Je Hyeok Oh was born in Seoul, South Korea, in 1973. He received the M.D. degree in medicine from the Chung-Ang University College of Medicine, Seoul, in 2001, the M.M.S. degree in medicine from the Yonsei University Graduate School, Seoul, in 2008, and the Ph.D. degree in medicine from the Chung-Ang University Graduate School, Seoul, in 2016. Since 2014, he has been with the Department of Emergency Medicine, College of Medicine, Chung-Ang University, Seoul, where he is currently an Associate Professor. He is interested in the field of resuscitation and hypoxic brain injury. He has focused on enhancement of quality of cardiopulmonary resuscitation (CPR). Furthermore, he invented several devices related to CPR.