Who was the  American professional basketball player for the Dallas Mavericks of the National Basketball Association (NBA) that read and spoke positively of The 21 Irrefutable Laws of Leadership: Follow Them and People Will Follow You?
Harrison Barnes Harrison Bryce Jordan Barnes (born May 30, 1992) is an American professional basketball player for the Dallas Mavericks of the National Basketball Association (NBA). He played college basketball for the North Carolina Tar Heels before being selected by the Golden State Warriors in the first round of the 2012 NBA draft with the seventh overall pick. Barnes won an NBA championship with the Warriors in 2015.
Rick Barry Richard Francis Dennis Barry III (born March 28, 1944) is an American retired professional basketball player who played in both the American Basketball Association (ABA) and National Basketball Association (NBA). Named one of the 50 Greatest Players in history by the NBA in 1996, Barry is the only player to lead the National Collegiate Athletic Association (NCAA), ABA and NBA in scoring for an individual season. He was known for his unorthodox but effective underhand free throw shooting technique, and at the time of his retirement in 1980, his .900 free throw percentage ranked first in NBA history. In 1987, Barry was inducted into the Naismith Memorial Basketball Hall of Fame. He is the father of former NBA players Brent Barry and Jon Barry and current professional player Canyon Barry.