| Company | Timeline | Status | |
| Association Of British Theatre Technicians (The) Director • Theatre Technician | 7 Sep 2006←6 Years→5 Sep 2012 | Active | |
| Willetts Court Management Co. Limited Director • Technical Manager | 15 Oct 2001←24 Years→Current | Active | |
| Willetts Court Management Co. Limited Secretary • Technical Manager | 15 Oct 2001←24 Years→Current | Active | |
