| Company | Timeline | Status | |
| Erm Limited Director • Business Executive | 20 Nov 1995←3 Years→21 Dec 1998 | Active | |
| Erm-Asia Pacific Holdings, Limited Director • Enviromental Consultant | 26 Jun 1995←4 Years→18 Jan 2000 | Active | |
| Erm-Europe,Ltd Director • Principal | 3 Nov 1994←5 Years→18 Jan 2000 | Active | |
