| Andrew Christopher Bolter | Director | 3 Sept 2012 | 4 Apr 2014 | British | 56 years |
| Ben Coggan | Director | 15 Jul 2019 | 30 Jun 2023 | British | 48 years |
| Elizabeth Mary Bayley | Secretary | 1 Jun 2005 | 30 Jan 2006 | British | - |
| Fiona Puleston Penhallurick | Director | 4 Apr 2014 | 15 Mar 2016 | British | 59 years |
| Gary Charles Mcardle | Director | 1 Jun 2005 | 30 Jan 2006 | British | 66 years |
| Gary Nicholas Whitehead | Director | 1 Nov 2006 | 26 Jan 2008 | British | 56 years |
| Gordon John Tuck | Director | 8 Mar 2017 | 30 Jun 2025 | British | 56 years |
| Guy Franklin Young | Director | 1 Feb 2011 | 13 Jan 2014 | South African | 57 years |
| James Alexander Claydon | Director | 1 Nov 2006 | 26 Jan 2008 | British | 66 years |
| James Richard Stirk | Secretary | 26 Jan 2008 | 30 Nov 2012 | British | - |
| Johannes Frederick Van Blerk Serfontein | Director | 30 Sept 2006 | 1 Feb 2011 | South African | 58 years |
| John Richard Bradshaw | Secretary | 30 Nov 2012 | 30 Jun 2013 | British | - |
| Kevin John Seaman | Director | 1 Jun 2005 | 13 Jan 2014 | British | 70 years |
| Maria Claire Gent | Director | 1 Mar 2007 | 26 Jan 2008 | British | 55 years |
| Mark Wilson Joel | Director | 4 Nov 2008 | 13 Jan 2014 | British | 63 years |
| Paul Derek Tunnacliffe | Secretary | 30 Jan 2006 | 10 Dec 2007 | British | - |
| Paul Francis William Cottrell | Director | 13 Jan 2014 | 15 Jul 2019 | British | 60 years |
| Richard Simpson | Director | 30 Mar 2009 | 1 Aug 2011 | British | 54 years |
| Rupert Burne | Director | 26 Jan 2008 | 5 Nov 2008 | British | 63 years |
| Simon Lloyd Willis | Director | 31 Jul 2006 | 30 Mar 2009 | British | 61 years |
| Terence Robert Last | Director | 26 Jan 2008 | 7 Jan 2013 | British | 76 years |
| Timothy Charles Jackson | Director | 1 Jun 2005 | 31 Jul 2006 | British | 74 years |
| Tlt Directors Limited | Corporate Director | 28 Feb 2005 | 1 Jun 2005 | United Kingdom | - |
| Tlt Secretaries Limited | Corporate Secretary | 28 Feb 2005 | 1 Jun 2005 | United Kingdom | - |
| Todd William Hannigan | Director | 30 Jan 2006 | 1 Nov 2006 | Australian | 54 years |
