Luis Edgardo Resto (born July 22, 1961) is an American musician, songwriter, record producer, and keyboardist who has worked closely with rapper Eminem since his third major-label album The Eminem Show.
He is of Puerto Rican descent and was raised in Garden City, Michigan, a suburb of Detroit.
Resto's career in recorded music began in the early 1980s in Detroit, with Michael Henderson and Was (Not Was).
He continued playing keyboards and co-writing songs for a wide variety of artists (including many produced by Don Was), ranging from Anita Baker to Patti Smith to The Highwaymen to Vertical Horizon to Fuel, before beginning a prolific and lengthy collaboration with Eminem in 2001.
He co-produced the Oscar-winning song, "Lose Yourself", featured in the movie 8 Mile with Jeff Bass and Eminem.