| Company | Timeline | Status | |
E-Academy Limited Director • Director  | 6 Jan 2014←3 Years→19 Dec 2017  | Dissolved  | |
Stratum Learning & Development Limited Director • Director  | 11 May 2012←5 Years→8 Mar 2018  | Dissolved  | |
| Stratum Worldwide Limited Secretary • Unreported  | 11 Apr 2002←19 Years→11 Sep 2021  | Dissolved  | |
| Stratum Worldwide Limited Director • Director  | 1 Jun 2001←20 Years→11 Sep 2021  | Dissolved  | |
