| Company | Timeline | Status | |
| Quadrilect Limited Director • Director | 15 Jun 1994←20 Years→12 May 2015 | Active | |
| Quadrilect Limited Secretary • Director | 15 Jun 1994←8 Years→14 Apr 2003 | Active | |
| 29 Avenue Road Residents Company Limited Director • Company Executive | 5 Feb 1991←28 Years→27 Jan 2020 | Active | |
