| Role | Company | Country | Status | Date Range |
|---|---|---|---|---|
| Officer | KNOWSLEY ENERGY RECOVERY LIMITED | 🇬🇧United Kingdom | Active | 30/05/2026 – 26/01/2012 |
| Officer | ENER-G SUSTAINABLE TECHNOLOGIES LIMITED | — | Dissolved | 02/06/2026 – 26/01/2012 |
| Officer | AMBERROCK LTD. | — | Dissolved | 09/06/2026 – present |
| Officer | ER LAW LTD | — | Dissolved | 13/06/2026 – present |
| Officer | VIRIDIS ENERGY (NORGEN) LIMITED | 🇬🇧United Kingdom | Active | 12/01/2026 – 06/04/2006 |
26/01/2012
resigned
08/12/2009
appointed
07/07/1995
appointed