| Alan Campbell Ritchie | Director | 23 Mar 2009 | 30 Sept 2009 | British | 58 years |
| Ansgar Bendiek | Director | 28 Nov 2006 | 22 Nov 2016 | German | 59 years |
| Biif Corporate Services Limited | Corporate Director | 16 Nov 2011 | 12 Nov 2015 | United Kingdom | - |
| Charlotte Louise Brunning | Director | 5 Oct 2012 | 9 Nov 2015 | British | 39 years |
| James Anthony O'halloran | Director | 22 Nov 2016 | 1 Feb 2023 | British | 50 years |
| Jane Catherine Barber | Director | 12 Mar 2008 | 19 Sept 2008 | British | 62 years |
| John Cann | Director | 28 Nov 2006 | 12 Mar 2008 | British | 72 years |
| John Mcdonagh | Director | 12 Mar 2008 | 23 Mar 2009 | British | 56 years |
| Klaus Boede | Secretary | 28 Nov 2006 | 30 Jun 2008 | German | - |
| Martin James Rawlinson | Director | 19 Sept 2008 | 22 Nov 2016 | British | 59 years |
| Matthias Alexander Reicherter | Director | 23 Mar 2009 | 16 Nov 2011 | German | 55 years |
| Michael Ryan | Director | 12 Mar 2008 | 23 Mar 2009 | Irish | 59 years |
| Peter John Sheldrake | Director | 29 Jun 2018 | 14 Nov 2023 | British | 66 years |
| Philip Peter Ashbrook | Director | 25 Jul 2014 | 29 Jun 2018 | British | 65 years |
| Priya Ruth Veerapen | Director | 14 Apr 2010 | 1 Apr 2015 | Malaysian | 45 years |
| Richard David Hoile | Director | 15 May 2013 | 25 Jul 2014 | British | 62 years |
| Robert Sean Mcclatchey | Director | 1 Mar 2010 | 14 Apr 2010 | British | 60 years |
| Roger Harold Potts | Director | 1 Dec 2006 | 14 Sept 2007 | British | 72 years |