Bao Xishun 7 Ft 9 In (236 Cm).
Bao Xishun (also known as "Xi Shun" or "Mast"), a herdsman in central Mongolia, who is recognized by Guinness World Records as the world's tallest living man.
In December 2006, Bao Xishun helped veterinarians remove plastic shards from two dolphin stomachs. The dolphin mistakenly shards the two, causing a rift in the stomach of the dolphins. Because of the failure of veterinarians to remove them, Bao Xishun disciplines his dolphin stomach with his 1.06 meter long arm. In 2009, its height was measured to 8 feet 3 inches.