Popin Hyun-jun Resigns as Professor Amid Inappropriate Remarks  조선일보Pioneering break dancer steps down from dance professor role after student complaints  Korea JoongAng DailyDancer and singer Poppin Hyun-jun has resigned from his professorship after acknowledging his inappr..  매일경제Poppin Hyun-joon resigns from Baekseok Arts University after lecture misconduct allegations – CHOSUNBIZ  ChosunbizPoppin’ Hyun Joon Resigns from Practical Dance Professorship: “Deeply Reflecting on Causing Sexual Discomfort”  매일경제