| Rol | Empresa | País | Estado | Período |
|---|---|---|---|---|
| Cargo | NH COLLIERY LIMITED | 🇬🇧United Kingdom | Disuelta | 4/6/2026 – 26/7/2010 |
| Cargo | CELTIC MACHINES LTD | 🇬🇧United Kingdom | Activa | 15/4/2026 – 26/7/2010 |
| Cargo | METALLIC MINING LIMITED | 🇬🇧United Kingdom | Disuelta | 14/6/2026 – 26/7/2010 |
| Cargo | METAL INNOVATIONS HOLDINGS PLC | — | Disuelta | 12/6/2026 – 16/8/2020 |
16/8/2020
resigned
26/7/2010
resigned
5/7/2006
appointed