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.
Cliff Hagan Clifford Oldham Hagan (born December 9, 1931) is an American former professional basketball player. A 6-4 forward who excelled with the hook shot, Hagan, nicknamed "Li'l Abner", played his entire 10-year NBA career (1956–1966) with the St. Louis Hawks. He was also a player-coach for the Dallas Chaparrals in the first two-plus years of the American Basketball Association's existence (1967–1970).