| Rol | Empresa | País | Estado | Período |
|---|---|---|---|---|
| Cargo | O T DRILLING LTD | 🇬🇧United Kingdom | Activa | 8/6/2026 – 6/7/2007 |
| Cargo | CONNECTORCO LIMITED | 🇬🇧United Kingdom | Disuelta | 17/12/2025 – 16/6/2016 |
| Cargo | USYSTEMS LIMITED | 🇬🇧United Kingdom | Activa | 18/3/2026 – 30/10/2012 |
16/6/2016
resigned
30/10/2012
resigned
12/12/2002
appointed