| Role | Company | Country | Status | Date Range |
|---|---|---|---|---|
| Officer | SERTER HOLDINGS LIMITED | 🇬🇧Regno Unito | Active | 11/04/2026 – present |
| Officer | SERTER TOOLING LIMITED | 🇬🇧Regno Unito | Active | 13/05/2026 – present |
| Officer | GLOBAL TOOLING & ENGINEERING LIMITED | — | Dissolved | 31/05/2026 – present |
| Officer | SERTER MEDICAL LIMITED | 🇬🇧Regno Unito | Active | 19/05/2026 – present |
| Officer | JOHN MARTIN DESIGN ASSOCIATES LIMITED | 🇬🇧Regno Unito | Active | 19/01/2026 – 30/04/1999 |
15/05/2019
appointed
25/10/2013
appointed
21/08/1998
appointed