Jason William Mizell, better known by his stage name Jam Master Jay, was an American musician, record producer and DJ. He was the DJ of the influential hip hop group Run-DMC. During the 1980s, Run-DMC became one of the biggest hip hop groups, credited with breaking hip hop into mainstream music. Mizell was inducted posthumously into the Rock and Roll Hall of Fame as a member of Run-DMC in 2009.
