| Alistair Buxton Urquhart | Director | 29 Sept 2009 | 27 Nov 2014 | Australian | 79 years |
| Andrew Paul Hodges | Director | 13 May 2019 | 23 Aug 2019 | British | 56 years |
| Aruna Boyland | Director | 20 Jan 2011 | 26 Jun 2012 | British | 79 years |
| Catherine Trevorrow | Secretary | 4 Mar 2019 | 13 Sept 2019 | - | - |
| Christopher Raymond Seel | Director | 25 Apr 2012 | 28 Sept 2012 | British | 59 years |
| David George Phipps | Director | 30 Jul 2018 | 30 Apr 2019 | British | 56 years |
| Frederick James Mccrindle | Director | 31 Dec 2012 | 14 Apr 2015 | British | 77 years |
| Jacqueline Maria Oughton | Director | 4 Jun 2021 | 30 Sept 2022 | British | 62 years |
| John Lloyd Bateup | Director | 29 Sept 2009 | 27 Nov 2014 | Australian | 67 years |
| Kay Sutton | Director | 7 Sept 2011 | 20 Mar 2012 | English | 52 years |
| Kay Sutton | Director | 18 Dec 2012 | 9 Feb 2021 | English | 52 years |
| Louise Sarah Taylor | Director | 2 Sept 2011 | 31 Dec 2012 | English | 48 years |
| Nicholas Oliver Carey | Secretary | 18 Jul 2017 | 4 Mar 2019 | - | - |
| Nicholas Oliver Charles Carey | Director | 13 May 2019 | 5 Jul 2019 | British | 40 years |
| Peter David Holmes | Director | 26 Jun 2012 | 9 Feb 2021 | British | 73 years |
| Raoul Michael Pinnell | Director | 29 Sept 2009 | 20 Jan 2011 | British | 75 years |
| Roy Langley O'shaughnessy | Director | 29 Sept 2009 | 30 Jul 2018 | British | 71 years |
| Roy Langley O'shaughnessy | Secretary | 2 Oct 2009 | 18 Jul 2017 | British | - |
| Stephen Noel King | Director | 9 Feb 2021 | 28 Jul 2023 | British | 62 years |
| Stephen Noel King | Secretary | 29 Oct 2019 | 26 Jan 2021 | - | - |