Mark Chatfield

American hard rock guitarist, and vocalist. After leaving The Godz, he formed the band Rosie in late-1978. He moved on to play for Bob Seger in 1983, which he continued to do until 2011. Also doing a tour with Michael Bolton late 1983-early 84 . During this time he would rejoin, and then leave Rosie on several occasions. He was part of the 2007 reunion line-up and subsequent reunions. He rejoined Bob Seger in 2017 and continues to tour.