Mark Tatum, deputy commissioner and COO of the NBA, talks with SBJ’s Abe Madkour about growing up as the oldest son of immigrant parents in Brooklyn, utilizing all resources available for career growth, and the importance of compassion in leadership. As a 3-time Sports Business Journal Forty Under 40 honoree, Tatum is a Sports Business Journal Forty Under 40 Hall of Fame inductee. He was selected to the classes of 2006, 2007 and 2008.