| Adam Alexander Valkin | Director | 14 Aug 2006 | 21 Jul 2008 | South African | 52 years |
| Adrian James Letts | Director | 25 May 2006 | 7 Jan 2015 | British | 53 years |
| Andrew Sidney Reeves | Director | 2 Feb 2012 | 7 Jan 2014 | British | 55 years |
| Charles Edward Bligh | Director | 10 May 2017 | 30 Jun 2018 | British | 58 years |
| Charles Henry Robertson Grimsdale | Director | 14 Aug 2006 | 18 Apr 2011 | British | 64 years |
| Christopher William Brocklesby | Director | 31 Aug 2011 | 7 Jan 2015 | British | 60 years |
| Claus Hojbjerg Anderson | Director | 29 Oct 2009 | 18 Apr 2011 | Danish | 61 years |
| Diana Mary Harding | Director | 7 Jan 2015 | 10 May 2017 | British | 59 years |
| Iain William Torrens | Director | 5 Jan 2015 | 31 Aug 2017 | British | 58 years |
| Jill Easterbrook | Director | 15 Aug 2012 | 7 Jan 2015 | British | 55 years |
| Jonathan Giles Thackray | Director | 1 Sept 2022 | 13 Feb 2023 | British | 53 years |
| Jonathan Mark Lloyd | Director | 18 Apr 2011 | 7 Jan 2015 | British | 60 years |
| Joshua Mark Green | Director | 24 Jul 2008 | 30 Oct 2009 | British | 60 years |
| Kate Ferry | Director | 30 Jun 2018 | 12 Mar 2021 | British | 53 years |
| Laurence Michael Mcdonald | Director | 12 Jun 2007 | 19 Feb 2008 | Irish | 63 years |
| Mark George | Director | 11 Jul 2011 | 15 Aug 2012 | British | 52 years |
| Michael Comish | Director | 25 May 2006 | 7 Jan 2015 | British | 61 years |
| Michael Comish | Secretary | 25 May 2006 | 22 Jan 2007 | British | - |
| Mika Salmi | Director | 23 Apr 2007 | 18 Apr 2011 | Usa | 61 years |
| Oliver Richard Shapleski | Secretary | 22 Jan 2007 | 18 Feb 2009 | New Zealander | - |
| Per Anders Von Zelowitz | Director | 21 Aug 2007 | 29 Oct 2009 | Swedish | 55 years |
| Phil John Eayres | Director | 12 Mar 2021 | 29 Feb 2024 | British | 57 years |
| Robert Antony Keith Salter | Director | 18 Apr 2011 | 17 Dec 2013 | British | 62 years |
| Timothy Simon Morris | Secretary | 7 Jan 2015 | 19 Dec 2024 | British | - |
| Tristia Adele Harrison | Director | 7 Jan 2015 | 31 Aug 2024 | British | 53 years |
