Michael Anthony Sobolewski (born June 20, 1954) is an American musician who was the bassist and backing vocalist for the hard rock band Van Halen from 1974 to 2006. He performed on Van Halen's first 11 albums and was their longest-tenured bassist. After he left in 2006, Anthony collaborated with fellow former Van Halen bandmate Sammy Hagar in the supergroups Chickenfoot and Sammy Hagar and the Circle.
