| Barbara Anne Pierssene | Secretary | 11 Dec 2007 | 9 Jun 2017 | British | - |
| Barry Michael Bicknell | Director | 10 Jan 2022 | 31 Mar 2023 | British | 57 years |
| Christopher Lawrence Remer | Director | 30 Nov 1991 | 19 Jan 1994 | British | 59 years |
| Darren James Cornish | Director | 2 Mar 2015 | 10 Nov 2017 | British | 55 years |
| Gavin David Redvers Oldham | Director | N/A | 8 Jul 2020 | British | 76 years |
| Giles Pemberton | Secretary | 12 Jun 2017 | 4 Mar 2021 | - | - |
| Glenvil Peter Fryer Smith | Secretary | 2 Mar 1991 | 11 Dec 2007 | British | - |
| John Victor Sargeant | Director | 8 Dec 2014 | 7 Jul 2020 | British | 55 years |
| Linda Elizabeth Roberts | Director | 23 Mar 2018 | 7 Jul 2020 | British | 63 years |
| Martin Jeremy Helliwell | Director | 26 Oct 1998 | 31 Oct 2014 | British | 70 years |
| Michael David Birkett | Director | 3 Feb 2014 | 10 Jan 2022 | British | 53 years |
| Richard Adam Stollery | Director | 23 Mar 2018 | 7 Jul 2020 | British | 63 years |
| Richard William Stone | Director | 10 Jul 2006 | 18 Sept 2020 | British | 52 years |
| Roger Edward Wilson | Director | 20 Sept 1993 | 26 Mar 2004 | British | 70 years |
| Sandra Claire Kelly | Director | 1 Mar 2004 | 8 May 2006 | British | 65 years |
| Sarah Lucy Rosita Studholme | Director | 2 Mar 1991 | 6 Jul 2001 | British | 67 years |
| Senthilnathan Rajendran Sinniah | Director | 1 Sept 1994 | 28 May 2002 | British | 85 years |