| Adam George Waddington | Director | 12 Aug 2011 | 22 Apr 2013 | British | 52 years |
| Alan Docksey | Director | 3 Oct 2013 | 5 Feb 2016 | British | 68 years |
| Alistair John Handford | Director | 12 May 2010 | 4 Feb 2016 | British | 75 years |
| Austin Spencer Lewis | Director | 12 May 2010 | 31 Dec 2010 | British | 60 years |
| Charles William Grant Herriott | Director | 3 Oct 2013 | 30 Apr 2014 | British | 40 years |
| Clive Leonard Franks | Secretary | 12 May 2010 | 31 May 2011 | - | - |
| Conrad Hall | Director | 12 May 2010 | 3 Oct 2013 | British | 57 years |
| Daniel Colin Ward | Director | 17 Apr 2015 | 15 Apr 2021 | British | 44 years |
| David Frank Plester | Director | 31 Dec 2010 | 10 Dec 2012 | British | 62 years |
| David Ian Olney | Director | 10 Dec 2012 | 17 Apr 2015 | British | 71 years |
| Gary William Mills | Director | 12 May 2010 | 30 Nov 2021 | British | 70 years |
| James Peter Marsh | Director | 15 Apr 2021 | 14 Apr 2023 | British | 38 years |
| Kate Louise Flaherty | Director | 29 Mar 2018 | 2 Dec 2019 | British | 46 years |
| Lorna Margaret Sampson | Director | 22 Jan 2013 | 17 Apr 2015 | British | 63 years |
| Luke Christopher Ashworth | Director | 15 May 2014 | 11 Jul 2014 | British | 44 years |
| Neal Gregory Misell | Director | 12 May 2010 | 23 Nov 2010 | British | 59 years |
| Nick Stuart English | Director | 12 Aug 2011 | 1 Aug 2012 | British | 66 years |
| Philip Garry Palmer | Director | 10 Dec 2012 | 17 Apr 2015 | British | 56 years |
| Pierre Gaetan Lamstaes | Director | 4 Feb 2016 | 19 Dec 2018 | British | 68 years |
| Richard David Hoile | Director | 12 May 2010 | 12 Aug 2011 | British | 63 years |
| Selwyn Hugh Thompson | Director | 5 Feb 2016 | 5 Oct 2021 | British | 55 years |
| Sinesh Ramesh Shah | Director | 1 May 2013 | 15 May 2014 | British | 49 years |
| Sinesh Ramesh Shah | Director | 11 Jul 2014 | 29 Mar 2018 | British | 49 years |
| Stephen Phillip Barrett | Director | 22 Jan 2013 | 4 Feb 2015 | British | 69 years |
| Steven Landrey | Director | 23 Nov 2010 | 10 Dec 2012 | British | 57 years |
| Susan Heather Charlotte Brand | Director | 4 Apr 2011 | 10 Jun 2013 | British | 71 years |
| Tracey Alison Wood | Secretary | 1 Jun 2011 | 1 Jun 2017 | British | - |