Mike Portnoy is an American musician and composer, best known as the former drummer and co-founder of the progressive metal band Dream Theater.
Portnoy played with Dream Theater for more than 20 years, contributing to the band’s development and success as a drummer, songwriter, and producer. He is known for his technical proficiency on the drums and his innovative and powerful playing style, which has earned him critical acclaim and a loyal following among musicians and music fans. In addition to his work with Dream Theater, Portnoy has released several solo albums and has contributed to various other musical projects. He is also a member of the supergroups Adrenaline Mob and Transatlantic, and he has played with a number of other well-known bands and artists throughout his career.