| Abdellha Benhatta | Director | 22 Mar 2012 | 31 Aug 2021 | French | 70 years |
| Andrew Maxwell Dean | Director | 3 Apr 2017 | 1 Jul 2024 | British | 59 years |
| Anthony Brian Johns | Director | 22 Mar 2012 | 20 Aug 2014 | British | 70 years |
| Barry Paul Millsom | Director | 19 Nov 2018 | 25 Jun 2020 | British | 52 years |
| Brian Walker | Director | 25 Mar 2010 | 25 Mar 2010 | British | 67 years |
| Christopher Ian Richardson | Director | 22 Sept 2014 | 9 Apr 2018 | British | 51 years |
| Christopher Laine Birdsong | Director | 15 Oct 2008 | 7 Sept 2012 | American | 74 years |
| David Jardine | Director | 29 Aug 2008 | 15 Oct 2008 | Australian | 54 years |
| David Stuart James | Director | 18 May 2009 | 22 Apr 2010 | British | 81 years |
| David Ward Steel | Director | 18 May 2009 | 20 May 2014 | British | 72 years |
| Derek Charles Hughes | Director | 22 Sept 2014 | 6 Aug 2018 | British | 74 years |
| Ian Kenneth Rylatt | Director | 15 Oct 2008 | 25 Mar 2010 | British | 61 years |
| Jamie Pritchard | Director | 25 Jun 2020 | 9 Dec 2021 | British | 55 years |
| Jane Elizabeth Guyett | Director | 22 Sept 2014 | 23 Sept 2025 | British | 67 years |
| John Mcdonagh | Director | 24 Jan 2017 | 19 Nov 2018 | British | 57 years |
| Jonathan Michael Turner | Director | 29 Aug 2008 | 15 Oct 2008 | British | 43 years |
| Jonathan Michael Turner | Secretary | 29 Aug 2008 | 15 Oct 2008 | - | - |
| Neil James Corfield Thomas | Director | 7 Sept 2012 | 24 Jan 2017 | British | 64 years |
| Nigel John Marshall | Secretary | 15 Oct 2008 | 23 Jul 2009 | British | - |
| Nigel John Russell | Director | 18 May 2009 | 27 May 2010 | British | 68 years |
| Paul Alan Bannister | Director | 15 Oct 2008 | 24 Jan 2017 | United Kingdom | 67 years |
| Perry Noble | Director | 22 Apr 2010 | 31 Mar 2014 | British | 66 years |
| Richard Daniel Knight | Director | 24 Jan 2017 | 1 Aug 2024 | British | 52 years |
| Rik Joosten | Director | 15 Oct 2008 | 22 Mar 2012 | Dutch | 66 years |
| Stephen Douglas Worthy | Director | 21 Feb 2019 | 17 Jan 2025 | British | 50 years |
| Timothy Steven Jones | Director | 18 May 2009 | 3 Apr 2017 | British | 68 years |