| Andrew Christopher Wordsworth | Director | 25 Jan 2006 | 31 May 2011 | British | 56 years |
| Anthony Howard Stockwell | Secretary | 9 Aug 2004 | 9 Jul 2010 | British | - |
| Bradley Paul Duncan | Secretary | 26 Feb 2015 | 12 Dec 2018 | - | - |
| Christopher Alan Stark | Director | 29 Apr 2024 | 31 Jul 2024 | British | 48 years |
| Claire Anne Williams | Secretary | 9 Jul 2010 | 26 Sept 2014 | British | - |
| Gina Verissimo Hall | Director | 4 Oct 2012 | 1 Nov 2022 | American | 65 years |
| Ian Frederick Stephenson | Director | 31 Jan 2006 | 27 Sept 2012 | English | 78 years |
| Laura Byrne | Secretary | 11 Mar 2019 | 22 Sept 2023 | - | - |
| Matthew Alan Friend | Director | 18 Sept 2008 | 31 May 2011 | British | 52 years |
| Milena Radoycheva | Secretary | 4 Dec 2023 | 31 Mar 2024 | - | - |
| Nicholas Timon Drakesmith | Director | 20 Jul 2020 | 25 Apr 2024 | British | 61 years |
| Nqh (co Sec) Limited | Corporate Nominee Secretary | 27 Apr 2004 | 9 Aug 2004 | - | - |
| Nqh Limited | Corporate Nominee Director | 27 Apr 2004 | 9 Aug 2004 | United Kingdom | - |
| Rosemary Jane Cecilia Boot | Director | 9 Aug 2004 | 1 Aug 2011 | British | 64 years |
| Thomas Auguste Read Delay | Director | 9 Aug 2004 | 31 Mar 2024 | British | 67 years |