| 1947 | Michael's father, Hans Koch, founded the ski school in Obertauern in 1947 |
| 1987 | Michael Koch took over the ski school Koch in 1987 |
| 1990 | Michael Koch went into partnership with Hermann Koch |
| from 1990 | Snowboarding also available |
| 1997 | Snow biking - a new form of movement - is offered at the Ski School Koch |
| from 2002 | A new logo is presented: "The Condor" |