| Company | Timeline | Status | |
| Oxford Cryosystems Limited Secretary • Executive | 31 Mar 2009←1 Year 5 Months→14 Sep 2010 | Active | |
Bionostics Holdings Limited Secretary • Secretary | 14 Apr 2008←3 Years→3 Jun 2011 | Dissolved | |
Bionostics Limited Secretary • Secretary | 23 Apr 2007←4 Years→3 Jun 2011 | Dissolved | |
