| Company | Timeline | Status | |
| Calscience Group Limited Director • Director | 14 Nov 2014←10 Years→Current | Active | |
| Eolas Research Limited Director • Scientific Consultant | 8 Feb 2001←24 Years→Current | Active | |
| Calscience International Limited Director • Medical Practioner | 1 Nov 1993←32 Years→Current | Active | |
| Calscience International Limited Secretary • Medical Practioner | 1 Nov 1993←32 Years→Current | Active | |
| Calscience International Limited Director • Medical Practitioner | 31 Dec 1988←1 Year 1 Month→28 Feb 1990 | Active | |
