| Andrew Michael David Kirkman | Director | 1 Apr 2011 | 18 Sept 2015 | British | 54 years |
| Barrie Sidney Hurley | Director | 20 Mar 2008 | 31 Dec 2011 | British | 75 years |
| Christopher Paul Richards | Secretary | 20 Mar 2008 | 5 May 2008 | British | - |
| Colin Andrew Paterson | Director | 20 Mar 2008 | 31 Mar 2016 | British | 63 years |
| David Balfour Robertson | Director | 20 Mar 2008 | 31 Mar 2011 | British | 72 years |
| David Murray Cowper | Secretary | 9 Sept 2004 | 20 Mar 2008 | British | - |
| Elliot Arthur James Rees | Director | 31 Jul 2015 | 12 Oct 2020 | British | 52 years |
| Karen Senior | Secretary | 1 Nov 2014 | 8 Jul 2020 | - | - |
| Kevin Michael Bradshaw | Director | 12 Oct 2020 | 31 Mar 2022 | British | 57 years |
| Ledge Services Limited | Corporate Nominee Director | 26 Jul 2004 | 9 Sept 2004 | United Kingdom | - |
| Ledingham Chalmers | Corporate Nominee Secretary | 26 Jul 2004 | 9 Sept 2004 | - | - |
| Lyndi Margaret Hughes | Secretary | 9 Jul 2020 | 31 Mar 2022 | - | - |
| Malcolm Angus Todd | Director | 9 Sept 2004 | 3 Jun 2009 | British | 70 years |
| Margaret Lilian Helley | Secretary | 5 May 2008 | 28 Jul 2014 | British | - |
| Mark Burrows Smith | Director | 1 Oct 2012 | 30 Jun 2015 | British | 59 years |
| Michael Hellings | Director | 20 Mar 2008 | 30 Sept 2012 | British | 75 years |
| Nicholas William Maddock | Director | 12 Oct 2020 | 31 Mar 2022 | British | 55 years |
| Paul Scott Brown | Director | 31 Mar 2016 | 21 Aug 2020 | British | 57 years |
| Phillip Charles Piddington | Director | 31 Jul 2015 | 12 Oct 2020 | British | 70 years |
| Richard Cyril Zmuda | Secretary | 28 Jul 2014 | 30 Nov 2016 | British | - |
| Scott Edward Massie | Secretary | 1 Jan 2019 | 8 Jul 2020 | - | - |
| Simon Macpherson Howie | Director | 9 Sept 2004 | 20 Mar 2008 | British | 59 years |
| Tom Liddell | Director | 9 Sept 2004 | 30 Oct 2020 | British | 75 years |
