| Company | Timeline | Status | |
| Abbey Court Management Co. Limited Secretary • Teacher | 8 Sep 2002←1 Year 5 Months→9 Feb 2004 | Active | |
| Abbey Court Management Co. Limited Secretary • Music Teacher | 1 Sep 1998←2 Years→31 Aug 2000 | Active | |
| Abbey Court Management Co. Limited Director • Music Teacher | 20 Mar 1992←33 Years→Current | Active | |
