| Alexander Bowker Jones | Director | 26 Oct 2009 | 8 Nov 2011 | British | 55 years |
| Alexander Bowker Jones | Secretary | 26 Oct 2009 | 8 Nov 2011 | - | - |
| Annette Monique Lara Spindler | Director | 31 Jul 2017 | 12 Oct 2017 | British | 58 years |
| Bernard Moroney | Director | 22 Dec 2015 | 16 Aug 2024 | British | 73 years |
| David Michael Boulton | Director | 26 Oct 2009 | 8 Nov 2011 | British | 51 years |
| Elizabeth Mcdonald | Secretary | 8 Nov 2012 | 31 Oct 2014 | British | - |
| Jonathan David Schonberg | Director | 8 Nov 2011 | 31 Jan 2012 | British | 70 years |
| Leo Damian Carroll | Secretary | 31 Jul 2017 | 31 Jan 2020 | - | - |
| Lindsey Walker | Secretary | 8 Nov 2011 | 31 Dec 2011 | British | - |
| Mohammed Omar Shafi Khan | Director | 16 Oct 2017 | 5 Apr 2019 | British | 52 years |
| Richard Charles Ablett | Director | 31 Dec 2011 | 31 Dec 2015 | British | 60 years |
| Richard Charles Smith | Director | 8 Nov 2011 | 30 Nov 2013 | British | 69 years |
| Stephen Robert Williams | Director | 8 Nov 2011 | 31 Jul 2017 | British | 57 years |
| William Henry Mark Robson | Secretary | 31 Oct 2014 | 31 Jul 2017 | - | - |
| William Henry Mark Robson | Director | 28 Feb 2014 | 31 Jul 2017 | British | 63 years |