| Alastair Bradshaw | Secretary | 16 Dec 2011 | 3 Mar 2014 | - | - |
| Alexandra Dadd | Secretary | 30 Jul 2008 | 30 Jan 2009 | Other | - |
| Andrew Nicholas Peters | Director | 1 May 2013 | 30 Jan 2014 | British | 57 years |
| Andrew Sutherland | Director | 3 Nov 2000 | 28 Feb 2001 | British | 64 years |
| Anthony Roy Foster | Secretary | 30 Sept 2005 | 15 Feb 2008 | British | - |
| Christopher Lee Gilbert | Director | 29 Jan 2014 | 16 May 2019 | British | 54 years |
| Claire Puttergill | Secretary | 3 Nov 2000 | 17 Oct 2003 | British | - |
| Damian Alexander Cox | Director | 4 Oct 2002 | 14 Feb 2003 | British | 57 years |
| David John Carden | Director | 1 Feb 2013 | 13 Sept 2013 | British | 65 years |
| David Martin Lowry | Director | 1 Feb 2013 | 3 Nov 2015 | South African | 44 years |
| David Thomas Milloy | Director | 30 Jun 2017 | 30 Jun 2017 | British | 60 years |
| Donald William Borland | Director | 20 Aug 2007 | 1 Jul 2011 | British | 59 years |
| Edward Rex Nevett | Director | 3 Nov 2000 | 9 Aug 2001 | British | 76 years |
| Elaine Anne Driver | Secretary | 3 Mar 2014 | 8 Aug 2016 | - | - |
| Elizabeth Taylor | Secretary | 1 Feb 2004 | 30 Sept 2005 | British | - |
| Euan James Edward Haggerty | Director | 1 Jul 2011 | 30 Jun 2017 | British | 48 years |
| Gary John Hodges | Director | 14 Feb 2003 | 31 Dec 2012 | British | 64 years |
| Gemma Parsons | Secretary | 8 Aug 2016 | 4 May 2018 | - | - |
| John Frederick Laker | Director | 3 Nov 2000 | 26 Sept 2008 | British | 79 years |
| Julian Paul Hodder | Director | 10 Aug 2004 | 26 Sept 2012 | British | 54 years |
| Julie Mansfield Jackson | Director | 25 Feb 2005 | 18 Sept 2009 | British | 60 years |
| Keith Anthony Ireland | Director | 3 Nov 2000 | 14 Feb 2003 | British | 58 years |
| Lawgram Secretaries Limited | Corporate Nominee Secretary | 25 Sept 2000 | 3 Nov 2000 | United Kingdom | - |
| Lester Paul Hampson | Director | 3 Nov 2000 | 26 Mar 2004 | British | 64 years |
| Marlene Wood | Director | 25 Feb 2005 | 29 May 2009 | British | 63 years |
| Nicholas James Philip Bilsland | Director | 23 Aug 2001 | 22 Jan 2002 | British | 59 years |
| Nicholas John Harris | Director | 28 Feb 2001 | 1 Nov 2002 | British | 73 years |
| Philip Hartley Miller | Director | 26 Mar 2004 | 31 May 2015 | British | 69 years |
| Richard James Stearn | Director | 13 Apr 2015 | 13 Apr 2015 | British | 57 years |
| Richard James Stearn | Secretary | 30 Jan 2009 | 16 Dec 2011 | British | - |
| Robert Charles Grenville Perrins | Secretary | 15 Feb 2008 | 30 Jul 2008 | British | - |
| Roger St John Hulton Lewis | Director | 1 May 2001 | 31 Jul 2007 | British | 78 years |
| Simon Frost | Director | 1 Nov 2002 | 18 Mar 2005 | British | 70 years |
| Simon Lovell Fairless | Director | 22 Jan 2002 | 4 Oct 2002 | Australian | 58 years |
| Simon Philip Banfield | Director | 14 Feb 2003 | 30 Jul 2004 | British | 61 years |
| Stuart James Bainbridge | Director | 3 Nov 2015 | 16 May 2019 | British | 50 years |
| Tony Kelly Pidgley | Director | 3 Nov 2000 | 30 Apr 2001 | British | 57 years |
| Whale Rock Directors Limited | Corporate Nominee Director | 25 Sept 2000 | 3 Nov 2000 | United Kingdom | - |