| Company | Timeline | Status | |
| Custom Interconnect (Holdings) Limited Director • Emeritus Professor | 1 Jun 2011←2 Years 3 Months→26 Sep 2013 | Active | |
| Coolled Limited Director • Emeritus Professor | 1 Jun 2011←5 Years→31 Mar 2017 | Active | |
| Custom Interconnect Limited Secretary • Lecturer | 12 Sep 2002←4 Years→6 Dec 2006 | Active | |
| Custom Interconnect Limited Director • Emeritus Professor | 28 Jun 1991←22 Years→26 Sep 2013 | Active | |
