| Company | Timeline | Status | |
| JSK Automation Ltd Director • Engineer | 7 May 2024←1 Year 7 Months→Current | Active | |
| JSK Ultrasonics Limited Director • Engineer | 1 Dec 2000←25 Years→Current | Active | |
| JSK Ultrasonics Limited Secretary • Engineer | 17 May 2000←20 Years→20 Apr 2021 | Active | |
