| Adrian Edward Cook | Director | 8 Aug 2019 | 22 Oct 2019 | British | 42 years |
| Alison Jane Lambert | Director | 4 Sept 2012 | 4 Sept 2012 | British | 59 years |
| Alison Jane Lambert | Director | 4 Sept 2012 | 24 May 2017 | British | 59 years |
| Alison Jane Lambert | Director | 22 Oct 2019 | 1 Oct 2022 | British | 59 years |
| Ann Mary Hodgetts | Director | 15 Jan 2020 | 22 May 2023 | British | 54 years |
| Catherine Jane Thomas | Director | 18 Aug 2017 | 31 Dec 2018 | British | 53 years |
| Christopher Michael John Forshaw | Director | 2 Nov 2010 | 21 Dec 2010 | British | 76 years |
| Christopher Philip Carter Keall | Director | 12 Feb 2015 | 31 Jul 2019 | British | 58 years |
| David Ian Lockyer | Director | 22 May 2015 | 24 May 2017 | British | 56 years |
| Gawain S E Smart | Director | 24 May 2017 | 15 Jan 2020 | Canadian | 55 years |
| Jonathan Charles Mcnuff | Director | 18 Aug 2017 | 31 Mar 2019 | British | 39 years |
| Matthew Edward Robert Pinsent | Director | 31 Jan 2014 | 22 May 2015 | British | 54 years |
| Matthew White | Director | 21 Dec 2010 | 30 Apr 2015 | British | 60 years |
| Michael Stuart Rayner | Director | 21 Dec 2010 | 5 Oct 2012 | British | 51 years |
| Michael Stuart Rayner | Director | 4 Feb 2014 | 24 May 2017 | British | 51 years |
| Ndiana Ekpo | Secretary | 2 Nov 2010 | 6 Dec 2016 | - | - |
| Nigel Mark Webb | Director | 21 Dec 2010 | 24 May 2017 | British | 62 years |
| Paul Arthur Brundage | Director | 21 Dec 2010 | 24 May 2017 | Canadian | 62 years |
| Paul Burgess | Director | 5 Oct 2012 | 31 Mar 2016 | British | 68 years |
| Richard Elliott | Director | 1 May 2015 | 24 May 2017 | British | 61 years |
| Richard Michael Pilkington | Director | 21 Dec 2010 | 8 Dec 2014 | British | 58 years |
| Sarah Morrell Barzycki | Director | 2 Nov 2010 | 18 Mar 2022 | British | 67 years |
| Simon Crosbie Marriott | Director | 21 Dec 2010 | 4 Sept 2012 | British | 61 years |
| Timothy Andrew Roberts | Director | 21 Dec 2010 | 31 Mar 2019 | British | 61 years |