Harrison graduated from Columbia University where he was the Ivy League Men's Golfer of the Year in 2016.  He finished his senior campaign with the program's best single-season average since 1993-94 at 72.00.  Harrison finished among the top 10 in six events including a second-place finish at the Tuxedo Autumn Invitational.  He played professional golf for five years and is now employed as "Manager of U.S. Tour and Elite Player Engagement" by a top launch monitor company.