| Role | Company | Country | Status | Date Range |
|---|---|---|---|---|
| Person with significant control | OPTIGLASS LIMITED | — | Active | 18/06/2024 – present |
| Person with significant control | STARNA SCIENTIFIC LIMITED | 🇬🇧Regno Unito | Active | 18/06/2024 – present |
| Person with significant control | STARNA MANUFACTURING LIMITED | — | Active | 19/06/2024 – present |
| Person with significant control | STARNA LIMITED | 🇬🇧Regno Unito | Active | 09/06/2024 – present |
| Officer | STARNA MANUFACTURING LIMITED | — | Active | 24/02/2026 – present |
| Officer | HAINAULT BUSINESS PARK LIMITED | 🇬🇧Regno Unito | Active | 10/03/2026 – 01/09/2025 |
| Officer | OPTIGLASS LIMITED | — | Active | 24/02/2026 – present |
| Officer | STARNA SCIENTIFIC LIMITED | 🇬🇧Regno Unito | Active | 24/02/2026 – present |
| Officer | STARNA LIMITED | 🇬🇧Regno Unito | Active | 24/02/2026 – present |
01/09/2025
resigned
06/04/2016
appointed
09/11/1992
appointed