Forza was born in Rio de Janeiro, Brazil of Italian parents who had moved to South America a few years earlier.
[1] From 1983 to 1987, he was a cameraman at the RAI production center in Milan, working in a large number of television programs, series and TV-movies.
[1] He then left RAI to devote himself to a freelance profession, working in the field of advertising, documentary and short film industry.
[1] In 2001 Forza was nominated to David di Donatello for best cinematography for the Marco Tullio Giordana's drama film One Hundred Steps;[1][2] from then he started a long professional relationship with Giordana, both in the fields of cinema and television.
[1] Forza received a second David di Donatello nomination in 2012, for Giordana's Piazza Fontana: The Italian Conspiracy.