| Company | Timeline | Status | |
| General Semiconductor Industries Limited Director • Sales Director | 1 Apr 2000←7 Years→15 Jun 2007 | Active | |
| General Semiconductor Limited Director • Electronic Engineer | 20 Feb 1997←25 Years→22 Feb 2022 | Dissolved | |
Hunter Cable Assembly Limited Director • Director | 23 Aug 1991←5 Years→31 Aug 1996 | Dissolved | |
