| Company | Timeline | Status | |
| Birinus Close Management Company Limited(The) Secretary • Scientist | 22 Jun 2001←1 Year 3 Months→22 Sep 2002 | Active | |
| Birinus Close Management Company Limited(The) Director • Scientist | 22 Jun 2001←1 Year 11 Months→30 May 2003 | Active | |
