| Company | Timeline | Status | |
| Hyde Park (Management) Limited Director • University Research Fellow  | 20 Sep 2018←7 Years→Current  | Active  | |
| Jjak Property Limited Director • Director  | 17 Apr 2013←12 Years→Current  | Active  | |
Retrorugby Limited Secretary • University Researcher  | 20 Jul 2001←1 Year 1 Month→19 Aug 2002  | Dissolved  | |
Retrorugby Limited Director • University Researcher  | 20 Jul 2001←4 Years→31 Jul 2005  | Dissolved  | |
