| Company | Timeline | Status | |
| Tant Laboratories Limited Director • Director | 11 Sep 2001←8 Years→6 Sep 2010 | Dissolved | |
| Essilor Limited Director • Managing Director | 25 Jun 1997←6 Months→8 Jan 1998 | Active | |
| Emnuk Limited Director • Chairman | 21 Jun 1991←5 Years→25 Apr 1997 | Active | |
