| Company | Timeline | Status | |
| Purolite (Int.) Ltd Secretary • Unreported | 15 Dec 1999←16 Years→21 Jul 2016 | Active | |
| Bro-Tech Limited Secretary • Unreported | 17 Jul 1992←24 Years→21 Jul 2016 | Active | |
| Purolite Ltd Secretary • Financial Controller | 17 Jul 1992←24 Years→21 Jul 2016 | Active | |
