He studied mechanical engineering at the Politecnico di Milano, specializing in aerodynamics and car body design. He worked twenty-four years with Pininfarina, joining as a stylist in 1964, aged 26, and eventually becoming Managing Director and General Manager of Pininfarina's research arm, Pininfarina Studi & Ricerche. Before founding Fioravanti Srl in 1991 he held the positions of deputy General Manager at Ferrari and the director's role at the Centro Stile Alfa Romeo.
Fioravanti designed the: Ferrari Dino; Ferrari Daytona; Ferrari F40; Ferrari P5 and P6; Ferrari Pinin; Ferrari 512 Berlinetta Boxer; Ferrari 365 GT4 2+2 (the forerunner of the Ferrari 400); Ferrari 308 GTB; Ferrari 288 GTO
His two sons, Matteo, an architect, and Luca, an attorney, have also worked with him at Fioravanti Srl.
On January 16, 2009 Leonardo Fioravanti was elected Chairman of ANFIA Car Coachbuilders Group for a 3-year mandate from 2009 to 2011.
See FIORAVANTI in the Coachbuilders Encyclopedia here.