Former NBA assistant who served as the head coach for the Toronto Raptors from 2011 to 2018. He was named NBA Coach of the Year in 2018.
He played for the University of Kentucky from 1975 to 1979 and would later become an assistant coach at the school.
He served as an assistant coach for the Seattle SuperSonics and Dallas Mavericks.
He married Brenda Casey in 1988 and he has two children named Justine and Zachary.
He started coaching Rudy Gay during the 2012-2013 season.