| Andrew Martin Pollins | Director | 1 Apr 2020 | 12 Oct 2020 | British | 58 years |
| Carl Foreman | Director | 25 Oct 2013 | 22 Aug 2014 | British | 56 years |
| Christopher Stuart Thomas | Director | 12 Dec 2019 | 31 Jul 2020 | British | 42 years |
| Daniel Marinus Maria Vermeer | Director | 25 Sept 2017 | 15 Sept 2025 | Dutch | 44 years |
| Fabio D'alonzo | Director | 22 Aug 2014 | 10 Dec 2019 | Italian | 49 years |
| Francois Julien Hiernard | Director | 1 Jun 2022 | 11 Mar 2025 | French | 44 years |
| Hillary Sue Berger | Secretary | 25 Oct 2013 | 1 Jan 2016 | - | - |
| Jeremiah Joseph Moloney | Director | 13 Oct 2020 | 31 May 2022 | British | 59 years |
| Jeremy Montague Hughes | Director | 1 Jun 2022 | 13 Feb 2023 | British | 60 years |
| Matteo Maino | Director | 22 Aug 2014 | 12 Dec 2019 | Italian | 60 years |
| Paul William Evans | Director | 25 Oct 2013 | 22 Aug 2014 | British | 72 years |
| Roger Derek Simpson | Secretary | 25 Oct 2013 | 23 Jun 2014 | - | - |
| Roger Siegfried Alexander Kraemer | Director | 10 Dec 2019 | 28 Feb 2022 | German | 57 years |
| Sarah Jane Gregory | Secretary | 1 Jan 2016 | 23 Jul 2021 | - | - |
| Simon David Pinnell | Director | 25 Oct 2013 | 31 Mar 2020 | British | 61 years |
| Sion Laurence Jones | Director | 22 Aug 2014 | 25 Sept 2017 | English | 51 years |
| Tze Hoong Siow | Director | 13 Oct 2020 | 31 Dec 2021 | British | 45 years |