| Company | Timeline | Status | |
| Ultraseal International Group Limited Director • Tax Attorney | 1 Oct 2019←6 Years→Current | Active | |
| QH International Limited Director • Director | 18 Sep 2019←6 Years→Current | Active | |
| QH Chemical Limited Director • Director | 16 Sep 2019←6 Years→Current | Active | |
| QH Holdings Limited Director • Director | 16 Sep 2019←6 Years→Current | Active | |
| Quaker Houghton Holdings Limited Director • Director | 13 Sep 2019←6 Years→Current | Active | |
| Pulse Electronics GMBH Director • None | 19 Jul 2011←14 Years→Current | Active | |
