| Andrew John Merricks | Director | 21 Aug 2013 | 6 Feb 2020 | British | 64 years |
| Andrew John Merricks | Secretary | 12 Sept 2003 | 23 Jan 2012 | British | - |
| Anne Bothwell Gibson | Director | 1 Jul 2013 | 31 Jul 2013 | British | 68 years |
| Anthony Thomas Williams | Director | 16 Mar 2006 | 30 Jun 2013 | British | 80 years |
| Carl Smith | Director | 6 Jul 2015 | 21 May 2019 | British | 65 years |
| Christopher Alan Silverwood | Director | 3 Aug 2020 | 31 May 2024 | British | 62 years |
| David Newell | Director | 6 Feb 2020 | 3 Aug 2020 | British | 62 years |
| David Richard White | Director | 1 Apr 2011 | 30 Jun 2013 | British | 74 years |
| Dean Thorvald Wetteland | Director | 10 Apr 2017 | 9 Dec 2020 | British | 50 years |
| Graham Paul Jermyn | Director | 21 Aug 2013 | 4 Jul 2016 | British | 73 years |
| Hilary Louise Jones | Secretary | 23 Jan 2012 | 7 Jan 2019 | - | - |
| Jane Elizabeth Beck | Director | 21 Aug 2013 | 4 Oct 2017 | British | 58 years |
| John Reginald Baskerville | Director | 12 Sept 2003 | 16 May 2005 | British | 87 years |
| Mark Thomas Emms | Director | 23 Jul 2018 | 18 Dec 2019 | British | 53 years |
| Martin Christopher Hopkins | Director | 3 Nov 2016 | 25 Jan 2017 | British | 62 years |
| Michael Lancaster Britch | Director | 1 Jul 2013 | 31 Jul 2013 | British | 68 years |
| Neil Shaw | Director | 4 Oct 2017 | 4 Mar 2020 | British | 55 years |
| Nicola Holden | Director | 4 Jul 2016 | 23 Jul 2018 | British | 51 years |
| Paul Anthony George Wells | Director | 27 May 2021 | 31 May 2024 | British | 39 years |
| Paul William Adams | Director | 12 Sept 2003 | 31 Mar 2011 | British | 73 years |
| Paula Boyce | Director | 4 Mar 2020 | 31 May 2024 | British | 59 years |
| Penelope Jane Carpenter | Director | 21 May 2019 | 27 May 2021 | British | 72 years |
| Peter Michael Hawes | Director | 12 Sept 2003 | 3 Nov 2016 | British | 74 years |
| Trevor John Wainwright | Director | 14 Jul 2014 | 6 Jul 2015 | English | 76 years |
| Valerie Jean Pettit | Director | 21 Aug 2013 | 14 Jul 2014 | English | 81 years |
| Wyndham James Northam | Director | 16 May 2005 | 16 Mar 2006 | British | 97 years |
