| Andrew Gilbert Charlesworth | Director | 18 Jan 2012 | 20 Sept 2012 | British | 54 years |
| Andrew Simon Mickleburgh | Director | 24 Jul 2006 | 18 Jan 2012 | British | 64 years |
| Conor Matthew Gerard O'shaughnessy | Director | 15 Sept 2006 | 30 Jan 2009 | Irish | 64 years |
| David Keith Gannicott | Director | 29 Sept 2015 | 31 Mar 2019 | British | 67 years |
| Jamie Pritchard | Director | 2 Oct 2012 | 8 Mar 2017 | British | 54 years |
| Jane Elizabeth Jenkinson | Director | 1 Oct 2009 | 26 Mar 2012 | British | 60 years |
| John Alfred Neville Tibbitts | Director | 6 Jun 2013 | 15 Jul 2013 | British | 70 years |
| Karen Elisabeth Stephens | Director | 30 Jan 2009 | 31 Jul 2009 | British | 61 years |
| Karen Marie Hill | Director | 15 Sept 2006 | 7 Jul 2010 | British | 48 years |
| Karen Marie Hill | Director | 29 Sept 2011 | 2 Mar 2022 | British | 48 years |
| Kevin Barry Duggan | Director | 24 Jul 2006 | 18 Jan 2012 | British | 73 years |
| Martin Timothy Smith | Director | 15 Sept 2006 | 19 Jan 2024 | British | 58 years |
| Matthew Joseph Mclintock | Director | 8 Mar 2017 | 30 Apr 2019 | British | 38 years |
| Nicola Johnston | Director | 25 Jul 2008 | 7 Aug 2009 | British | 48 years |
| Paul Bridge | Director | 15 Sept 2006 | 15 Sept 2006 | British | 55 years |
| Raymond Gary Christopher | Director | 30 Jan 2009 | 6 Jun 2013 | British | 60 years |
| Simon Craig Chatfield | Director | 25 Nov 2009 | 26 Mar 2012 | British | 59 years |
| Simon William Vevers | Director | 3 Apr 2012 | 25 May 2023 | British | 54 years |
| Stephen Cross | Secretary | 24 Jul 2006 | 1 Dec 2009 | British | - |
| Thomas Gore Titherington | Director | 15 Sept 2006 | 30 Jan 2009 | British | 67 years |
| Tracy Helen Allison | Director | 12 Sept 2013 | 29 Sept 2015 | British | 60 years |
| Victoria Haynes | Secretary | 1 Dec 2009 | 20 Jun 2012 | British | - |
| Vikki Louise Everett | Director | 18 Jan 2012 | 15 Apr 2024 | British | 54 years |