| Christian Schreyer | Director | 5 Nov 2021 | 31 Oct 2023 | German | 58 years |
| Christopher Moyes | Director | 1 Feb 2002 | 8 Jul 2006 | British | 77 years |
| David Allen Brown | Director | 1 Apr 2011 | 5 Nov 2021 | British | 66 years |
| Dickinson Dees | Corporate Nominee Secretary | 6 Mar 2001 | 1 Feb 2002 | - | - |
| Elodie Marie Francoise Brian | Director | 5 Jun 2019 | 27 Sept 2021 | French | 47 years |
| Gordon Alexander Boyd | Director | 28 Sept 2021 | 28 Mar 2022 | British | 66 years |
| Ian Philip Butcher | Director | 1 Feb 2002 | 1 Jul 2007 | British | 75 years |
| Ian Philip Butcher | Secretary | 1 Feb 2002 | 30 Jun 2006 | British | - |
| Keith Down | Director | 7 Mar 2011 | 6 Dec 2015 | British | 61 years |
| Keith Lawrence Ludeman | Director | 10 Jul 2006 | 2 Jul 2011 | British | 76 years |
| Martin Stanley Andrew Ballinger | Director | 1 Feb 2002 | 31 Dec 2004 | British | 83 years |
| Nicholas Swift | Director | 17 Jul 2007 | 7 Mar 2011 | British | 62 years |
| Simon Patrick Butcher | Director | 14 Mar 2016 | 30 Nov 2018 | British | 59 years |
| Timothy James Care | Nominee Director | 6 Mar 2001 | 1 Feb 2002 | British | 65 years |