| Andrew Bord | Director | 1 Jan 2015 | 30 Sept 2016 | British | 56 years |
| Christopher Stuart Ashburn | Director | 7 Sept 2020 | 24 Nov 2020 | British | 58 years |
| David Bew | Director | 24 Feb 2010 | 26 Nov 2010 | British | 73 years |
| David Brown Houghton Brown | Director | 24 Feb 2010 | 21 May 2012 | British | 68 years |
| Dean Vernon Cook | Secretary | 24 Feb 2010 | 21 May 2012 | - | - |
| Dean Vernon Cook | Director | 24 Feb 2010 | 21 May 2012 | British | 69 years |
| Emma Louise Pearson | Director | 22 May 2013 | 20 Jun 2014 | British | 54 years |
| James D'arcy Vincent | Director | 20 Jun 2014 | 1 Jan 2015 | British | 60 years |
| James D'arcy Vincent | Director | 7 Sept 2020 | 24 Nov 2020 | British | 60 years |
| Jason Edward Powell | Director | 21 May 2012 | 22 May 2013 | British | 57 years |
| Jonathan Benton | Director | 24 Feb 2010 | 21 May 2012 | British | 48 years |
| Kevin Pritchard | Director | 13 Jul 2016 | 31 Jan 2018 | British | 58 years |
| Michael David Allen Benton | Director | 24 Feb 2010 | 21 May 2012 | British | 74 years |
| Nicolas Norman Bedford | Director | 11 Jul 2014 | 1 Jan 2015 | British | 67 years |
| Peter Mark Franklin | Director | 28 Mar 2014 | 11 Jul 2014 | British | 50 years |
| Richard John Montague-fuller | Director | 1 Sept 2015 | 7 Sept 2020 | British | 56 years |
| Richard John Shearer | Director | 21 May 2012 | 28 Mar 2014 | British | 62 years |
| Robert Frank Boyles | Director | 1 Jan 2015 | 1 Sept 2015 | British | 57 years |
