| Anthony Guthrie | Secretary | 23 Nov 2016 | 3 May 2018 | - | - |
| Claire Louise Catlin | Director | 3 Mar 2014 | 22 May 2015 | British | 46 years |
| Claire Louise Catlin | Director | 15 Feb 2019 | 6 Dec 2019 | British | 46 years |
| Colin John Holmes | Director | 15 Nov 2006 | 21 Mar 2007 | British | 70 years |
| Darren Wayne Clark | Director | 6 Dec 2019 | 31 Dec 2020 | British | 47 years |
| David Nigel Brown | Director | 21 Mar 2007 | 23 Nov 2016 | British | 65 years |
| David William Adams | Director | 22 Mar 2013 | 10 Jun 2016 | British | 60 years |
| Deborah Pamela Hamilton | Secretary | 11 Sept 2014 | 23 Nov 2016 | - | - |
| Donald Fuller Davis | Director | 22 Oct 2007 | 2 Aug 2010 | American | 58 years |
| Gordon Andrew Bentley | Director | 21 Mar 2007 | 10 Jan 2008 | British | 67 years |
| Hackwood Directors Limited | Corporate Nominee Director | 13 Jun 2006 | 15 Nov 2006 | United Kingdom | - |
| Hackwood Secretaries Limited | Corporate Nominee Secretary | 13 Jun 2006 | 15 Nov 2006 | United Kingdom | - |
| Iain Stuart Macmillan | Director | 2 Sept 2016 | 8 Jun 2018 | British | 50 years |
| Julia Foo | Secretary | 14 Jun 2019 | 7 May 2021 | - | - |
| Julie Ann Wirth | Director | 21 Mar 2007 | 22 Oct 2007 | British | 61 years |
| Mark Simon Willis | Director | 22 May 2015 | 2 Sept 2016 | British | 50 years |
| Matthew George Smith | Director | 6 Dec 2006 | 22 Mar 2013 | British | 55 years |
| Michael Haydn Allen Willis | Secretary | 15 Nov 2006 | 12 May 2009 | British | - |
| Penelope Ann Mckelvey | Secretary | 28 Jun 2013 | 11 Sept 2014 | - | - |
| Philip Alexander Parker | Director | 10 Jan 2008 | 28 Jun 2013 | British | 74 years |
| Philip Alexander Parker | Secretary | 12 May 2009 | 28 Jun 2013 | British | - |
| Richard George Lockwood | Director | 2 Aug 2010 | 3 Mar 2014 | British | 59 years |
| Ryan James Mynard | Director | 8 Jun 2018 | 15 Feb 2019 | British | 46 years |
| Stephen Goodluck | Director | 23 Nov 2016 | 15 Feb 2019 | British | 49 years |
| Timothy Fallowfield | Secretary | 3 May 2018 | 14 Jun 2019 | - | - |