| Andrea Cicero | Director | 17 Apr 2013 | 24 Apr 2018 | Italian | 55 years |
| Catherine Helena Cole | Director | 14 Nov 2024 | 11 Jun 2025 | British | 57 years |
| Iain Stuart Urquhart | Director | 4 Dec 2019 | 31 May 2022 | British | 61 years |
| James Edward Macgregor Drummond | Director | 17 Apr 2013 | 3 Sept 2014 | British | 64 years |
| Karen Veronica Hayzen-smith | Director | 24 Apr 2018 | 4 Dec 2019 | British | 56 years |
| Luis Francisco Inigo Moreno-ventas | Director | 17 Apr 2013 | 4 Dec 2019 | Spanish | 50 years |
| Luis Francisco Inigo Moreno-ventas | Secretary | 17 Apr 2013 | 12 Nov 2014 | - | - |
| Shaun Doherty | Director | 31 May 2022 | 30 Sept 2024 | British | 58 years |