“I think if there's any one band that every member of Sons of Apollo has been influenced by, I think Van Halen is the common ground for all five of us.”

American musician, drummer, backing vocalist, and co-founder of Dream Theater

Michael Stephen Portnoy is an American musician, best known as the drummer, backing vocalist, and co-founder of the progressive metal band Dream Theater. He is closely associated with Dream Theater’s sound and growth, both as a performer and as part of the band’s early foundation. His work is tied to progressive metal, and his reputation comes chiefly from his role behind the drum kit and his vocal contributions.