| Alistair Charles Metcalfe | Secretary | 9 Feb 2018 | 1 Aug 2019 | - | - |
| Constance Wing-yin Lee | Director | 14 Dec 2021 | 9 Jun 2025 | British | 52 years |
| David John Flood | Director | 2 Oct 2018 | 24 Jun 2021 | British | 46 years |
| Duncan Dale | Director | 2 Oct 2018 | 2 Oct 2018 | British | 46 years |
| Eamon Roche | Secretary | 30 Sept 2015 | 9 Feb 2018 | - | - |
| Eivind Jacob Torblaa | Director | 24 Jun 2021 | 14 Dec 2021 | Norwegian | 64 years |
| Faheem Zaka Sheikh | Director | 1 May 2023 | 9 Jun 2025 | British | 42 years |
| Folasade Kafidiya-oke | Secretary | 1 Aug 2019 | 14 Dec 2021 | - | - |
| Jason Robert Crawford | Director | 3 Jun 2025 | 1 Jul 2025 | South African | 30 years |
| Javier Francisco Serrano Alonso | Director | 1 May 2023 | 9 Jun 2025 | Spanish | 48 years |
| Johan Olof Bostrom Heiskala | Director | 2 Oct 2018 | 14 Dec 2021 | Swedish | 42 years |
| Johan Olof Boström Heiskala | Director | 2 Oct 2018 | 31 Jan 2020 | Swedish | 42 years |
| Laurence Jon Fumagalli | Director | 14 Dec 2021 | 1 May 2023 | British | 54 years |
| Michael Robert O'neill | Director | 30 Sept 2015 | 2 Oct 2018 | British | 58 years |
| Nicholas Hexter | Director | 30 Sept 2015 | 2 Oct 2018 | British | 55 years |
| Sean Maguire | Director | 23 Jan 2020 | 15 Oct 2020 | Irish | 43 years |
| Stephen Bernard Lilley | Director | 14 Dec 2021 | 1 May 2023 | British | 58 years |