| Rol | Empresa | País | Estado | Período |
|---|---|---|---|---|
| Cargo | DUNCAN RENEWABLE INVESTMENTS LIMITED | — | Activa | 14/5/2026 – presente |
| Cargo | DUNCAN ENERGY HOLDINGS LIMITED | — | Activa | 13/5/2026 – presente |
| Cargo | DUNCAN PLUMBING, HEATING & ELECTRICS LIMITED | — | Activa | 13/6/2026 – presente |
| Cargo | DUNCAN RENEWABLE INVESTMENTS LIMITED | — | Activa | 14/5/2026 – 7/4/2015 |
| Cargo | DUNCAN ENERGY HOLDINGS LIMITED | — | Activa | 13/5/2026 – 7/4/2015 |
| Cargo | DUNCAN PLUMBING, HEATING & ELECTRICS LIMITED | — | Activa | 13/6/2026 – 7/4/2015 |
13/6/2026
England → United Kingdom
3/12/2015
appointed
6/4/2010
appointed