The Biggest NCAA Tournament Moments under Roy Williams Posted Mar 15, 2018 The UNC basketball program was at a low point and needed new blood to turn the program around. Enter Roy Williams. The UNC alumni and Kansas head coach. Roy Williams had the program buzzing once again and has once again brought back the status of elite that was missing for the years after Dean Smith. Here are his biggest moments in the NCAA Tournament at UNC. (Keeping It Heel)