| Company | Timeline | Status | |
| 297 Norwood Road Management Company Limited Director • Patent Agent | 14 Dec 2005←2 Years 11 Months→28 Nov 2008 | Active | |
| 297 Norwood Road Management Company Limited Secretary • Patent Agent | 14 Dec 2005←1 Year 10 Months→14 Oct 2007 | Active | |
| Collier & Company Ltd Secretary • Scientist | 13 Apr 2004←16 Years→19 Nov 2020 | Active | |
