| Company | Timeline | Status | |
| Technical Absorbents Limited Director • General Manager | 18 Apr 1994←7 Years→1 Dec 2001 | Active | |
| Lenzing Fibers Limited Director • General Manager | 1 Jan 1994←6 Years→15 Nov 2000 | Active | |
| Holywell-Halkyn Mining And Tunnel Company Limited Director • General Manager | 1 Oct 1992←7 Years→28 Jun 2000 | Active | |
