| Adrian Micheal Nixon | Director | 31 Mar 2011 | 31 Mar 2014 | British | 56 years |
| Anya Majorie O'reilly | Director | 13 Feb 2013 | 15 Aug 2014 | British | 52 years |
| Bernadette Clare Barber | Secretary | 11 Apr 2002 | 3 Jun 2005 | British | - |
| Christopher Charles Aujard | Director | 31 Oct 2007 | 31 Mar 2011 | Australian | 64 years |
| Christopher George Ide | Director | 11 Jul 2003 | 15 Jul 2004 | British | 76 years |
| Christopher Martin Phillips | Nominee Director | 11 Apr 2002 | 19 Sept 2003 | British | 70 years |
| Gurdeep Singh Rai | Director | 1 Oct 2017 | 30 Sept 2019 | British | 45 years |
| Hilary Anne Staples | Director | 18 Jul 2016 | 21 Apr 2017 | British | 55 years |
| John Davies | Director | 1 Oct 2017 | 2 Aug 2019 | British | 55 years |
| John Robert Tovey | Director | 11 Jul 2003 | 29 Jul 2005 | British | 78 years |
| Martin Pierce Lewis | Director | 9 Jan 2014 | 31 Dec 2022 | British | 63 years |
| Matt Blake | Director | 1 Oct 2017 | 29 Jul 2021 | British | 52 years |
| Michael John Yardley | Nominee Director | 11 Apr 2002 | 11 Jul 2003 | British | 70 years |
| Michelle Anne Hill | Director | 1 Oct 2017 | 30 Apr 2019 | British | 49 years |
| Murray John Ross | Director | 11 Jul 2003 | 28 Jun 2007 | British | 79 years |
| Paul Frederick Thomas Langton | Director | 11 Jul 2003 | 31 Oct 2007 | British | 61 years |
| Simon Colin Mitchley | Director | 4 Feb 2015 | 31 Jul 2016 | British | 57 years |
| Stephen Shone | Director | 18 Apr 2002 | 11 Jul 2003 | British | 69 years |
| Stephen Shone | Director | 24 Sept 2003 | 13 Feb 2013 | British | 69 years |