 Gian Marco attended elementary school, middle school, and High school at the Colegio Santa Margarita located in Monterrico, a middle-class neighborhood in the district of Santiago de Surco, [Lima|Lima].He played the guitar and sang in all school activities.In 1981, at age 11, Gian Marco recorded a song for the musical "Papito Piernas Largas" (Daddy Long Legs).