Bill O'Brien, American football player and coach

William James O'Brien, nicknamed "Teapot", is an American football coach who is currently the head coach at Boston College. Previously, he was the head coach of the Houston Texans from 2014 to 2020, and at Penn State from 2012 to 2013. Prior to Boston College, O'Brien was the offensive coordinator at the University of Alabama and for the New England Patriots. After the Patriots parted ways with longtime head coach Bill Belichick at the end of the 2023 season, O'Brien was not retained by the team.