| Adam John Baird | Director | 13 Jun 2014 | 4 Sept 2014 | British | 49 years |
| Andrew Michael Summerfield | Director | 8 Dec 2016 | 13 Aug 2018 | British | 54 years |
| Anthony David Atherton | Director | 28 Mar 2002 | 27 Apr 2006 | British | 68 years |
| Daniel Colum Kirk | Director | 18 Nov 2014 | 1 Aug 2018 | British | 59 years |
| Daniel Morris | Director | 18 Nov 2014 | 23 May 2018 | British | 51 years |
| Graham Sutherland | Director | 1 Sept 2012 | 21 Jul 2014 | British | 63 years |
| Helen Ruth Slinger | Director | 18 Nov 2014 | 13 Aug 2018 | British | 53 years |
| James Antony Ford | Director | 18 Jun 2014 | 18 Nov 2014 | British | 50 years |
| John Paul Thornhill | Director | 1 Apr 2010 | 1 Sept 2012 | British | 60 years |
| Josephine Anderson Boath | Secretary | 28 Mar 2002 | 28 Mar 2002 | British | - |
| Mark Jonathan Hendricks | Director | 1 Sept 2012 | 21 Jul 2014 | British | 52 years |
| Neil James Catto | Director | 9 Aug 2006 | 13 May 2011 | British | 59 years |
| Nigel Stagg | Director | 27 Apr 2006 | 15 Aug 2008 | British | 63 years |
| Richard James Lowe | Director | 1 Sept 2012 | 18 Nov 2014 | Australian | 52 years |
| Robert James Stewart Carswell | Director | 27 Apr 2006 | 8 Aug 2006 | British | 58 years |
| Simon John Curry | Director | 27 Apr 2006 | 31 Mar 2010 | British | 60 years |
| Simon Martyn Terry Brayshaw | Director | 28 Mar 2002 | 27 Apr 2006 | British | 64 years |
| Simon Martyn Terry Brayshaw | Secretary | 28 Mar 2002 | 27 Apr 2006 | British | - |