| Alison Louise Gough | Director | 13 Jul 1999 | 29 Sept 2003 | British | 63 years |
| Alison Louise Gough | Secretary | 9 Dec 1998 | 6 Jul 1999 | Australian | - |
| Alison Louise Gough | Secretary | 10 Mar 2003 | 29 Sept 2003 | British | - |
| Capita Company Secretarial Services Limited | Corporate Secretary | 1 Sept 2013 | 28 Aug 2015 | United Kingdom | - |
| Charles Michael Foster Taylor | Director | 2 May 2002 | 30 May 2003 | British | 64 years |
| Craig Stephen Matheson | Director | 29 Sept 2003 | 23 Jul 2007 | New Zealand | 59 years |
| David Keith Perry | Director | 30 May 2003 | 14 Jan 2005 | British | 66 years |
| David Stewart Hutton | Director | 22 Jun 2000 | 2 May 2002 | Australian | 64 years |
| Derryn Sue Arthur | Director | 13 Oct 1998 | 28 Apr 2000 | New Zealander | 63 years |
| Digby Stuart Nicklin | Director | 23 Jul 2007 | 1 May 2009 | British | 57 years |
| Geoffrey Ross Willetts | Director | 22 Nov 2021 | 27 Jun 2025 | British | 46 years |
| George Ian Macloy Cockburn | Director | 13 Oct 1998 | 2 May 2002 | British | 81 years |
| Georgina Jane Scott | Director | 28 Mar 2008 | 18 Jun 2009 | British | 51 years |
| Georgina Jane Scott | Director | 7 Feb 2011 | 31 Dec 2013 | British | 51 years |
| Georgina Jane Scott | Director | 7 Dec 2015 | 14 Mar 2019 | British | 51 years |
| Glenn Kondo | Director | 18 Jun 2009 | 4 Oct 2011 | Canadian,british | 61 years |
| Hackwood Directors Limited | Corporate Nominee Director | 21 Sept 1998 | 13 Oct 1998 | United Kingdom | - |
| Hackwood Secretaries Limited | Corporate Nominee Secretary | 21 Sept 1998 | 13 Oct 1998 | United Kingdom | - |
| Ian Marshall | Director | 13 Oct 1998 | 15 Oct 1999 | British | 79 years |
| Jacqueline Jordan | Secretary | 29 Sept 2003 | 31 Mar 2004 | British | - |
| Jae Hee Park | Director | 22 Oct 2021 | 19 Aug 2022 | Australian | 37 years |
| Jae Hee Park | Director | 28 Jun 2023 | 18 Jul 2024 | Australian | 37 years |
| Jessica Mary Walker | Director | 20 Nov 2019 | 21 May 2021 | Australian | 43 years |
| John Conrad Peacock | Director | 14 Jun 2004 | 30 Jan 2006 | British | 65 years |
| Keith Michael Anderson | Director | 2 May 2002 | 29 Sept 2003 | British | 63 years |
| Leanne Margaret Leplar | Director | 11 Aug 2022 | 30 Jun 2023 | Australian | 46 years |
| Maleeha Faruqui | Director | 20 May 2021 | 11 Jun 2021 | British | 47 years |
| Mark Boor | Director | 30 Oct 2013 | 9 Jul 2014 | British | 59 years |
| Mark John Packer | Director | 16 Jul 2020 | 22 Oct 2021 | British | 61 years |
| Mohammed Shahraz Khan | Director | 22 Feb 2016 | 20 Sept 2018 | British | 45 years |
| Mohammed Shahraz Khan | Director | 29 Nov 2018 | 18 Jul 2020 | British | 45 years |
| Neil Christopher Martin | Secretary | 31 Mar 2004 | 13 Jan 2005 | British | - |
| Nicola Mary Johnson | Director | 30 Oct 2013 | 12 Nov 2015 | Australian | 46 years |
| Patricia Margaret Davidson | Secretary | 6 Jul 1999 | 10 Mar 2003 | British | - |
| Peter Walichnowski | Director | 15 Dec 1998 | 30 Jun 2000 | Australian | 71 years |
| Raymond Bradley Thomas Boswell | Director | 1 Jul 2014 | 11 Feb 2016 | Australian | 53 years |
| Robin Elliot Butler | Director | 23 Jul 2007 | 13 Jan 2009 | British | 67 years |
| Robin Graham Caven | Director | 28 Apr 2000 | 2 May 2002 | British | 65 years |
| Robin Graham Caven | Director | 14 Jan 2005 | 11 Jul 2008 | British | 65 years |
| Scott Richard Mosely | Director | 18 Jun 2009 | 7 Feb 2011 | British | 53 years |
| Stephen Kenneth Grist | Director | 26 Aug 2011 | 16 Jan 2013 | Australian | 59 years |
| Thanalakshmi Janandran | Secretary | 13 Jan 2005 | 16 Aug 2013 | British | - |
| Thomas Lachlan Mackellar | Director | 16 Jul 2020 | 22 Oct 2021 | Australian | 44 years |
| Thomas William Lee | Director | 2 Feb 2006 | 28 Mar 2008 | Australian | 54 years |
| Victoria Elizabeth Quinlan | Director | 4 Sept 2018 | 31 Oct 2018 | Australian | 50 years |
| Yvonne Kostopoulos | Director | 4 Sept 2018 | 31 Oct 2018 | Australian | 53 years |