| Company | Timeline | Status | |
| Cheesecake Energy Limited Director • Company Director | 13 Sep 2021←4 Years→Current | Active | |
| Trent Basin Esco Ltd Director • University Professor | 23 Feb 2018←7 Months→9 Oct 2018 | Active | |
| Tetrafloat Limited Director • University Professor | 24 Sep 2012←13 Years→Current | Active | |
Nimrod Energy Limited Director • University Professor (mechanic | 2 Nov 2010←6 Years→13 Dec 2016 | Dissolved | |
