Gennady Golovkin
Gennady Gennadyevich Golovkin is a Kazakhstani professional boxer who currently holds the unified WBA , WBC, IBF and IBO middleweight titles. As of May 2016, he is ranked as the worlds second best middleweight by The Ring magazine and BoxRec, both of which rank him as the worlds third best boxer, pound for pound. The Ring named him their Fighter of the Year in 2013.
Gennady Golovkin was born on April 8, 1982, in the city of Karagandy in the Kazakh SSR, Soviet Union as one of four brothers to a Russian father who was a coal miner, and a Korean mother who was an assistant in a chemical laboratory. His older brothers, Sergey and Vadim, had pushed him into the ring. When he was eight, both of them joined the Soviet Army.
Source: Wikipedia