| Rol | Empresa | País | Estado | Período |
|---|---|---|---|---|
| Cargo | LIVERPOOL BIOMASS POWER LIMITED | — | Disuelta | 25/5/2026 – presente |
| Cargo | HELIUS HOLDCO 1 LTD | — | Disuelta | 4/6/2026 – presente |
| Cargo | DISTRIBUTED POWER SYSTEMS LIMITED | — | Disuelta | 14/6/2026 – presente |
| Cargo | HELIUS GREENFIELDS LTD | — | Disuelta | 4/6/2026 – presente |
| Cargo | HELIUS ENERGY GAMMA LTD | 🇬🇧United Kingdom | Disuelta | 3/6/2026 – 3/11/2014 |
| Cargo | RWE STALLINGBOROUGH LIMITED | — | Disuelta | 7/6/2026 – 25/9/2008 |
| Cargo | HELIUS ENERGY LIMITED | — | Disuelta | 13/6/2026 – 3/11/2014 |
3/11/2014
resigned
10/11/2010
appointed
9/6/2006
appointed