Chris Herren, former Celtics playerSubstance AbuseVideo
Former Celtics player and ESPN "30 for 30" speaker. He has suffered substance abuse throughout his career, but has refocused his life to put sobriety and family above all else. He founded "The Herren Project, a nonprofit organization dedicated to providing assistance to families affected by addiction. In 2012 The Herren Project launched a national anti-substance abuse campaign, Project Purple, to encourage people of all ages to stand up to substance abuse.