William Christopher "Dabo" Swinney is an American football coach. He is the head football coach at Clemson University. Swinney took over as head coach of the Clemson Tigers football program midway through the 2008 season, following the resignation of Tommy Bowden. Swinney led the Tigers to national championships in 2016 and 2018. He trails only Frank Howard for the most wins by a head coach in Clemson history.