| Andrew Sean Castell | Director | 25 Mar 2011 | 7 Jun 2013 | British | 58 years |
| Bernhard Bruggaier | Director | 22 Jan 2015 | 30 Sept 2020 | German | 65 years |
| Brendan Seamus Ryan | Director | 12 Sept 2013 | 31 Mar 2016 | American | 67 years |
| Brian Reid Ltd. | Corporate Nominee Secretary | 13 Sept 2000 | 13 Sept 2000 | United Kingdom | - |
| Dianne Brown | Director | 15 Aug 2003 | 7 Jun 2013 | British | 61 years |
| Dianne Brown | Secretary | 13 Sept 2000 | 15 Aug 2003 | British | - |
| Douglas John Brown | Director | 13 Sept 2000 | 7 Apr 2015 | British | 63 years |
| Irene Hawthorn | Secretary | 3 Oct 2006 | 7 Jun 2013 | British | - |
| James Hoey | Director | 1 Jul 2001 | 15 Aug 2003 | British | 64 years |
| John Andrew Wilson | Director | 7 Jun 2013 | 26 Aug 2013 | British | 42 years |
| Margaret Pryke | Secretary | 28 Jun 2005 | 3 Oct 2006 | British | - |
| Martin Christopher O'carroll | Director | 7 Jun 2013 | 22 Jan 2015 | Irish | 67 years |
| Mbm Secretarial Services Limited | Corporate Secretary | 15 Aug 2003 | 28 Jun 2005 | United Kingdom | - |
| Paul Anthony Smith | Director | 19 Sept 2018 | 30 Sept 2020 | British | 52 years |
| Stephen Mabbott Ltd. | Corporate Nominee Director | 13 Sept 2000 | 13 Sept 2000 | United Kingdom | - |
| Steven Bruce Williamson | Director | 12 Sept 2013 | 22 Jan 2015 | American | 58 years |
| Stronachs Secretaries Limited | Corporate Secretary | 7 Jun 2013 | 22 Jan 2015 | United Kingdom | - |
| Stuart Cameron | Director | 15 Nov 2016 | 19 Sept 2018 | British | 52 years |
| William Miller | Director | 5 Apr 2010 | 22 Jan 2015 | British | 70 years |
