| Company | Timeline | Status | |
| Trek Holding Company Ii Limited Director • Executive | 12 Nov 2008←1 Year 7 Months→15 Jun 2010 | Dissolved | |
| Trek Holding Company Limited Director • Executive | 12 Nov 2008←1 Year 7 Months→15 Jun 2010 | Dissolved | |
| Trek Diagnostic Systems Limited Director • Executive | 12 Nov 2008←1 Year 7 Months→15 Jun 2010 | Active | |
