| Company | Timeline | Status | |
| The Oh Research Ltd Director • Chief Executive | 2 Aug 2022←3 Years→Current | Active | |
| Mortimer Mackenzie Limited Director • Actuary | 4 Jul 2016←6 Years→2 May 2023 | Dissolved | |
| Mackenzie Macleod Limited Director • Director | 26 Oct 2011←14 Years→Current | Active | |
