| Company | Timeline | Status | |
Airo Robotics Limited Director • Engineer | 6 Feb 2003←12 Years→21 Jul 2015 | Dissolved | |
| Grey Cygnet Limited Secretary • Unreported | 19 Dec 1990←34 Years→Current | Active | |
| Grey Cygnet Limited Director • Unreported | 1 Jan 1970←55 Years→Current | Active | |
