| Abigail Sarah Draper | Director | 18 Aug 2020 | 31 Mar 2025 | British | 56 years |
| Alan Kenneth Halder | Director | 23 Apr 1998 | 29 Jan 2003 | British | 82 years |
| Clive Jonathan Mottram | Director | 16 Jun 2005 | 4 Apr 2007 | British | 67 years |
| David Procter | Director | 17 Mar 1998 | 6 Apr 2013 | British | 73 years |
| Gareth Rought Jenkins | Director | 29 Apr 2019 | 19 Feb 2021 | British | 61 years |
| Jayne Elizabeth Matwiejczyk | Secretary | 29 Apr 2019 | 18 Aug 2020 | - | - |
| Johan Van Den Arend Schmidt | Director | 4 Apr 2007 | 22 Nov 2007 | Dutch | 55 years |
| John Keith Banyard | Director | 17 Mar 1998 | 30 Dec 2004 | British | 82 years |
| John Moss | Director | 23 Jan 1998 | 10 Mar 2005 | British | 82 years |
| Karen Aileen Mclintock | Secretary | 23 Jan 1998 | 31 Mar 2011 | British | - |
| Mark David Hitchmough | Secretary | 31 Mar 2011 | 21 Oct 2013 | British | - |
| Mark David Hitchmough | Director | 17 Apr 2013 | 29 Apr 2019 | British | 63 years |
| Nicholas John Burraston | Director | 24 Nov 2007 | 31 Mar 2011 | British | 78 years |
| Patricia Lorraine Williams | Secretary | 21 Oct 2013 | 29 Apr 2019 | - | - |
| Ronald Eric Chapman | Director | 10 Mar 2005 | 31 Mar 2011 | British | 68 years |
| Ronald Eric Chapman | Director | 29 Apr 2019 | 18 Aug 2020 | British | 68 years |
| Sarah Louise Stimpson | Director | 1 Apr 2011 | 14 Mar 2017 | British | 61 years |
| Stephen Hugh Reilly | Director | 10 Mar 2005 | 16 Jun 2005 | British | 67 years |