| Company | Timeline | Status | |
| Eulinkco International Corporation Limited Director • Vice General Manager | 29 Jan 2023←2 Years 9 Months→28 Oct 2025 | Dissolved | |
| Cambridge International Management Training Ltd Director • Manager | 19 Jun 2012←7 Years→30 Jun 2019 | Dissolved | |
| Cambridge International Management College Limited Director • Director | 19 Jul 2005←20 Years→Current | Active | |
| Cambridge International Management Limited Director • Manager | 28 Jan 2002←16 Years→9 Sep 2018 | Active | |
| Eulinkco International Corporation Limited Director • Director | 18 Jul 2000←18 Years→10 Dec 2018 | Dissolved | |
