| Rol | Empresa | País | Estado | Período |
|---|---|---|---|---|
| Cargo | NANOTECH VENTURES LIMITED | — | Disuelta | 7/6/2026 – presente |
| Cargo | ANALYTICAL NANO TECHNOLOGIES (UK) LIMITED | — | Disuelta | 5/6/2026 – 31/7/2009 |
| Cargo | EMINATE LIMITED | 🇬🇧United Kingdom | Activa | 12/6/2026 – 11/6/2008 |
31/7/2009
resigned
9/7/2008
appointed
15/1/2007
appointed