Among the artists with whom he collaborates are Cecilia Bartoli, Giuliano Carmignola, Isabelle Faust, Sol Gabetta, Patricia Kopatchinskaja, Katia and Marielle Labèque, Viktoria Mullova and Giovanni Sollima.

Giovanni is Principal Guest Conductor of Kammerorchester Basel and Mozarteum Orchester Salzburg and regularly appears as a guest conductor with such orchestras as the Berliner Philharmoniker, Concertgebouworkest Amsterdam, London Symphony, Chicago Symphony and Tonhalle Orchester Zürich. He has conducted numerous opera productions at La Scala, Theater an der Wien, Salzburg Festival and Opernhaus Zürich.

He has recorded for Teldec, Decca, Sony BMG, Naïve, Harmonia Mundi and Alpha Classics. Giovanni is artistic director of the Wratislavia Cantans Festival and the Haydn2032 project, which plans to perform and record the complete symphonies of Franz Joseph Haydn by the 300th anniversary of his birth.