As a conductor Ciardi is a regular guest to Symphonic and Choral Associations, Orchestras and important international Concert Societies. Amongst these are: the RAI Orchestra in Turin, Teatro Verdi in Trieste, the Opera Society “G.P. da Palestrina” in Cagliari, Teatro Rossini in Pesaro, the Orchestra “A. Scarlatti” of Neaples, the Opera Theatre “V. Bellini” of Catania, the Opera Theatre of Budapest, the Opera Theatre of Spalato (Croatia), the Filarmonia of Minsk and the Budapest Chamber Orchestra; the National Orchestra of Malta, the Budapest Concert Orchestra, he has collaborated with soloists and singers such as Simon Estes.