Tamir Sapir (born Temur Sepiashvili, Georgian: თემურ სეფიაშვილი; 1946/1947 – September 26, 2014) was a Georgian-born, Georgian-American businessman, real estate developer and investor. He was the founder of the Sapir Organization, a real estate investment firm based in New York City. Sapir originally made his fortune trading oil and fertilizers with the Soviet Union during the 1980s. He became a billionaire in 2002, with his wealth peaking in 2007 at US$2 billion, according to Forbes.