| Catherine Jane Thomas | Director | 22 May 2015 | 31 Dec 2018 | British | 54 years |
| Charles John Middleton | Director | 26 Jan 2010 | 21 May 2014 | British | 60 years |
| Christopher Michael John Forshaw | Director | 26 Jan 2010 | 21 May 2014 | British | 77 years |
| Christopher Michael John Forshaw | Director | 21 May 2014 | 5 Apr 2017 | British | 77 years |
| Clive James Philip | Secretary | 26 Jan 2010 | 14 Feb 2014 | - | - |
| David Ian Lockyer | Director | 21 May 2014 | 10 Jan 2019 | British | 57 years |
| Juliette Morgan | Director | 10 Jan 2019 | 6 Jan 2021 | British | 47 years |
| Matthew Edward Robert Pinsent | Director | 21 May 2014 | 22 May 2015 | British | 55 years |
| Ndiana Ekpo | Secretary | 14 Feb 2014 | 6 Dec 2016 | - | - |
| Nicholas Keith Bates | Director | 26 Jan 2010 | 31 Mar 2010 | British | 64 years |
| Paul Jaffe | Director | 10 Jan 2019 | 4 Mar 2022 | British | 46 years |