| Company | Timeline | Status | |
| Red Semiconductor International Ltd Director • Company Director | 1 Feb 2024←1 Year 8 Months→Current | Active | |
| Extraordinary Cpu Software Research Ltd Director • Company Director | 13 Oct 2021←4 Years→Current | Active | |
| Calderwood Han Limited Director • Company Director | 7 Aug 1992←28 Years→8 Dec 2020 | Dissolved | |
