| Company | Timeline | Status | |
| Hightech Women Limited Secretary • Professor | 1 Mar 2001←24 Years→Current | Active | |
| Marcus Venture Consulting Limited Secretary • Professor | 1 Mar 2001←24 Years→Current | Active | |
| Hightech Women Limited Director • Lecturer | 19 Feb 2000←25 Years→Current | Active | |
| Marcus Venture Consulting Limited Director • Lecturer | 5 May 1999←26 Years→Current | Active | |
