| Company | Timeline | Status | |
| Archeath Limited Director • Agency Teacher  | 20 Oct 2006←8 Years→17 Nov 2014  | Active  | |
| Archeath Limited Secretary • Lecturer  | 20 Oct 2006←3 Years→7 Dec 2009  | Active  | |
| Archeath Limited Director • Lecturer  | 23 Nov 1999←6 Years→19 Oct 2006  | Active  | |
| Archeath Limited Secretary • Director  | 23 Nov 1999←5 Years→21 Dec 2004  | Active  | |
