| Alan Leonard Whitnall | Secretary | 20 Jul 1999 | 29 May 2009 | British | - |
| Alistair Bryan-jones | Director | 25 Nov 2009 | 13 Jun 2013 | British | 52 years |
| Andrew Jacques Levy | Director | 5 Oct 2010 | 30 Jun 2019 | British | 63 years |
| Clare Alice Wilson | Nominee Director | 11 Jun 1999 | 20 Jul 1999 | British | 61 years |
| Colin Brown | Director | 4 Oct 2010 | 31 May 2019 | British | 58 years |
| Diane June Penfold | Director | 11 Jun 1999 | 20 Jul 1999 | British | 61 years |
| Keith Robertson Cochrane | Director | 20 Jul 1999 | 28 Mar 2002 | British | 61 years |
| Martin Andrew Griffiths | Director | 20 Jul 1999 | 28 Mar 2002 | British | 60 years |
| Michael John Vaux | Director | 31 May 2019 | 30 Jul 2024 | British | 55 years |
| Michael John Vaux | Secretary | 29 May 2009 | 30 Jul 2024 | British | - |
| Nicholas Leigh Guest | Director | 20 Jul 1999 | 28 Mar 2002 | British | 60 years |
| Nicholas Leigh Guest | Director | 30 Dec 2004 | 12 Sept 2007 | British | 60 years |
| Nicola Susan Mary Salmond | Director | 1 Sept 2004 | 12 Feb 2010 | British | 50 years |
| Office Organization & Services Limited | Corporate Secretary | 7 Jul 1999 | 20 Jul 1999 | United Kingdom | - |
| Robert Arthur Benns | Director | 4 Oct 2010 | 16 Sept 2016 | British | 58 years |
| Ross John Paterson | Director | 1 Feb 2000 | 1 Sept 2004 | British | 55 years |
| Swift Incorporations Limited | Corporate Nominee Secretary | 11 Jun 1999 | 7 Jul 1999 | United Kingdom | - |