| Abdulla Mohamed Al-ansari | Director | 17 May 2018 | 22 May 2025 | Qatari | 38 years |
| Ahmed Bin Fahad Al-thani | Director | 22 May 2017 | 17 May 2018 | Qatari | 37 years |
| Alice Morgan | Secretary | 10 Feb 2017 | 31 Mar 2017 | - | - |
| Alistair Graham Ray | Director | 31 Mar 2017 | 16 May 2018 | British | 52 years |
| Andrew Jonathan Agg | Director | 31 Mar 2017 | 20 Jul 2018 | British | 57 years |
| Andrew Marsden | Director | 28 Jan 2022 | 19 Jul 2023 | Canadian | 60 years |
| Aoife Mcmenamin | Director | 22 May 2017 | 29 Nov 2018 | Irish | 46 years |
| Christopher John Waters | Director | 10 Feb 2017 | 29 Oct 2018 | British | 59 years |
| Christopher Paul Bennett | Director | 31 Mar 2017 | 29 Oct 2018 | British | 55 years |
| David Andrew Howitt | Secretary | 31 Mar 2017 | 17 Jan 2020 | - | - |
| David Charles Bonar | Director | 10 Feb 2017 | 31 Mar 2017 | British | 55 years |
| Hamish Nihal Malcom De Run | Director | 6 Apr 2020 | 31 Aug 2021 | British | 50 years |
| Howard Charles Higgins | Director | 31 Mar 2017 | 24 May 2022 | British | 73 years |
| Iain Michael Coucher | Director | 26 Jan 2018 | 24 Mar 2020 | British | 65 years |
| Jaroslava Korpancova | Director | 15 Mar 2017 | 31 Aug 2022 | Czech | 52 years |
| Jianmin Bao | Director | 31 Mar 2017 | 23 Aug 2018 | Chinese | 58 years |
| Jianmin Bao | Director | 28 Jun 2019 | 26 May 2021 | Chinese | 58 years |
| Lucy Nicola Shaw | Director | 31 Mar 2017 | 29 Oct 2018 | British | 57 years |
| Mark Stuart Cooper | Secretary | 31 Mar 2017 | 15 Jan 2020 | - | - |
| Martin Bradley | Director | 31 Mar 2017 | 28 Nov 2018 | British | 55 years |
| Michael John Gregory | Director | 22 May 2017 | 15 May 2019 | British | 58 years |
| Nicholas John Axam | Director | 17 May 2018 | 28 Jan 2022 | Australian | 47 years |
| Perry Denis Noble | Director | 24 Apr 2017 | 29 Mar 2024 | British | 66 years |
| Peter Francis Hofbauer | Director | 31 Mar 2017 | 26 Jan 2018 | Australian | 66 years |
| Richard Greenleaf | Director | 22 May 2017 | 10 Aug 2017 | British | 45 years |
| Richard Greenleaf | Director | 28 Nov 2018 | 23 Nov 2023 | British | 45 years |
| Stuart Calvin Humphreys | Director | 20 Jul 2018 | 29 Oct 2018 | British | 63 years |
| William David George Price | Director | 23 Nov 2023 | 23 Oct 2024 | British | 42 years |