| Company | Timeline | Status | |
| Synsemetrics Limited Director • Psychologist | 2 May 1997←28 Years→Current | Active | |
| Hectare Limited Director • Psychologist | 5 Oct 1991←34 Years→Current | Active | |
| Psychometric Research & Development Limited Director • Psychologist | 15 Mar 1991←34 Years→Current | Active | |
