| Company | Timeline | Status | |
| Swimming Teachers' Association Limited(The) Director • Retired Swimming Teacher | 15 Jun 2012←5 Years→6 Mar 2018 | Active | |
| Sta Excel Limited Director • Swimming Teacher | 13 Dec 1992←17 Years→23 Oct 2010 | Active | |
| International Federation Of Swimming Teachers Associations Limited(The) Director • Swimming Teacher | 3 Oct 1991←19 Years→1 Sep 2011 | Active | |
| Swimming Teachers' Association Limited(The) Director • Swimming Teacher | 4 Nov 1990←19 Years→23 Oct 2010 | Active | |
