[5] Fiore shot 17 episodes of the television series Tracey Takes On.... His first major motion picture credit as cinematographer was the Sylvester Stallone vehicle Get Carter (2000).
His other feature film credits during this time included Wayne Wang's The Center of the World (2001), Michael Bay's The Island (2005), and Joe Carnahan's Smokin' Aces (2006) and The A-Team (2010).
Fiore shot James Cameron's Avatar (2009), where he and the director utilized a variety of cutting-edge techniques to combine a live-action shoot with computer-generated characters and environments.
Subsequent films Fiore has worked on include Real Steel (2011), Dark Phoenix (2019), Spider-Man: No Way Home (2021), A Good Person (2023), and The Killer (2024).
Fiore is set to re-team with James Cameron for the fourth and fifth installments of the Avatar series, after being replaced by Russell Carpenter on the second and third films.