Yang was elevated to CEO of the whole company when Liu retired in 2001 .
These qualities caught the attention of Liu Chuanzhi , who later promoted Yang to head Lenovo 's personal computer business at just 29 years old .
Yang was elevated to CEO of the whole company when Liu Chuanzhi retired in 2001 .
These qualities caught the attention of Liu Chuanzhi , who later promoted Yang to head Lenovo 's personal computer business at just 29 years old .