| Anthony Braine | Director | 27 Jan 2011 | 31 Jul 2014 | British | 68 years |
| Benjamin Toby Grose | Director | 13 Jul 2012 | 2 Oct 2014 | British | 56 years |
| Christopher Michael John Forshaw | Director | 27 Jan 2011 | 5 Apr 2017 | British | 76 years |
| Graham Charles Roberts | Director | 27 Jan 2011 | 30 Jun 2011 | British | 67 years |
| Jean-marc Vandevivere | Director | 13 Jul 2012 | 31 Jan 2016 | French | 48 years |
| John Roman Patrick Maddison | Director | 2 Oct 2014 | 10 Apr 2015 | British | 44 years |
| Lucinda Margaret Bell | Director | 27 Jan 2011 | 19 Jan 2018 | British | 61 years |
| Ndiana Ekpo | Secretary | 27 Jan 2011 | 6 Dec 2016 | - | - |
| Nigel Mark Webb | Director | 27 Jan 2011 | 27 Jun 2019 | British | 62 years |
| Paul Stuart Macey | Director | 22 Feb 2016 | 27 Jun 2019 | British | 47 years |
| Sarah Morrell Barzycki | Director | 27 Jan 2011 | 27 Jun 2019 | British | 67 years |
| Simon Geoffrey Carter | Director | 13 Jul 2012 | 30 Jan 2015 | British | 50 years |
| Stephen Paul Smith | Director | 13 Jul 2012 | 31 Mar 2013 | British | 72 years |
| Timothy Andrew Roberts | Director | 27 Jan 2011 | 31 Mar 2019 | British | 61 years |
| Victoria Margaret Penrice | Director | 1 Aug 2014 | 29 Apr 2015 | British | 61 years |