| Anish Krishna Parmar | Secretary | 8 Feb 2018 | 20 Dec 2019 | - | - |
| Anthony Charles Middleton | Director | 10 Apr 2014 | 21 May 2016 | British | 49 years |
| Benjamin Edward Brooks | Director | 20 Dec 2019 | 4 May 2020 | Irish | 35 years |
| Bruce Jeremy Usher | Director | 10 Apr 2014 | 21 May 2016 | British | 58 years |
| Huiyan Geng | Director | 7 Dec 2016 | 8 Feb 2018 | Chinese | 49 years |
| Jijun Jun Shi | Director | 20 May 2016 | 7 Dec 2016 | German | 65 years |
| Jijun Jun Shi | Director | 17 Apr 2017 | 8 Feb 2018 | German | 65 years |
| Juan Luis Perez Sendelbach | Director | 4 May 2020 | 23 Aug 2021 | Spanish | 52 years |
| Karin Stephanie Kaiser | Director | 8 Feb 2018 | 15 Aug 2022 | British | 39 years |
| Kevin Andrew Bower | Director | 10 Apr 2014 | 21 May 2016 | British | 57 years |
| Lee Shamai Moscovitch | Director | 8 Feb 2018 | 31 Aug 2023 | British | 50 years |
| Luc Roger Leenknegt | Director | 10 Apr 2014 | 21 May 2016 | Belgian | 58 years |
| Marco Rossi | Director | 23 Aug 2021 | 30 Apr 2024 | Italian | 45 years |
| Michael Liow Ha Kow | Secretary | 20 Dec 2019 | 23 Aug 2021 | - | - |
| Ralph Simon Fleetwood Nash | Director | 20 Dec 2019 | 30 Apr 2024 | British | 39 years |
| Richard Anthony Cutler | Director | 10 Apr 2014 | 21 May 2016 | British | 58 years |
