After early ice skating lessons , at the age of eight he was introduced to ballet by his older sister , Erica Cornejo , who later became a principal dancer with the Boston Ballet .
Cornejo was born in a suburb of Buenos Aires .
After early ice skating lessons , at the age of eight Cornejo was introduced to ballet by Cornejo 's older sister , Erica Cornejo , who later became a principal dancer with the Boston Ballet .
Cornejo was born in a suburb of Buenos Aires .