Maurice Greene was (born July 23, 1974) in Kansas City, Kansas and attended F.L. Schlagle High School. In his youth and high school, he participated in both American football and track and field. After high school, Greene received a Track scholarship to the University of Kansas. Kansas City Kansas and is a retired American track and field sprinter who specialized in the 100 meters and 200 meters. He is a former 100 m world record holder with a time of 9.79 seconds. During the height of his career (1997–2004) he won four Olympic medals and was a five-time World Champion. This included three golds at the 1999 World Championships, a feat which had previously only been done by Carl Lewisand Michael Johnson and has since been equaled by three others.
His career was affected by a number of injuries from 2001 onwards, although he won the 100 meters bronze and silver in the sprint relay at the 2004 Summer Olympics. Greene was also successful indoors: he was the 1999 Indoor World Champion and remains the world record holder in the 60-meter dash and the joint-fastest man over 50 meters. He raced sparingly after an injury in 2005 and officially retired in 2008. Over his career, he made the second most sub-10-second runs (51) in the 100m (since surpassed by Asafa Powell).
Following his track career he has become an ambassador for the IAAF and a TV personality, appearing on Identity, Blind Date, and Dancing with the Stars. Most recently he volunteered as a track coach at University of California at Los Angeles (UCLA) for the 2012–2013 season.