| Ahsan Zafar Iqbal | Director | 10 Aug 2012 | 31 May 2013 | British | 53 years |
| Claudine O'connor | Secretary | 3 Dec 2010 | 15 Oct 2013 | - | - |
| David Thomas Potts | Director | 3 Dec 2010 | 2 Mar 2011 | British | 69 years |
| Jason Christopher Bingham | Director | 8 Mar 2012 | 10 Aug 2012 | British | 48 years |
| John Gibney | Director | 19 Jan 2015 | 25 Feb 2022 | Irish | 59 years |
| Michael James Iddon | Director | 3 Dec 2010 | 29 Aug 2014 | British | 61 years |
| Richard William Peter Brasher | Director | 3 Dec 2010 | 15 Mar 2012 | British | 65 years |
| Rinaldo Marcoz | Director | 5 Jul 2013 | 27 Jan 2015 | British | 56 years |
| Scilla Grimble | Director | 2 Mar 2011 | 21 May 2014 | British | 53 years |
| Simon Derwood Auston Drewett | Director | 27 Jan 2015 | 30 Sept 2023 | British | 56 years |
| Steven Antony Scally | Director | 9 Feb 2011 | 27 Jan 2015 | British | 55 years |
| Vincent Michael Rapley | Director | 9 Feb 2011 | 31 Jan 2012 | British | 66 years |
| William Maunder Taylor | Director | 27 Jan 2015 | 20 Feb 2019 | British | 71 years |