| Desmond Louis Mildmay Taljaard | Director | 27 Jul 2010 | 31 Dec 2012 | British | 65 years |
| Desna Lee Martin | Secretary | 10 May 2010 | 30 Sept 2019 | - | - |
| Jeffrey Gordon Dishner | Director | 9 Jul 2011 | 22 Apr 2015 | American | 62 years |
| Jonathan Richard Giles Walker | Director | 9 Jul 2010 | 4 Apr 2011 | British | 60 years |
| Neil Jason Harris | Director | 21 Oct 2013 | 22 Apr 2015 | British | 57 years |
| Neil Thompson | Director | 10 May 2010 | 9 Jul 2010 | British | 58 years |
| Neil Thompson | Director | 22 Apr 2015 | 12 Dec 2016 | British | 58 years |
| Nicholas Timon Drakesmith | Director | 10 May 2010 | 9 Jul 2010 | British | 61 years |
| Sarah Broughton | Director | 31 Dec 2012 | 21 Oct 2013 | British | 50 years |
| Sean Patrick Arnold | Director | 27 Jul 2010 | 8 Jul 2011 | American | 53 years |