| Company | Timeline | Status | |
| Anaergia Limited Director • Director | 1 Oct 2012←4 Years→31 Jan 2017 | Active | |
| Cambridge Biorenewables Ltd Director • Unreported | 3 Jan 2012←14 Years→Current | Active | |
Renewables East Director • Scientist | 18 Dec 2003←11 Months→3 Dec 2004 | Dissolved | |
