| Rol | Empresa | País | Estado | Período |
|---|---|---|---|---|
| Cargo | FRONTIER ONCOLOGY LIMITED | 🇬🇧United Kingdom | Activa | 12/5/2026 – 19/12/2021 |
| Cargo | CETROMED MANAGEMENT LIMITED | 🇬🇧United Kingdom | Disuelta | 12/5/2026 – presente |
| Cargo | ANTROTEC I.T. LIMITED | 🇬🇧United Kingdom | Disuelta | 12/5/2026 – presente |
| Cargo | CELLTONE SYSTEMS LIMITED | 🇬🇧United Kingdom | Disuelta | 12/5/2026 – presente |
| Cargo | IXEUNITE LIMITED | 🇬🇧United Kingdom | Disuelta | 12/5/2026 – presente |
| Cargo | FRONTIER BIOSCIENCES LIMITED | 🇬🇧United Kingdom | Activa | 12/5/2026 – 19/12/2021 |
| Cargo | GADMAN INVESTMENTS LIMITED | 🇬🇧United Kingdom | Disuelta | 12/5/2026 – presente |
| Cargo | AKMEN LIMITED | 🇬🇧United Kingdom | Disuelta | 12/5/2026 – presente |
| Cargo | FRONTIER METABOLICS LIMITED | 🇬🇧United Kingdom | Disuelta | 14/1/2026 – presente |
| Cargo | FRONTIER METABOLICS LIMITED | 🇬🇧United Kingdom | Disuelta | 14/1/2026 – presente |
| Cargo | NECROTRACER LIMITED | 🇬🇧United Kingdom | Disuelta | 11/3/2026 – presente |
| Cargo | ONCOCIDIA LIMITED | 🇬🇧United Kingdom | Activa | 12/5/2026 – presente |
| Cargo | FRONTIER ONCOLOGY LIMITED | 🇬🇧United Kingdom | Activa | 12/5/2026 – 22/3/2019 |
| Cargo | GADMAN INVESTMENTS LIMITED | 🇬🇧United Kingdom | Disuelta | 12/5/2026 – presente |
| Cargo | CELLTONE SYSTEMS LIMITED | 🇬🇧United Kingdom | Disuelta | 12/5/2026 – presente |
| Cargo | IXEUNITE LIMITED | 🇬🇧United Kingdom | Disuelta | 12/5/2026 – presente |
| Cargo | ANTROTEC I.T. LIMITED | 🇬🇧United Kingdom | Disuelta | 12/5/2026 – presente |
| Cargo | AKMEN LIMITED | 🇬🇧United Kingdom | Disuelta | 12/5/2026 – presente |
| Cargo | CETROMED MANAGEMENT LIMITED | 🇬🇧United Kingdom | Disuelta | 12/5/2026 – 22/3/2019 |
| Cargo | CETROMED LIMITED | 🇬🇧United Kingdom | Activa | 12/5/2026 – 19/12/2021 |
| Cargo | FRONTIER BIOSCIENCES LIMITED | 🇬🇧United Kingdom | Activa | 12/5/2026 – 19/12/2021 |
19/12/2021
resigned
22/3/2019
resigned
30/11/2015
appointed