Joseph Cheong was born in South Korea. Currently, he lives in America. He is professionally a poker player despite the fact that he is a college graduate with a degree in the field of psychology and economics. He started playing poker during his college years. During this period, he used to play at local level and that too with his friends only. After completion of his college, he began to participant in live poker tournaments. He cashed in the first time at the Deep Stack Event. He was a winner at the main event of World Series of Poker.