| Role | Company | Country | Status | Date Range |
|---|---|---|---|---|
| Officer | NANOTECH VENTURES LIMITED | — | Dissolved | 07/06/2026 – present |
| Officer | ANALYTICAL NANO TECHNOLOGIES (UK) LIMITED | — | Dissolved | 05/06/2026 – 31/07/2009 |
| Officer | EMINATE LIMITED | 🇬🇧Regno Unito | Active | 12/06/2026 – 11/06/2008 |
31/07/2009
resigned
09/07/2008
appointed
15/01/2007
appointed