| Company | Timeline | Status | |
| Uroboros Ensemble Limited Secretary • Musician | 1 Nov 1995←30 Years→Current | Active | |
| Uroboros Ensemble Limited Director • Musician | 13 Jan 1993←32 Years→Current | Active | |
| Uroboros Ensemble Limited Secretary • Unreported | 13 Jan 1993←2 Years→13 Jan 1995 | Active | |
