| Alexandra Mary Moffatt | Director | 11 Jul 2018 | 31 Dec 2020 | British | 46 years |
| Andrew John Bowman | Director | 12 Aug 2014 | 3 Jul 2018 | British | 54 years |
| Ann Hird | Director | 23 Apr 2012 | 15 Nov 2012 | British | 69 years |
| Anthony Nicholas Greatorex | Director | 3 Feb 2014 | 18 Jun 2014 | British | 58 years |
| Antony Vincent Holt | Director | 14 Sept 2010 | 23 Apr 2012 | British | 67 years |
| Bruce Nelson Gray | Director | 18 Jun 2014 | 12 Aug 2014 | British | 56 years |
| David William Crawford | Director | 30 Aug 2013 | 6 Dec 2013 | British | 56 years |
| Ian Edward Jarvis | Director | 18 Jun 2014 | 16 Feb 2016 | British | 55 years |
| Jeremy Peter Small | Secretary | 20 Jan 2009 | 23 Apr 2012 | British | - |
| John Robert Simmonds | Director | 20 Nov 2008 | 21 Dec 2011 | British | 69 years |
| Nicholas Edward Latner | Director | 12 Oct 2017 | 31 Oct 2018 | British | 48 years |
| Nicholas Mackenzie Herbert Burns | Director | 14 Sept 2010 | 31 May 2015 | British | 59 years |
| Nicolas Norman Bedford | Director | 23 Apr 2012 | 4 May 2012 | British | 67 years |
| Philip John Anderson | Director | 13 Oct 2008 | 23 Apr 2012 | British | 62 years |
| Pinsent Masons Secretarial Limited | Corporate Secretary | 13 Oct 2008 | 20 Jan 2009 | United Kingdom | - |
| Simon Edward Hall | Director | 16 Feb 2016 | 10 Feb 2017 | British | 51 years |
| Stephen Sharp | Director | 23 Apr 2012 | 3 Feb 2014 | British | 61 years |
| Susan Lesley Ring | Director | 18 Jun 2014 | 20 Jul 2018 | British | 65 years |