| Role | Company | Country | Status | Date Range |
|---|---|---|---|---|
| Officer | CRESCENT OPS LIMITED | 🇬🇧Regno Unito | Active | 25/03/2026 – 22/12/2023 |
| Officer | XENTION LIMITED | 🇬🇧Regno Unito | Dissolved | 14/01/2026 – 30/06/2016 |
| Officer | XENTION PHARMA LIMITED | 🇬🇧Regno Unito | Active | 26/05/2026 – 30/06/2016 |
| Officer | ARIO PHARMA LIMITED | — | Dissolved | 25/05/2026 – present |
| Officer | VERYAN HOLDINGS LIMITED | 🇬🇧Regno Unito | Active | 05/06/2026 – 12/12/2018 |
| Officer | VERYAN ENDOVASCULAR LIMITED | — | Dissolved | 07/06/2026 – present |
22/12/2023
resigned
12/12/2018
resigned
09/03/2010
appointed