Leslie Kai Greene is an IFBB professional bodybuilder, personal trainer, artist and actor from America. According to his online biography, his behaviour at school was troublesome, which led him to be introduced in teenage bodybuilding competitions. Greene became an avid bodybuilder, competing in the National Physique Committee (NPC) and aiming to go to IFBB. He considers his success in NPCs to be mixed. However, Greene won the NPC Team Universe in 1999, but he took a 5-year break from bodybuilding competitions and returned in the 2004 NPC Team Universe competition, which he won again. This win made him eligible for a career as an IFBB professional bodybuilder. He won the 2009 Arnold Classic title after which the mystery of the Greene Machine, which likes itself so much, has only become more prominent over time. In 2011, Greene started working with preparation coach George Farah and finished first in the 2011 New York Pro Championship. He finished second in Mr. Olympia in 2012, 2013 and 2014. In 2016, Greene again won the 2016 Arnold Classic, which he also won in 2009 and 2010. After 2016, he decided not to enter Mr. Olympia in 2017.