Born in the Munro neighborhood of the Greater Buenos Aires, he started ballet lessons at the age of four, and at the age of seven entered the National School of Dance, progressing to the Teatro Colón's Advanced Arts Institute a year later. His mother was a dance teacher who encouraged his studies. Bocca joined the Chamber Ballet Company at the Colón Theatre in 1981. A year later, he began performing as a soloist in a production directed by Danish choreographerFlemming Flindt. In 1985, aged 18, he won the gold medal at the International Ballet Competition in Moscow and was invited to join the American Ballet Theatre by Mikhail Baryshnikov, the youngest principal dancer ever hired. Although Bocca was a principal dancer, he was allowed to perform frequently as a guest artists with other companies. In 1987, he was named Dancer of the Year by the New York Times. As a guest artist, Bocca has performed with companies such as La Scala in Milan, the Paris Opera, the Kirov of Saint Petersburg, the Royal Danish Ballet, the Cuban National Ballet and the National Ballet of Madrid, and the Bolshoi Ballet. A performance with the Royal Ballet in London prompted a reviewer with Dance Magazine to rave about "his irresistible combination of passion and gallantry." Bocca achieved extreme popularity in his native Argentina, frequently filling up soccer stadiums during his performances In 1990 he created his own ballet company, the Ballet Argentino, which performs regularly in theatres around the globe. Bocca often collaborates with the Argentine dancer Eleonora Cassano. From 1997 to 2001 Bocca's dance partner with the Ballet Argentino was Luciana Paris. In 2000 Julio Bocca participated in the internationalMillennium Day event, dancing in Ushuaia with Cassano and the Ballet Argentino in a performance broadcast to the whole world. Julio Bocca has also mixed ballet dancing with tango, a combination that has been very well received by the public. In 1998 he appeared in the film Tango, no me dejes nunca, which gained him a new audience. In combining ballet with tango, he has often worked with the tango choreographer Ana Maria Stekelman. Bocca's repertoire with Ballet Argentino also includes contemporary, jazz, ballroom and modern styles of dancing. In 2000, he appeared in Fosse, a Broadway musical showcasing the work of choreographer Bob Fosse. Bocca danced his farewell performance with ballerina Alessandra Ferri in the American Ballet Theatre's production of Manon on June 22 and 23, 2006. He continued to perform with his Ballet Argentino until his retirement from dancing at the end of 2007. His biography, , by the French journalist Angeline Montoya, was published in Argentina in March 2007 by the Spanish publisher Aguilar. He was named director of the Ballet Nacional SODRE by Uruguay's president José Mujica in March 2010. Bocca served as a president of the jury at the Prix de Lausanne ballet competition in 2016.
