007 | 30 Oct 2015 | British | - |
| Roy Smith Dryburgh | Director | 23 Oct 2007 | 31 Aug 2016 | British | 69 years |
| William Martin Bruce | Director | 26 Feb 2007 | 31 Dec 2022 | British | 62 years |