Michael Jeffrey Jordan (born February 17, 1963), also known by his initials MJ, is an American former professional basketball player and businessman. He is the principal owner and chairman of the Charlotte Hornets of the National Basketball Association (NBA) and of 23XI Racing in the NASCAR Cup Series. He played 15 seasons in the NBA, winning six championships with the Chicago Bulls. His biography on the official NBA website states: "By acclamation, Michael Jordan is the greatest basketball player of all time." He was integral in helping to popularize the NBA around the world in the 1980s and 1990s, becoming a global cultural icon in the process.Jordan played college basketball for three seasons under coach Dean Smith with the North Carolina Tar Heels. As a freshman, he was a member of the Tar Heels' national championship team in 1982. Jordan joined the Bulls in 1984 as the third overall draft pick, and quickly emerged as a league star, entertaining crowds with his prolific scoring while gaining a reputation as one of the game's best defensive players. His leaping ability, demonstrated by performing slam dunks from the free throw line in Slam Dunk Contests, earned him the nicknames "Air Jordan" and "His Airness". Jordan won his first NBA championship with the Bulls in 1991, and followed that achievement with titles in 1992 and 1993, securing a "three-peat".