Master of Ceremonies

emcee, person who leads a ceremony, announcer

A Master of Ceremonies or MC (sometimes spelled emcee), sometimes called a compère or an MJ for "microphone jockey", is the host of an official public or private staged event or other performance. The MC usually presents performers, speaks to the audience and generally keeps the event moving. The MC sometimes also acts as the protocol officer during an official state function.
See more at Wikipedia.org...

Noun
1. a person who acts as host at formal occasions (makes an introductory speech and introduces other speakers)
(synonym) emcee, host
(hypernym) entertainer
(hyponym) compere

Synonyms and related words:
AFTRA, Abbot of Unreason, DJ, Lord of Misrule, MC, anchor man, announcer, attorney, auteur, bailiff, ballyhoo man, barker, broadcaster, butler, callboy, commentator, costume designer, costumer, costumier, croupier, curator, custodian, director, disk jockey, emcee, equestrian director, exhibitor, factor, guardian, housekeeper, impresario, landreeve, librarian, majordomo, makeup man, marshal, news commentator, newscaster, playreader, proctor, procurator, producer, program director, programmer, prompter, radiobroadcaster, ringmaster, scenewright, seneschal, set designer, showman, social director, sound-effects man, spieler, sportscaster, stage director, stage manager, steward, theater man, theatrician, ticket collector, toastmaster, usher, usherer, usherette
  

MAESTRO DI CERIMONIE. CERIMONIERE. PRESENTATORE [TELEVISIVO O RADIOFONICO]