Korean basketball player and entrepreneur .

He graduated from Whimoon High School (66th) and Yonsei University . As a famous coach who opened the heyday of Yonsei University's basketball team, he led the 'Basketball Festival' at its peak, and later served as the manager of professional basketball teams Mobis and Etland .

He is famous as a basketball leader who created a myth with brain play and fighting spirit instead of athletic ability, and was nicknamed 'Ironman No. 28' by his wife because of his stubbornness despite being gentle on the outside. In addition, 'Akajinki', which originated from the bad temper when he was a player , 'Dolpagu', which comes from a dog-like tenacity that is harder than stone, was also added.