Career
Born in Moncalieri, Ratto has competed as a professional since 2010, competing for the Carmiooro-NGC and Geox–Technology Marketing Corporation teams prior to moving to Liquigas–Cannondale for the 2012 season. Ratto signed a contract with UnitedHealthcare for the 2015 season. Ratto"s sister, Rossella Ratto, is also a professional cyclist, best known for finishing third in the 2013 World Road Race Championships.