| Company | Timeline | Status | |
| 28 Rosendale Road Management Company Limited Director • Lecturer | 29 Jun 2001←4 Years→9 Jun 2006 | Active | |
| 28 Rosendale Road Management Company Limited Secretary • Lecturer | 29 Jun 2001←2 Years 6 Months→23 Jan 2004 | Active | |
| Brainbox Research Limited Director • Director/secretary | 31 Oct 2000←2 Years 11 Months→17 Oct 2003 | Active | |
| Brainbox Research Limited Secretary • Director/secretary | 31 Oct 2000←7 Years→16 Jun 2008 | Active | |
