| Company | Timeline | Status | |
| HZ Trading Limited Secretary • Investment Analyst | 14 Mar 1997←9 Years→22 Jan 2007 | Active | |
| HZ Trading Limited Director • Investment Analyst | 14 Mar 1997←21 Years→20 Feb 2019 | Active | |
| 27 Colville Road Limited Director • Investment Analyst | 14 Feb 1995←3 Years→16 Jul 1998 | Active | |
