| Afshan Ahmed | Director | 10 Nov 2000 | 1 Dec 2001 | British | 66 years |
| Agnieszka Ciepinska | Director | 2 Jun 2010 | 11 Jul 2014 | German | 54 years |
| Alan Geoffrey Moore | Director | 19 Jan 2004 | 13 May 2004 | British | 77 years |
| Alan Smith | Director | 1 Dec 2001 | 19 Jan 2004 | British | 65 years |
| Alexandra Jane Linsell | Director | 23 Jul 2015 | 16 Jun 2017 | British | 46 years |
| Andrew John Bown | Director | 6 Nov 2018 | 24 Oct 2019 | British | 47 years |
| Andrew John Swanson | Director | 18 Jan 1999 | 28 Sept 2000 | British | 76 years |
| Andrew John Swanson | Secretary | 18 Jan 1999 | 28 Sept 2000 | British | - |
| Catherine Mary Springett | Director | 18 Jan 1999 | 10 Nov 2000 | British | 69 years |
| Christian Moldan | Director | 11 Jul 2014 | 31 Jan 2020 | German | 52 years |
| Christian Moldan | Director | 4 Aug 2023 | 31 Oct 2023 | German | 52 years |
| Christian Moldan | Director | 29 Jul 2025 | 5 Sept 2025 | German | 52 years |
| Christian Richard Kurt Schrimpf | Director | 1 Jul 2020 | 6 Jul 2022 | German | 48 years |
| Christian Rudiger Mockl | Director | 23 Sept 2015 | 1 Jul 2020 | German | 53 years |
| Christiane Strahl | Director | 15 Dec 2011 | 30 Jun 2015 | German | 54 years |
| Christopher David Barras | Secretary | 15 Jul 2009 | 30 Jun 2020 | British | - |
| Christopher Hugh Griffiths | Director | 1 May 2015 | 22 Jul 2015 | British | 54 years |
| Hans Buenting | Director | 1 Mar 2015 | 14 Feb 2017 | German | 62 years |
| James Cavanagh | Director | 6 Jul 2022 | 30 Jun 2024 | British | 65 years |
| Jason Anthony Keene | Director | 10 Nov 2000 | 19 Jan 2004 | British | 56 years |
| Jason Anthony Keene | Secretary | 28 Sept 2000 | 19 Jan 2004 | British | - |
| Jonathan Graham Coleridge Boles | Director | 9 May 2014 | 6 Nov 2018 | British | 66 years |
| Jonathan Graham Coleridge Boles | Director | 18 Jun 2010 | 28 Feb 2011 | British | 66 years |
| Jonathan Guy Madgwick | Director | 1 Jun 2005 | 18 Jul 2006 | British | 66 years |
| Kai Peter Zoellmann | Director | 20 Sept 2012 | 23 Sept 2015 | German | 57 years |
| Karl Ben Smith | Director | 30 Oct 2015 | 24 Aug 2022 | Australian | 49 years |
| Keith Moseley | Director | 2 Aug 2007 | 30 Apr 2010 | British | 61 years |
| Kevin Mccullough | Director | 1 May 2004 | 30 Sept 2009 | British | 61 years |
| Marc Matzke | Director | 24 Apr 2013 | 1 Feb 2017 | German | 49 years |
| Martin Andre-ferreira | Director | 14 Feb 2017 | 1 Jul 2020 | British | 48 years |
| Martin Skiba | Director | 1 Oct 2009 | 6 Feb 2013 | German | 62 years |
| Paul Coffey | Director | 1 Oct 2009 | 28 Feb 2015 | British | 57 years |
| Paul Leslie Cowling | Director | 2 Aug 2007 | 30 Apr 2010 | British | 66 years |
| Paul Leslie Cowling | Director | 7 Feb 2013 | 20 Jan 2020 | British | 66 years |
| Peter James Williams | Director | 16 May 2013 | 1 May 2015 | British | 68 years |
| Peter Russell Sharman | Director | 12 Dec 2008 | 19 Sept 2012 | British | 59 years |
| Rachael Marie Garrett | Director | 16 Jun 2017 | 15 Mar 2018 | British | 51 years |
| Richard Jennings Sandford | Director | 19 Oct 2009 | 1 Jul 2020 | British | 55 years |
| Silke Schulte | Director | 2 Jun 2010 | 15 Dec 2011 | German | 60 years |
| Simon John Wells | Secretary | 19 Jan 2004 | 13 Mar 2006 | British | - |
| Swift Incorporations Limited | Corporate Nominee Secretary | 18 Jan 1999 | 18 Jan 1999 | United Kingdom | - |
| Tania Louise Songini | Director | 1 Mar 2011 | 30 Apr 2014 | British | 57 years |
| Thierry Aelens | Director | 19 Oct 2009 | 19 Sept 2012 | Belgian | 56 years |
| Thomas Michel | Director | 1 Jul 2020 | 7 Dec 2023 | German | 48 years |
| Tony Lyon | Director | 24 Aug 2022 | 22 Mar 2024 | British | 66 years |
