Marcus Smart is an NBA basketball player for the Boston Celtics. After playing his collegiate basketball at Oklahoma State University, Smart was drafted 6th overall in the 2014 NBA Draft. Smart is considered one of the best on-ball defenders in the NBA an an integral part of the Boston Celtics. Off the court, Smart is a philanthropist who created the 'Marcus Smart YounGameChanger Foundation.' His organizations mission is to provide families with seriously and chronically ill children with encouragement and life-changing experiences and to be a voice of motivation, empowerment and encouragement to inner city young athletes to be game changers off the court or field.