Master Manzi started his career with MSC Cargo in 1972 and in the 1975 he was promoted to the rank of first officer until 1985. The following year, Master Manzi decided to change to passenger liners and moved to Carnival Cruise Lines where , following the required career steps, he became Master and commanded passenger vessels from 1999 to 2003. In 2004 Master Manzi returned to MSC where he took command of MSC Sinfonia. Captain Manzi is in his 14th season of commands on MSC passenger vessels, of which three have been on the largest class, Fantasia. Master Manzi has commanded all classes of the MSC Cruises' fleet, apart from MSC Melody.