Joseph Lloyd Simmons, known by the stage name Rev. Run or DJ Run, is one of the founding members of the influential hip hop group Run–D.M.C.. He is also a practicing minister, known as Reverend Run. Simmons was born in Hollis, Queens, New York. He is the brother of Daniel "Danny" Simmons, Jr. and Russell Simmons, the co-founder of Def Jam Records.
He found new popularity in 2005 with his family's MTV reality show Run's House.