| Role | Company | Country | Status | Date Range |
|---|---|---|---|---|
| Officer | LIVERPOOL BIOMASS POWER LIMITED | — | Dissolved | 25/05/2026 – present |
| Officer | HELIUS HOLDCO 1 LTD | — | Dissolved | 04/06/2026 – present |
| Officer | DISTRIBUTED POWER SYSTEMS LIMITED | — | Dissolved | 14/06/2026 – present |
| Officer | HELIUS GREENFIELDS LTD | — | Dissolved | 04/06/2026 – present |
| Officer | HELIUS ENERGY GAMMA LTD | 🇬🇧Regno Unito | Dissolved | 03/06/2026 – 03/11/2014 |
| Officer | RWE STALLINGBOROUGH LIMITED | — | Dissolved | 07/06/2026 – 25/09/2008 |
| Officer | HELIUS ENERGY LIMITED | — | Dissolved | 13/06/2026 – 03/11/2014 |
03/11/2014
resigned
10/11/2010
appointed
09/06/2006
appointed