| Alan John Goldby | Director | 1 Oct 2007 | 31 Dec 2009 | British | 77 years |
| Andrew Christopher John Noble | Director | 1 Aug 2016 | 2 Mar 2017 | British | 65 years |
| Cornhill Secretaries Limited | Corporate Nominee Secretary | 18 May 1991 | 8 Sept 1994 | United Kingdom | - |
| David Mark Anderson | Director | 18 May 1991 | 1 Oct 2007 | Australian | 70 years |
| David Marsh | Director | 13 Aug 2012 | 1 Aug 2016 | British | 64 years |
| Geoffrey Beale | Director | 1 Mar 1993 | 14 Aug 1995 | British | 72 years |
| Geoffrey Beale | Director | 4 Feb 1998 | 1 Oct 2007 | British | 72 years |
| John Francis Thomas Houston | Director | 18 May 1991 | 1 Apr 1998 | British | 79 years |
| Neil Ray | Director | 1 Oct 2007 | 1 May 2009 | British | 77 years |
| Pauline Droy Moore | Director | 1 May 2009 | 31 Dec 2015 | British | 67 years |
| Pauline Droy Moore | Secretary | 1 Oct 2007 | 31 Dec 2015 | British | - |
| Peter John Baur | Director | 18 May 1991 | 1 Jun 1992 | British | 68 years |
| Rebecca Helen Martin | Director | 9 Oct 2008 | 13 Aug 2012 | New Zealander | 55 years |
| Richard Arthur Boak | Director | 1 Jun 2006 | 27 Sept 2010 | British | 68 years |
| Richard Hall Keefer | Secretary | 8 Sept 1994 | 1 Oct 2007 | British | - |
| Roderic Ian Cameron | Director | 18 May 1991 | 14 Aug 1995 | British | 72 years |
| Simon Meredith White | Director | 1 Jan 2016 | 15 Apr 2016 | British | 69 years |
| Simon Smoker | Director | 9 Oct 2008 | 1 Aug 2016 | British | 64 years |
| Simon Smoker | Secretary | 1 Jan 2016 | 1 Aug 2016 | - | - |