| Alison Louise Gough | Director | 13 Jul 1999 | 29 Sept 2003 | British | 63 years |
| Alison Louise Gough | Secretary | 7 Dec 1998 | 6 Jul 1999 | Australian | - |
| Alison Louise Gough | Secretary | 10 Mar 2003 | 29 Sept 2003 | British | - |
| Alistair Cutts | Secretary | 14 Mar 2006 | 28 Jun 2007 | British | - |
| Beverley Edward John Dew | Director | 18 Jun 2009 | 7 Dec 2012 | British | 55 years |
| Capita Company Secretarial Services Limited | Corporate Secretary | 1 Sept 2013 | 28 Aug 2015 | United Kingdom | - |
| Charles Michael Foster Taylor | Director | 22 Aug 2002 | 30 May 2003 | British | 64 years |
| Craig Stephen Matheson | Director | 28 Jul 2004 | 23 Jul 2007 | New Zealand | 59 years |
| David Stewart Hutton | Director | 22 Jun 2000 | 22 Aug 2002 | Australian | 64 years |
| Derryn Sue Arthur | Director | 15 Dec 1998 | 28 Apr 2000 | New Zealander | 63 years |
| Digby Stuart Nicklin | Director | 23 Jul 2007 | 1 May 2009 | British | 57 years |
| Elma Pearson Morris | Director | 25 Apr 2022 | 31 Mar 2023 | British | 69 years |
| Geoff Ross Willetts | Director | 18 Jul 2024 | 27 Jun 2025 | British | 46 years |
| Georgina Jane Scott | Director | 28 Mar 2008 | 4 Nov 2016 | British | 51 years |
| Glenn Kondo | Director | 18 Jun 2009 | 18 Jun 2009 | Canadian,british | 61 years |
| Hackwood Directors Limited | Corporate Nominee Director | 6 May 1997 | 2 Jul 1997 | United Kingdom | - |
| Hackwood Secretaries Limited | Corporate Nominee Secretary | 6 May 1997 | 2 Jul 1997 | United Kingdom | - |
| Ian Marshall | Director | 1 Aug 1997 | 15 Oct 1999 | British | 79 years |
| Jae Hee Park | Director | 8 Dec 2021 | 19 Aug 2022 | Australian | 37 years |
| Jae Hee Park | Director | 28 Jun 2023 | 18 Jul 2024 | Australian | 37 years |
| Jennifer Draper | Secretary | 4 Nov 2016 | 21 Dec 2016 | - | - |
| John David Clark | Director | 28 Jun 2023 | 31 Oct 2023 | British | 56 years |
| Kirsten Lisa White | Director | 20 Jul 2018 | 12 Mar 2021 | British | 56 years |
| Leanne Margaret Leplar | Director | 11 Aug 2022 | 30 Jun 2023 | Australian | 46 years |
| Michael James Larkin | Director | 20 Oct 2003 | 10 Aug 2004 | Australian | 61 years |
| Neilchristopher Martin | Secretary | 29 Sept 2003 | 14 Mar 2006 | British | - |
| Patricia Margaret Davidson | Secretary | 6 Jul 1999 | 10 Mar 2003 | British | - |
| Penelope Ruth Sutton | Secretary | 4 Sept 1997 | 7 Dec 1998 | British | - |
| Peter Walichnowski | Director | 2 Jul 1997 | 30 Jun 2000 | Australian | 71 years |
| Raymond Bradley Thomas Boswell | Director | 30 Oct 2013 | 11 May 2018 | Australian | 53 years |
| Robin Graham Caven | Director | 28 Apr 2000 | 11 Jul 2008 | British | 65 years |
| Roger Leonard Burrows | Director | 2 Jul 1997 | 15 Dec 1997 | Australian | 63 years |
| Roger Leonard Burrows | Secretary | 2 Jul 1997 | 4 Sept 1997 | Australian | - |
| Simon David John Brunning | Director | 6 Nov 2020 | 25 Mar 2022 | British | 52 years |
| Stephen Kenneth Grist | Director | 19 Dec 2012 | 16 Jan 2013 | Australian | 59 years |
| Thanalakshmi Janandran | Secretary | 28 Jun 2007 | 16 Aug 2013 | British | - |
| Thomas Lachlan Mackellar | Director | 4 Nov 2016 | 22 Oct 2021 | Australian | 44 years |
| Thomas William Lee | Director | 2 Feb 2006 | 28 Mar 2008 | Australian | 54 years |