John Mathieson CAL, BSC (born 3 May 1961) is an English cinematographer and commercial director. He is one of a group of filmmakers who emerged from the music video industry of the late 1980s and 1990s. He is a frequent collaborator with director Ridley Scott, acting as director of photography on most of his films beginning with Gladiator (2000), for which he won a BAFTA Award and was nominated for an Academy Award for Best Cinematography. He has worked with directors like Joel Schumacher, Rowan Joffé, Matthew Vaughn, Guy Ritchie, James Mangold, and Rob Letterman.