| Rol | Empresa | País | Estado | Período |
|---|---|---|---|---|
| Cargo | NADARA LIMITED | 🇬🇧United Kingdom | Activa | 14/1/2026 – 31/12/2025 |
| Cargo | VENTIENT ENERGY LIMITED | 🇬🇧United Kingdom | Activa | 22/4/2026 – 1/1/2020 |
| Cargo | HEADWIND LAMBRIGG WIND FARM LIMITED | — | Disuelta | 17/5/2026 – 14/12/2017 |
| Cargo | HEADWIND BEINN GHLAS WIND FARM LIMITED | — | Disuelta | 23/5/2026 – 14/12/2017 |
| Cargo | HEADWIND TAFF ELY WIND FARM LIMITED | — | Disuelta | 26/5/2026 – 14/12/2017 |
| Cargo | HEADWIND KIRKBY MOOR WIND FARM LIMITED | — | Disuelta | 26/5/2026 – 14/12/2017 |
| Cargo | GRAPHITE ENTERPRISES (DEP) LIMITED | — | Liquidación | 5/6/2026 – 22/7/2009 |
| Cargo | GRAPHITE RESOURCES LIMITED | — | Disuelta | 5/6/2026 – 22/7/2009 |
| Cargo | GRAPHITE RESOURCES (DEP) LIMITED | 🇬🇧United Kingdom | Disuelta | 18/2/2026 – 22/7/2009 |
31/12/2025
resigned
1/1/2024
appointed
1/7/2008
appointed