Neil Joseph Stephen Fraser (born 27 March 1955, Georgetown, Guyana) known by his stage-name Mad Professor, is a British dub music producer, engineer and remixer.

[1] He has collaborated with reggae artists Lee "Scratch" Perry, Sly and Robbie, Pato Banton, Jah Shaka and Horace Andy, as well as artists outside the realm of traditional reggae and dub, such as Sade, Massive Attack, The Orb, Gaudi, the Brazilian DJ Marcelinho da Lua, Grace Jones, and Perry Farrell.

He emigrated from Guyana to London at the age of 13 and later began his music career as a service technician.

[2] Fraser moved again, this time to South Norwood, where he set up what was the largest black-owned studio complex in the UK, where he recorded lovers rock tracks by Cross, John McLean, and Kofi, and attracted Jamaican artists including Bob Andy and Faybiene Miranda.

Since the 1990s he has remixed tracks by Sade, The Orb, The KLF, Beastie Boys, Jamiroquai, Rancid, Depeche Mode, Perry Farrell and Japanese pop singer Ayumi Hamasaki.