| Role | Company | Country | Status | Date Range |
|---|---|---|---|---|
| Person with significant control | CHEMISPHERE LIMITED | 🇬🇧Regno Unito | Active | 11/06/2024 – present |
| Officer | ALCHEMA ENVIRONMENTAL SERVICES LIMITED | — | Dissolved | 11/06/2026 – 27/11/2006 |
| Officer | CHEMISPHERE LIMITED | 🇬🇧Regno Unito | Active | 31/05/2026 – present |
06/04/2016
appointed
27/11/2006
resigned
24/09/1996
appointed