| Rol | Empresa | País | Estado | Período |
|---|---|---|---|---|
| Cargo | ATMOSTEK LTD | 🇬🇧United Kingdom | Disuelta | 21/4/2026 – 25/8/2017 |
| Cargo | BUILDING INTEGRATED PHOTOVOLTAICS LIMITED | 🇬🇧United Kingdom | Activa | 13/5/2026 – 31/3/2015 |
| Cargo | SPECIFIC INNOVATIONS LIMITED | — | Disuelta | 15/5/2026 – 20/1/2019 |
| Cargo | ICED TECHNOLOGIES LTD | — | Disuelta | 19/5/2026 – presente |
20/1/2019
resigned
25/8/2017
resigned
17/4/2012
appointed