| Company | Timeline | Status | |
| Wallace Road Management Company Limited Director • Music Teacher | 29 Dec 1991←30 Years→15 Dec 2022 | Active | |
| Wallace Road Management Company Limited Secretary • Unreported | 29 Dec 1991←30 Years→15 Dec 2022 | Active | |
| London International Piano Competition Director • Musician | 30 Apr 1991←31 Years→25 Oct 2022 | Dissolved | |
