| Company | Timeline | Status | |
| Climate Uncensored Ltd Director • Professor | 27 Jul 2022←1 Year 11 Months→16 Jul 2024 | Dissolved | |
| Oaklands Management Company Limited Director • Unreported | 21 Oct 2009←16 Years→Current | Active | |
| Greenstone+ Limited Director • Director & Lecturer | 19 Jun 2007←14 Years→1 Jan 2022 | Active | |
