He completed his training in Monaco where he studied painting undergoing the influence of F. Hodler. Then he moved to London and then Paris, specializing in sculpture. By the ’10s he settled in Berlin performing numerous portraits and busts, however, exempt from the influence of the avant-garde expressionist.
Because of its anti-Nazi and then had to flee to Brazil. They wrote of his art: “De Fiori did not hear the moment the German Expressionist, if not culturally, for guardarsene, maybe. In fact, he avoided the extremes of Puritanism or Knappe Huf. In fact, there can not be any sort of social art. That inspiration of art (…) is a state of life, only in relation to the “self”, and no environmental situation may have influence, if not absolutely exterior elements.