| Company | Timeline | Status | |
| Association Of Quality Control In Education And Teaching Director • Lecturer | 21 Jun 2013←5 Years→23 Aug 2018 | Active | |
| Yang's Limited Director • Lecturer | 19 Aug 2011←7 Years→1 Sep 2018 | Active | |
| Manlon Education Limited Director • Lecturer | 1 Oct 2009←8 Years→1 Sep 2018 | Active | |
