| Alan Travis | Director | 1 Nov 2012 | 11 Mar 2015 | British | 55 years |
| Alison Wyllie | Secretary | 16 Jul 2015 | 12 Jan 2018 | British | - |
| Andre Eugene Kinghorn | Director | 15 Aug 2016 | 20 Mar 2018 | British | 48 years |
| Anthony Charles Roper | Director | 7 Jul 2017 | 30 Jun 2018 | British | 66 years |
| Caroline Louise Pitcher | Director | 20 Mar 2018 | 15 Jan 2021 | British | 35 years |
| Ceri Richards | Director | 2 Mar 2012 | 1 Nov 2012 | British | 68 years |
| Clive William Price Mckenzie | Secretary | 15 Dec 2008 | 28 May 2010 | British | - |
| David James Jarmany | Director | 23 Feb 2022 | 28 Mar 2023 | British | 40 years |
| David John Hunter | Director | 15 Dec 2008 | 9 Nov 2010 | British | 71 years |
| Edward John Roger Warwick | Director | 9 Nov 2010 | 26 Mar 2015 | British | 50 years |
| Emily Mendes | Secretary | 12 Jan 2018 | 22 Sept 2025 | - | - |
| Harry Edward Charles Seekings | Director | 23 Oct 2017 | 23 Feb 2021 | British | 53 years |
| John Michael Dean | Director | 15 Dec 2008 | 11 Jan 2010 | British | 75 years |
| Keith William Pickard | Director | 7 Jul 2017 | 14 Mar 2022 | British | 58 years |
| Lisa Scenna | Director | 11 Jan 2010 | 2 Mar 2012 | Australian | 58 years |
| Mark Geoffrey David Holden | Director | 11 Mar 2015 | 7 Jul 2017 | British | 69 years |
| Patrick Thomas Robson | Director | 16 Apr 2021 | 23 Feb 2022 | British | 41 years |
| Patrick Thomas Robson | Director | 14 Mar 2022 | 23 Feb 2024 | British | 41 years |
| Robin Reginald Thomas Hutchings | Director | 9 Jan 2009 | 9 Nov 2010 | British | 64 years |
| Ross William Driver | Director | 11 Mar 2015 | 7 Jul 2017 | British | 45 years |
| Shaheen Kumar | Director | 28 May 2024 | 1 Apr 2025 | Australian | 39 years |
| Stephen Hockaday | Director | 9 Nov 2010 | 11 Mar 2015 | British | 71 years |
| Stephen John Sullivan | Secretary | 28 May 2010 | 11 Mar 2015 | - | - |
| Ying Su | Director | 23 Feb 2021 | 16 Apr 2021 | British | 38 years |
