| Company | Timeline | Status | |
| Golden Ratio Ltd Director • Director | 22 Apr 2003←22 Years→Current | Active | |
| Market Field Management Company Limited Director • Company Director | 29 Sep 1997←10 Years→10 Jul 2008 | Active | |
| Emmacane Limited Director • Engineer | 31 Dec 1990←34 Years→Current | Active | |
