| Austen Paul Hamilton | Director | 30 Sept 2004 | 3 Apr 2006 | British | 77 years |
| Austen Paul Hamilton | Secretary | 14 Dec 2005 | 26 Feb 2013 | British | - |
| Charles Duncan Boughton | Director | 25 Jan 2000 | 3 Feb 2023 | British | 85 years |
| Charles Michael Conner | Director | 3 Apr 2006 | 23 Feb 2010 | British | 74 years |
| Claire Judith Bicknell Kirby | Secretary | 25 Jan 2000 | 14 Dec 2005 | British | - |
| Matthew Derek George Ridley | Director | 18 Aug 2011 | 10 May 2021 | British | 48 years |
| Stephen John Read | Director | 23 Feb 2010 | 18 Aug 2011 | British | 52 years |
| Timothy John Kirby | Director | 30 Sept 2004 | 26 Feb 2013 | British | 72 years |
| Tr Fenpower Limited | Corporate Director | 26 Feb 2013 | 14 Mar 2016 | United Kingdom | - |
| Victoria Joan Boughton | Director | 25 Jan 2000 | 3 Apr 2006 | British | 82 years |
| York Place Company Nominees Limited | Corporate Nominee Director | 4 Oct 1999 | 25 Jan 2000 | United Kingdom | - |
| York Place Company Secretaries Limited | Corporate Nominee Secretary | 4 Oct 1999 | 25 Jan 2000 | United Kingdom | - |