Diego Fasolis studied at the Conservatory of Zurich receiving his diplomas for organ, piano, voice and composition with honors. He continued his studies with such renowned soloists as Gaston Litaize and Michael Radulescu, and he has earned prizes at the competitions of Stresa, Zurich and Geneva. In addition he also composes.
Since 1993 he has been the conductor of the "Coro della Radio Svizzera" Lugano and since 1988 of "I Barocchisti". He regularly conducts the "Orchestra della Svizzera italiana", and his guest appearances include the RIAS Chamber Choir of Berlin, Choir and Orchestra of the arena of Verona, the Coro e Orchestra Accademia of Milan's Scala, Choir and Orchestra of the Opera in Rome, the Chamber orchestra of Basel and Zürich, the "Sonatori de la gioiosa Marca".
He has recorded more than 50 discs many of which have been awarded prizes and international acclaim.