| Company | Timeline | Status | |
| PRP Optoelectronics Limited Director • Technical Director | 1 Sep 2012←2 Years 8 Months→15 May 2015 | Active | |
| Harpin Tech Limited Director • Scientist | 6 Feb 2012←13 Years→Current | Active | |
| Wika Optical Sensing Limited Director • Chief Scientist | 15 Apr 2005←7 Years→20 Apr 2012 | Active | |
