| Company | Timeline | Status | |
| Minerva Change Services Ltd Director • Professor Of Engineering | 18 Sep 2014←1 Day→18 Sep 2014 | Active | |
| Rheologic Limited Secretary • Lecturer | 28 Apr 1998←27 Years→Current | Active | |
| Rheologic Limited Director • Lecturer | 28 Apr 1998←27 Years→Current | Active | |
