| Role | Company | Country | Status | Date Range |
|---|---|---|---|---|
| Officer | LITECOOL LIMITED | — | Dissolved | 21/05/2026 – present |
| Officer | DARTON CERAMICS LIMITED | — | Dissolved | 22/05/2026 – present |
| Officer | TRANSLYTX LIMITED | 🇬🇧Regno Unito | Dissolved | 26/05/2026 – present |
| Officer | FARADION LIMITED | 🇬🇧Regno Unito | Active | 26/05/2026 – 30/12/2021 |
| Officer | TANGENTIX LIMITED | — | Dissolved | 01/06/2026 – present |
30/12/2021
resigned
23/12/2011
appointed
10/08/2009
appointed