Seon-Sook Han has an M.D. and Ph.D. degree in Internal Medicine. From 2001 to 2006, she completed a rotational internship and residency program at Kangwon National University Hospital, and from 2006 to 2007, she completed a fellowship at the Department of Pulmonary and Critical Care Medicine at Seoul National University Hospital. Since 2008, she has been a professor of internal medicine and pulmonary medicine at Kangwon National University. Her research interests include critical care medicine, interstitial lung disease, and nontuberculous mycobacterial lung disease.