As of 2007, he served as adjunct faculty at Chungbuk National University. On March 14, 2014, he became associate professor in Shinhan University, and became vice president of North Kyeong-gi Development Research Center.
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As of 2007, he served as adjunct faculty at Chungbuk National University. On March 14, 2014, he became associate professor in Shinhan University, and became vice president of North Kyeong-gi Development Research Center.
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