| Company | Timeline | Status | |
| Harry Christophers Limited Director • Teacher | 8 May 2006←19 Years→Current | Active | |
| Harry Christophers Limited Secretary • Teacher | 8 May 2006←19 Years→Current | Active | |
| Sixteen(The) Director • Music Teacher | 8 Aug 1991←25 Years→27 Sep 2016 | Active | |
