| Rol | Empresa | País | Estado | Período |
|---|---|---|---|---|
| Cargo | RUPERT RESOURCES MANAGEMENT SOLUTIONS LTD | 🇬🇧United Kingdom | Activa | 12/3/2026 – presente |
| Cargo | ALTUS STRATEGIES LIMITED | 🇬🇧United Kingdom | Activa | 25/2/2026 – 31/1/2018 |
| Cargo | ALTAU RESOURCES LIMITED | 🇬🇧United Kingdom | Activa | 25/2/2026 – 31/1/2018 |
| Cargo | AKH GOLD LIMITED | 🇬🇧United Kingdom | Activa | 17/5/2026 – 31/1/2018 |
| Cargo | AEGIS EXPLORATION MANAGEMENT LIMITED | — | Disuelta | 22/5/2026 – 31/1/2018 |
| Cargo | ALUVANCE LIMITED | 🇬🇧United Kingdom | Disuelta | 11/2/2026 – 31/1/2018 |
| Cargo | AURAMIN LIMITED | 🇬🇧United Kingdom | Disuelta | 11/2/2026 – 31/1/2018 |
| Cargo | AEGIS ASSET MANAGEMENT LIMITED | — | Disuelta | 29/5/2026 – 31/1/2018 |
| Cargo | ATERIAN RESOURCES LIMITED | 🇬🇧United Kingdom | Activa | 16/5/2026 – 31/1/2018 |
| Cargo | AEGIS HOLDINGS LIMITED | — | Disuelta | 1/6/2026 – 31/1/2018 |
| Cargo | ALTUS EXPLORATION MANAGEMENT LIMITED | 🇬🇧United Kingdom | Activa | 25/2/2026 – 31/1/2018 |
| Cargo | AEOS GOLD LIMITED | 🇬🇧United Kingdom | Disuelta | 11/3/2026 – 31/1/2018 |
| Cargo | ZINNWALD LITHIUM HOLDINGS LIMITED | 🇬🇧United Kingdom | Activa | 18/5/2026 – 31/1/2017 |
| Cargo | HORIZONTE MINERALS PLC | 🇬🇧United Kingdom | Liquidación | 14/6/2026 – 16/9/2016 |
28/11/2025
appointed
31/1/2018
resigned
31/8/2010
appointed