| Rol | Empresa | País | Estado | Período |
|---|---|---|---|---|
| Cargo | PENHALLOW GEOTHERMAL LIMITED | 🇬🇧United Kingdom | Activa | 3/2/2026 – presente |
| Cargo | MANHAY GEOTHERMAL LIMITED | 🇬🇧United Kingdom | Activa | 3/2/2026 – presente |
| Cargo | UNITED DOWNS LITHIUM LIMITED | 🇬🇧United Kingdom | Activa | 25/3/2026 – presente |
| Cargo | GEOGEN LIMITED | 🇬🇧United Kingdom | Activa | 3/2/2026 – presente |
| Cargo | GEOCUBED LIMITED | 🇬🇧United Kingdom | Activa | 5/4/2026 – 28/3/2022 |
| Cargo | UNITED DOWNS GEOTHERMAL LIMITED | 🇬🇧United Kingdom | Activa | 20/4/2026 – presente |
| Cargo | SKRL LIMITED | 🇬🇧United Kingdom | Disuelta | 5/5/2026 – presente |
| Cargo | GEON ENERGY LIMITED | 🇬🇧United Kingdom | Disuelta | 21/1/2026 – presente |
| Cargo | GEOTHERMAL ENGINEERING LIMITED | 🇬🇧United Kingdom | Activa | 3/6/2026 – presente |
| Cargo | BLUES MATCH LIMITED | 🇬🇧United Kingdom | Activa | 18/3/2026 – presente |
1/2/2024
appointed
4/11/2022
appointed
23/2/2007
appointed