Yoo Jin Choi graduated from Seoul National University College of Medicine, Department of Emergency Medicine, completing a master’s course in 2019. After finishing emergency medicine residency training at Seoul National University Hospital, Choi completed a full-time fellowship training at the Emergency Medicine Department of Seoul National University Bundang Hospital for two years and worked as a clinical professor for two years. Since then, Choi has been working as a professor at the Department of Emergency Medicine at Ajou University Hospital. Currently, Choi's research interests include pre-hospital emergency systems, pediatric emergency, resuscitation, and artificial intelligence. Choi is a regular member of the Korean Society of Emergency Medicine, the Korean Association of Emergency Medical Supervision Physicians, and the Korean Society of Pediatric Emergency Medicine.