| Anita Joy Robinson | Director | 19 Jul 2018 | 31 Dec 2024 | British | 47 years |
| Carolyn Darcy Isaacs | Director | 13 Jun 2007 | 29 Jun 2018 | British | 63 years |
| Catherine Beris James | Director | 24 Nov 2005 | 3 Feb 2017 | British | 72 years |
| Catriona Chalmers Mackie | Director | 13 Sept 2011 | 30 Jun 2020 | British | 64 years |
| Christopher Richard Roff Marsh | Director | 31 Aug 2006 | 28 Jun 2007 | British | 58 years |
| Claire Elizabeth Matthews | Secretary | 22 Mar 2017 | 5 Jan 2018 | - | - |
| Donald Macloed | Director | 24 Nov 2005 | 4 Dec 2006 | British | 67 years |
| Helen Wendy Jackson | Director | 1 Jan 2013 | 5 Nov 2013 | British | 64 years |
| Ian Archbold | Director | 1 Dec 2016 | 12 Jul 2021 | British | 59 years |
| Jason Edward Gibbins | Director | 12 Jul 2021 | 24 Mar 2023 | British | 55 years |
| John James Nicholls | Secretary | 16 Jul 2010 | 12 Jul 2011 | - | - |
| Katherine Joanna Seljeflot | Director | 16 Nov 2009 | 12 Sept 2011 | British | 54 years |
| Keith James Miller | Director | 22 Mar 2017 | 31 Mar 2022 | British | 58 years |
| Mark Arthur Hopes | Director | 4 Dec 2006 | 30 Jun 2009 | British | 71 years |
| Nandor Makos | Director | 27 Jul 2006 | 28 Jun 2007 | Hungarian | 62 years |
| Raymond James Joy | Director | 24 Nov 2005 | 13 Jun 2007 | British | 72 years |
| Sally Catherine Moore | Director | 17 Jan 2008 | 7 Nov 2014 | British | 61 years |
| Sonja Arsenic | Secretary | 24 Nov 2005 | 15 Jul 2010 | British | - |
| Susanne Margaret Bunn | Director | 24 Nov 2005 | 4 Jan 2008 | British | 67 years |
| Victoria Cooper | Secretary | 13 Jul 2011 | 22 Mar 2017 | - | - |