| Role | Company | Country | Status | Date Range |
|---|---|---|---|---|
| Officer | FRONTIER METABOLICS LIMITED | 🇬🇧Regno Unito | Dissolved | 14/01/2026 – 22/03/2019 |
| Officer | ONCOCIDIA LIMITED | 🇬🇧Regno Unito | Active | 12/05/2026 – 09/11/2023 |
| Officer | FRONTIER BIOSCIENCES LIMITED | 🇬🇧Regno Unito | Active | 12/05/2026 – 22/03/2019 |
| Officer | CETROMED MANAGEMENT LIMITED | 🇬🇧Regno Unito | Dissolved | 12/05/2026 – 22/03/2019 |
| Officer | FRONTIER ONCOLOGY LIMITED | 🇬🇧Regno Unito | Active | 12/05/2026 – 22/03/2019 |
| Officer | DORCHESTER CAPITAL LIMITED | 🇬🇧Regno Unito | Dissolved | 05/05/2026 – present |
| Officer | WODEN CORPORATE FINANCE LIMITED | 🇬🇧Regno Unito | Active | 13/05/2026 – present |
09/11/2023
resigned
22/03/2019
resigned
05/11/2013
appointed