| Company | Timeline | Status | |
| Highline Holdings Limited Secretary • Director | 18 Sep 2007←4 Years→17 Dec 2011 | Active | |
| Highline Holdings Limited Director • Director | 18 Sep 2007←4 Years→17 Dec 2011 | Active | |
Highline Extreme Limited Secretary • Retired | 29 Apr 2004←7 Years→17 Dec 2011 | Dissolved | |
