| Angus Roch Bujalski | Secretary | 24 Nov 2016 | 10 Jan 2022 | - | - |
| Anthony Nutt | Director | 25 Jan 2008 | 15 Aug 2013 | British | 73 years |
| Christopher Richard Skaife | Secretary | 10 Jan 2022 | 4 Nov 2024 | - | - |
| Christopher Robin Tuffley | Director | 25 Jan 2008 | 20 Jan 2011 | British | 82 years |
| Frederick Riach Ironside Middleton | Director | 31 Aug 2008 | 19 Nov 2020 | British | 84 years |
| Ian David Stafford Beer | Director | 27 Nov 2007 | 20 Jan 2011 | British | 95 years |
| John Mervyn Owen | Director | 21 Oct 2010 | 26 May 2016 | British | 80 years |
| Judith Mary Metcalfe | Director | 11 Sept 2013 | 22 Aug 2025 | British | 68 years |
| Karena Gaye Vleck | Secretary | 29 Sept 2008 | 2 Sept 2016 | British | - |
| Malcolm Stanley Phillips | Director | 25 Jan 2008 | 31 Dec 2009 | British | 91 years |
| Malcolm Wharton | Director | 15 Jul 2013 | 15 Jul 2013 | British | 78 years |
| Margaret Mary Emer Mcgilloway | Director | 27 Jan 2016 | 19 Nov 2020 | British | 59 years |
| Michael John Christie | Director | 25 Jan 2008 | 31 Dec 2009 | British | 89 years |
| Miriam Duffy | Director | 23 Jun 2021 | 22 Feb 2024 | British | 55 years |
| Nicholas John Eastwood | Director | 31 Jul 2008 | 10 Jun 2011 | British | 67 years |
| Nigel Arthur Tarrant | Director | 27 Nov 2007 | 23 Nov 2019 | British | 73 years |
| Nigel John Henderson | Director | 25 Jan 2008 | 21 Nov 2019 | British | 75 years |
| Paul Edward Murphy | Director | 27 Nov 2007 | 21 Nov 2019 | British | 76 years |
| Paul Edwin Smith | Director | 31 Jul 2008 | 24 Dec 2014 | British | 69 years |
| Peter William Baines | Director | 25 Jan 2008 | 20 Aug 2015 | British | 84 years |
| Robert Fraser Udwin | Director | 25 Jan 2008 | 15 Jul 2013 | British | 67 years |
| Robert Fraser Udwin | Director | 15 Jul 2013 | 21 Nov 2019 | British | 67 years |
| Stephen Brian Pearson | Director | 11 Sept 2013 | 23 May 2024 | British | 63 years |
| Stephen Paul Brown | Director | 10 Jun 2011 | 24 Apr 2013 | British | 61 years |
| Timothy Roy Bonnett | Secretary | 27 Nov 2007 | 29 Sept 2008 | British | - |