| Agustin Huerta Martinez | Director | 7 Aug 2014 | 20 May 2016 | Spanish | 66 years |
| Andrew Raymond Donaldson | Director | 3 Oct 2016 | 2 Aug 2018 | British | 65 years |
| Antonio Perez Collar | Director | 8 May 2014 | 20 Jul 2015 | Spanish | 72 years |
| Bautista Rodriguez Sanchez | Director | 28 Jun 2011 | 29 Jan 2016 | Spanish | 65 years |
| Brian Horne | Director | 9 Mar 2023 | 17 May 2023 | British | 41 years |
| Burness (directors) Limited | Corporate Director | 17 Feb 2010 | 17 Feb 2010 | United Kingdom | - |
| Burness Llp | Corporate Secretary | 17 Feb 2010 | 17 Feb 2010 | United Kingdom | - |
| Carmelo Scalone | Director | 28 Jun 2011 | 20 Dec 2013 | Italian | 59 years |
| Daniel Henry Finch | Director | 17 Feb 2010 | 28 Jun 2011 | British | 63 years |
| Daniel Henry Finch | Director | 28 Jun 2011 | 29 Jan 2016 | British | 63 years |
| Fengbo Zhao | Director | 20 May 2016 | 11 Apr 2017 | Chinese | 62 years |
| Gary George Gray | Director | 17 Feb 2010 | 17 Feb 2010 | British | 56 years |
| Gregorio Garcia Vigario | Director | 28 Jun 2011 | 8 May 2014 | Spanish | 60 years |
| Hehua Zhang | Director | 20 May 2016 | 14 May 2018 | Chinese | 64 years |
| Jade Allali | Secretary | 5 Nov 2020 | 21 Mar 2023 | - | - |
| James Paul Alexander Goddard | Secretary | 21 Mar 2023 | 10 Jul 2024 | - | - |
| Joao Paulo Nogueira De Sousa Costeira | Director | 19 Feb 2014 | 29 Jan 2016 | Portuguese | 61 years |
| Joel Bonnar Staadecker | Director | 17 Feb 2010 | 28 Jun 2011 | United States | 80 years |
| John Mackay Yorston | Director | 27 Jun 2023 | 22 Apr 2024 | British | 53 years |
| John O'connor | Director | 5 Nov 2020 | 9 Sept 2022 | Irish | 52 years |
| John O'connor | Director | 29 Feb 2024 | 16 May 2025 | Irish | 52 years |
| Jonathan Guy Madgwick | Director | 8 Nov 2018 | 28 Feb 2023 | British | 66 years |
| Jose Luise Bernal Catalan | Director | 28 Jun 2011 | 12 Feb 2013 | Spanish | 58 years |
| Joseph Stephen Brewster | Director | 23 Jun 2022 | 24 Apr 2023 | British | 39 years |
| Juan Casanueva | Director | 26 Feb 2013 | 6 Aug 2014 | Spanish | 67 years |
| Julio Cortezon Santaclara | Director | 28 Jun 2011 | 6 Aug 2014 | Spanish | 61 years |
| Kaihong Zhang | Director | 20 May 2016 | 22 Aug 2022 | Chinese | 50 years |
| Li Xinlu | Director | 14 May 2018 | 24 Mar 2022 | Chinese | 58 years |
| Liqing Pan | Director | 11 Apr 2017 | 5 Nov 2020 | Chinese | 42 years |
| Liqing Pan | Director | 22 Aug 2022 | 6 Oct 2022 | Chinese | 42 years |
| Maria Lourdes Rodriguez Gutierrez | Director | 10 May 2016 | 10 May 2016 | Spanish | 64 years |
| Pablo Muntanola Gomez-acebo | Director | 21 Jul 2015 | 20 May 2016 | Spanish | 52 years |
| Patrick Timothy Keane | Director | 9 Sept 2022 | 29 Feb 2024 | Irish | 56 years |
| Paul Gerard Smith | Director | 5 Nov 2020 | 15 Jul 2022 | Irish | 56 years |
| Philip Merson | Secretary | 17 Feb 2010 | 28 Jun 2011 | - | - |
| Robert Dow Mcmurray | Secretary | 11 Jun 2018 | 5 Nov 2020 | - | - |
| Ronald Bonnar | Director | 17 Feb 2010 | 30 Sept 2016 | British | 63 years |
| Shi Weifei | Director | 17 May 2023 | 3 Oct 2023 | Chinese | 47 years |
| Simon Andrew Robinson | Director | 24 Mar 2022 | 11 May 2022 | British | 49 years |
| Victor Peon Sanchez | Director | 7 Aug 2014 | 10 May 2016 | Spanish | 70 years |
