| Alan Christopher Martin | Secretary | 31 Mar 2011 | 31 Jul 2015 | British | - |
| Alan Christopher Martin | Director | 1 Jan 2009 | 31 Jul 2015 | British | 60 years |
| Edwin John Lawrie | Director | 14 Mar 2006 | 21 Dec 2007 | British | 65 years |
| James Alexander Pitt | Director | 14 Oct 2019 | 5 Dec 2022 | British | 52 years |
| James Michael Douglas Thomson | Director | 10 Jun 2019 | 31 Dec 2022 | British | 60 years |
| Jolyon Leonard Harrison | Director | 28 Apr 2017 | 10 Jun 2019 | British | 78 years |
| Joy Elizabeth Baldry | Secretary | 14 Mar 2006 | 31 Mar 2011 | British | - |
| Nicholas Christopher Holt | Director | 21 Dec 2007 | 30 Sept 2010 | British | 75 years |
| Paul Anthony Hewitt Wallwork | Director | 14 Mar 2006 | 31 Dec 2008 | British | 64 years |
| Scott Arthur Chamberlin | Director | 28 Apr 2017 | 6 Jul 2018 | British | 59 years |