Born in Rome, Rossi began his career dubbing characters in Italian at an early age, also appearing in a few TV shows in the 1970s.
As a child, Rossi voiced Toulouse in the Italian language dub of The Aristocats.
As he grew up, he went on with his dubbing career, serving as the recurring Italian voice dubbing actor for Adam Sandler, Ben Affleck, Cuba Gooding Jr., Paul Walker (notably as Brian O'Conner in The Fast and the Furious film series) and Mark Ruffalo (including his role as Bruce Banner in the Marvel Cinematic Universe).
Other actors he dubs includes Christian Bale, Johnny Depp, Matt Damon and Mark Wahlberg.
[1] Rossi's character dubbing contributions include Simba as an adult from Disney's The Lion King; he also voiced many TV commercials.