Remi was born the son of an African father and an English mother in London. His maternal grandmother taught him how to shoot in, so it called for a study of photography and film at the " Harrow Art School " and then was one of the few who got a job as an assistant to the legendary Ealing studios of the BBC. After first time in 1968 worked as a camera assistant in the television series The Borderers, it was 1980, the television series The British Greats, where he led his own responsibility the camera in five episodes. From the late 1980s Adefarasin worked increasingly as a cameraman for gaming and movies, such as, among others, Truly Madly Deeply, The Buccaneers and Silent screams. With his camera work on Elizabeth, he had his biggest success of his career, he was honored not only with a British Academy Film Award for Best Cinematography, he also received an Oscar nomination for Best Cinematography.
December 31, 2011 Remi was appointed Officer of the Order of the British Empire.