| Alastair James Cooper | Director | 16 Jan 2017 | 21 Aug 2020 | British | 61 years |
| Andrew Michael James Brown | Director | 1 Apr 2017 | 14 Jul 2017 | British | 60 years |
| Benjamin Huw Leech | Director | 17 Apr 2013 | 23 Apr 2019 | British | 49 years |
| Brendan Mark William Blythe | Director | 1 Apr 2015 | 11 Oct 2016 | British | 61 years |
| Brian Love | Director | 16 Dec 2013 | 31 Mar 2015 | British | 47 years |
| Bronwen Mary Rapley | Director | 14 Jul 2017 | 25 Jan 2022 | British | 65 years |
| David Rose | Director | 17 Apr 2013 | 28 Feb 2014 | British | 60 years |
| Emma Margaret Clarke | Secretary | 31 Oct 2018 | 6 Dec 2024 | - | - |
| Gary Lagar | Director | 16 Dec 2013 | 29 May 2014 | British | 66 years |
| Gavin William Mackinlay | Director | 28 Feb 2014 | 22 Mar 2019 | British | 69 years |
| Gordon Neil Springett | Secretary | 2 Jan 2014 | 31 Oct 2018 | - | - |
| Helen Rachel Nicholson | Director | 29 May 2014 | 21 Nov 2016 | British | 48 years |
| Judith Margaret Winterbourne | Director | 16 Dec 2013 | 31 Mar 2017 | British | 71 years |
| Kirsty O'brien | Director | 23 Apr 2019 | 18 Nov 2019 | British | 44 years |
| Lee Richard Simmons | Director | 16 Dec 2013 | 17 Jan 2020 | British | 56 years |
| Mark John Curle | Director | 21 Jul 2017 | 10 May 2019 | British | 56 years |
| Matthew Barry Saye | Director | 25 Jan 2022 | 15 Apr 2025 | British | 53 years |
| Mike Gerrard | Director | 21 Aug 2020 | 31 Oct 2023 | British | 57 years |
| Philip Arthur Would | Director | 22 Mar 2019 | 12 Jan 2021 | British | 55 years |