| Alistair Graham Ray | Director | 13 Mar 2019 | 15 May 2019 | British | 52 years |
| Amanda Vanderneth Leness | Director | 13 Mar 2019 | 18 May 2022 | British,american | 59 years |
| Andrew Julian Frederick Cox | Director | 22 Jan 2014 | 14 Jun 2016 | British | 59 years |
| Charles Doyle | Secretary | 18 Sept 2013 | 15 Nov 2017 | British | - |
| Christopher James Young | Director | 8 Dec 2011 | 18 Dec 2013 | British | 45 years |
| Hackwood Secretaries Limited | Corporate Secretary | 17 Oct 2011 | 18 Sept 2013 | United Kingdom | - |
| Jamie Pritchard | Director | 7 Jun 2019 | 21 Apr 2023 | British | 55 years |
| John Ivor Cavill | Director | 15 Jul 2015 | 13 Mar 2019 | British | 54 years |
| Karsten Moeller | Director | 22 May 2015 | 22 Sept 2016 | German | 49 years |
| Karsten Moeller | Director | 15 Jul 2019 | 11 Dec 2024 | German | 49 years |
| Klaus Michael Kolof | Director | 12 Oct 2012 | 19 Mar 2014 | German | 59 years |
| Mads Lerche Holstein | Director | 18 May 2022 | 1 Feb 2025 | Danish | 43 years |
| Michael Edward Binnington | Director | 14 Dec 2020 | 21 Sept 2022 | British | 59 years |
| Norbert Gerhard Josef Heller | Director | 19 Mar 2014 | 22 May 2015 | German | 48 years |
| Paul Alan Newcombe | Director | 17 Oct 2011 | 8 Dec 2011 | British | 61 years |
| Petra Regge | Director | 22 Sept 2016 | 15 May 2019 | German | 53 years |
| Scott Bruce Michael Moseley | Director | 8 Dec 2011 | 27 Jun 2013 | British | 48 years |
| Scott Bruce Michael Moseley | Director | 25 Aug 2016 | 13 Mar 2019 | British | 48 years |
| Stephen Charles Todd | Director | 8 Dec 2011 | 23 Jan 2017 | British | 57 years |
| Stephen Paul Halliwell | Director | 25 Jul 2013 | 17 Jun 2015 | British | 57 years |
| Tim John Kashem | Director | 8 Dec 2011 | 1 Feb 2019 | British | 56 years |
