Valerio begins studying piano at just 4 years old. From 1985 to 1987, he attends the Berklee College of Music and studies privately with Jerry Bergonzi. Upon returning to Italy, he studies with jazz pianist Enrico Pierannunzi and joins the "Italian Youth Jazz Orchestra" directed by Bruno Tommaso.
He is a member of the "Larry Nocella Quartet" with whom he plays at Capolinea with the trumpeter Chet Baker.

In '91 he recorded his first album with Jerry Bergonzi "Napoli Connection" (Red Records). He also began an intense teaching activity and founded the M.A.D..
In 2010, he obtained the INJAM (European Improvisation Jazz Master) at Siena Jazz and presented an album at the World Congress of Artistic Vocology in Ravenna.

In his career, he has also played with Tullio De Piscopo, Fabrizio Bosso, Steve Grossman, Mike Manieri, Enrico Rava, Edoardo De Crescenzo and many others.