Kai Greene – Biography, Career and 2010 Arnold Classic Victory Updated – 09/14/2025 Kai Greene at the 2010 Arnold Classic (source: Wikimedia Commons) Biography Full name: Leslie Kai Greene Date of birth: July 12, 1975 (Brooklyn, New York, USA) Height: 5’8” (1.73 m) Contest weight: ~250 lbs (113 kg) Off-season weight: ~280 lbs (127 kg) Kai Greene grew up in Brooklyn in difficult circumstances and spent much of his childhood in foster care. He discovered bodybuilding as a teenager, encouraged by a school teacher who noticed his rapid physical development and suggested entering teenage competitions. He won his first national NGA title in 1994 and earned his IFBB Pro Card at the 1999 NPC Team Universe. Professional Career 2007: Winner – Shawn Ray Colorado Pro/Am Classic 2008: 3rd – Arnold Classic 2009: Winner – Arnold Classic; 4th at Mr. Olympia 2010: Winner – Arnold Classic (second title) and Austra...