| Company | Timeline | Status | |
| Automatic Test Services Limited Secretary • Director | 4 Sep 1992←8 Years→18 Jul 2001 | Active | |
| Automatic Test Services Limited Director • Electronic Engineer | 15 Dec 1991←34 Years→Current | Active | |
| Automatic Test Services Limited Director • Unreported | 1 Jan 1970←56 Years→Current | Active | |
