| Andrew David Jamieson | Director | 7 Dec 2017 | 1 Jul 2019 | British | 70 years |
| Andrew James Proctor | Director | 13 Aug 2019 | 22 May 2023 | English | 79 years |
| Andrew John Merricks | Secretary | 12 Feb 2002 | 26 Apr 2012 | British | - |
| Anne Bothwell Gibson | Director | 1 Jul 2013 | 30 Sept 2016 | British | 68 years |
| Anthony Thomas Williams | Director | 16 Mar 2006 | 30 Jun 2013 | British | 80 years |
| Colleen Monica Walker | Director | 1 Jul 2013 | 18 May 2016 | British | 75 years |
| David Richard White | Director | 1 Apr 2011 | 30 Jun 2013 | British | 74 years |
| Dean Thorvald Wetteland | Director | 10 Apr 2017 | 24 Nov 2021 | British | 50 years |
| Fiona Jane Mcdiarmid | Director | 20 Feb 2019 | 28 Feb 2022 | British | 65 years |
| Hilary Louise Jones | Secretary | 26 Apr 2012 | 7 Jan 2019 | - | - |
| Ian James Mackie | Director | 17 Jun 2016 | 13 Jun 2017 | British | 49 years |
| John Reginald Baskerville | Director | 25 Mar 2002 | 16 May 2005 | British | 87 years |
| Karen Elizabeth Knight | Director | 9 Feb 2017 | 31 Jan 2020 | British | 66 years |
| Martin Christopher Hopkins | Director | 3 Nov 2016 | 25 Jan 2017 | British | 62 years |
| Michael Lancaster Britch | Director | 9 Feb 2017 | 31 Jan 2018 | British | 68 years |
| Nicholas Edward Frogbrook | Director | 17 Feb 2020 | 26 Apr 2022 | British | 51 years |
| Paul William Adams | Director | 14 May 2003 | 31 Mar 2011 | British | 73 years |
| Peter Michael Hawes | Director | 25 Mar 2002 | 3 Nov 2016 | British | 76 years |
| Thomas Richard Mccabe | Director | 6 Dec 2016 | 9 Jan 2019 | British | 61 years |
| Timothy John Byles | Director | 12 Feb 2002 | 14 May 2003 | British | 68 years |
| Wyndham James Northam | Director | 16 May 2005 | 16 Mar 2006 | British | 97 years |
