| Company | Timeline | Status | |
| 40 Warwick Avenue Limited Secretary • Writer | 16 Oct 2007←4 Years→17 Sep 2012 | Active | |
| 40 Warwick Avenue Limited Secretary • Museum Consultant | 25 Mar 1996←1 Year 10 Months→5 Feb 1998 | Active | |
| 40 Warwick Avenue Limited Director • Museum Curator | 11 Dec 1991←23 Years→16 Oct 2015 | Active | |
