Han-Wook Yoo received his M.D. from the College of Medicine, Seoul National University in 1979. He has completed his clinical training as an internship and residency in 1983 and clinical fellowship in Pediatrics at Seoul National University Children’s Hospital in 1986. He furthered his clinical and research training through a postdoctoral fellowship at Department of Pediatrics, Mount Sinai Medical Center, New York, U.S.A. from 1989 through 1992, and certified as clinical molecular geneticist by the American Board of Medical Genetics. In 1994, he joined the faculty of University of Ulsan College of Medicine, Asan Medical Center. In 2001, he became the chairman of the Department of Pediatrics.

From 2009 through 2012, he has served as the president of Asan Medical Center Children’s Hospital in Seoul, Korea. Professor Yoo has published more than 250 peer-reviewed articles. He has received several awards for his research and he is an active member of many international academic societies in the field of endocrinology and medical genetics. Professor Yoo’s main research interests are focused on the characterization of molecular & functional defects of endocrine genetic disorders.