| Role | Company | Country | Status | Date Range |
|---|---|---|---|---|
| Officer | ATMOSTEK LTD | 🇬🇧Regno Unito | Dissolved | 21/04/2026 – 25/08/2017 |
| Officer | BUILDING INTEGRATED PHOTOVOLTAICS LIMITED | 🇬🇧Regno Unito | Active | 13/05/2026 – 31/03/2015 |
| Officer | SPECIFIC INNOVATIONS LIMITED | — | Dissolved | 15/05/2026 – 20/01/2019 |
| Officer | ICED TECHNOLOGIES LTD | — | Dissolved | 19/05/2026 – present |
20/01/2019
resigned
25/08/2017
resigned
17/04/2012
appointed