Michael Stephen "Mike" Portnoy (born April 20, 1967) is an American drummer primarily known as the former drummer, backing vocalist, and a co-founder of the progressive metal/rock band Dream Theater. Known for his technical skill as a drummer, Portnoy has won 30 awards from the Modern Drummer magazine. He co-produced six Dream Theater albums with guitarist John Petrucci, starting from Metropolis Pt. 2: Scenes from a Memory through Black Clouds and Silver Linings.