| Company | Timeline | Status | |
| JSK Automation Ltd Director • Engineer  | 7 May 2024←1 Year 6 Months→Current  | Active  | |
| JSK Ultrasonics Limited Director • Engineer  | 1 Dec 2000←24 Years→Current  | Active  | |
| JSK Ultrasonics Limited Secretary • Engineer  | 17 May 2000←20 Years→20 Apr 2021  | Active  | |
