| Company | Timeline | Status | |
| Ap Filtration Limited Secretary • Accountant  | 16 Oct 2003←8 Years→18 May 2012  | Active  | |
| Ap Filtration Limited Secretary • Accountant  | 21 Oct 2002←6 Months→13 May 2003  | Active  | |
| APPH Limited Secretary • Financial Controller  | 15 Jun 2000←11 Years→21 May 2012  | Active  | |
