| Company | Timeline | Status | |
| Ravelston Golf Club Limited Director • Retired | 6 Mar 2010←5 Years→7 Mar 2015 | Active | |
| Lawmill Properties Limited Director • Property Management Administra | 1 Dec 2004←21 Years→Current | Active | |
| Ravelston Golf Club Limited Director • Administration Manager | 11 Mar 2004←4 Years→7 Mar 2009 | Active | |
