At the young age, Jean Leon decided to seek his luck in the United States. After failing to go to board a ship as a foul, he managed to pass the 8th time. After his arrival in New York, he started working as a taxi driver. His license plate had the number 3055. After a few years, he decided to move to Hollywood and started serving as a waiter at Villa Capri, a restaurant of Frank Sinatra's and baseball legend Joe DiMaggio. In 1965 Jean Leon took a big step and started his own restaurant together with famous actor James Dean. This restaurant, La Scala, was visited by Hollywood's rich & famous like Marilyn Monroe and John F. Kennedy.