Yoon Seok-youl was born in Yeonhui-dong, Seodaemun District, Seoul in 1960. Some have suggested that he was from Honam, but it was reported as a rumor. His father, Yoon Ki-joong, is a retired educator Daegu graduated from Yonsei University and Hitotsubashi University who later established the Korean Statistical Society and is now a full member of the National Academy of Sciences of the Republic ..