Cavallero was born in Las Parejas, Santa Fe, but went to high school in the General Paz Military Liceum in Córdoba, and studied Biochemistry at the Universidad Nacional del Litoral.
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In 2007 he competed in the primary election of the Justicialist-led Front for Victory, for mayor of Rosario, with the support of governor candidate Rafael Bielsa and against Juan Héctor Sylvestre Begnis.
Hector Berlioz | Hector | Hector Elizondo | Héctor López | Charles Hector, comte d'Estaing | Jamie Hector | Hector Guimard | Wayne Hector | HMS ''Hector'' | Hector Munro, 8th of Novar | Héctor Lavoe | Héctor Fernando Ramírez | Sir Hector Munro | J. Hector St. John de Crèvecœur | James Hector | HMS Hector | Hector Zazou | Hector Xavier Monsegur | Héctor Suárez | Hector Roy Maclean | Hector Plasm | Hector Pieterson | Héctor Olivera | Hector Og Maclean, 13th Chief | Hector Og Maclean | Hector, New York | Hector Macpherson, Jr. | Hector Maclean, 2nd Laird of Torloisk | Hector John | Hector Hatch |