Mike Portnoy

Michael Stephen Portnoy (born April 20, 1967) is an American musician who is primarily known as the drummer, backing vocalist, and co-founder of the progressive metal band Dream Theater. In September 2010, Portnoy announced his departure from Dream Theater after 25 years, with Mike Mangini taking his place as drummer of the band. In October 2023, 13 years after his departure, the band announced his return. During his time out of Dream Theater, Portnoy remained active, with a variety of bands and projects, including Adrenaline Mob, Avenged Sevenfold, Transatlantic, Yellow Matter Custard, Flying Colors, The Winery Dogs, Liquid Tension Experiment, Metal Allegiance, Sons of Apollo, the Neal Morse Band, and BPMD.