| Company | Timeline | Status | |
| Redtree Limited Director • Scientist | 31 Oct 2000←3 Years→28 Oct 2004 | Active | |
| Redtree Limited Director • Scientist | 17 Jan 1996←1 Month→19 Feb 1996 | Active | |
| Redtree Limited Secretary • Scientist | 17 Jan 1996←4 Years→31 Oct 2000 | Active | |
