| Company | Timeline | Status | |
| Druidstone Management Limited Director • Software Engineer | 11 Nov 2000←8 Years→20 May 2009 | Active | |
| Applied Control Technology Limited Secretary • Unreported | 26 Feb 1997←28 Years→Current | Active | |
| Applied Control Technology Limited Director • Software Engineer | 9 Oct 1996←4 Months→26 Feb 1997 | Active | |
