| Company | Timeline | Status | |
| Institute Of Ergonomics And Human Factors Director • Ergonomist | 19 Apr 2021←2 Years 1 Month→2 Jun 2023 | Active | |
| Science Witness Ltd Director • Consultant | 19 Mar 2019←3 Years→19 Apr 2022 | Dissolved | |
| Open Road Simulation Ltd Director • Lecturer | 14 Oct 2011←14 Years→Current | Active | |
