| Company | Timeline | Status | |
| Cuisenaire Company Limited(The) Director • Teacher | 15 Jun 1992←27 Years→29 Apr 2020 | Active | |
| Educational Explorers Limited Director • Teacher | 15 Jun 1992←27 Years→29 Apr 2020 | Active | |
| Educational Explorers Film Co.Limited Director • Retired Teacher | 15 Jun 1992←27 Years→29 Apr 2020 | Active | |
| Educational Solutions (U.K.) Limited Director • Retired Teacher | 15 Jun 1992←27 Years→29 Apr 2020 | Active | |
