Eun Ha graduated Seoul National University College of Medicine in 2000. He went on to study for a PhD in Immunology under Professor Yeong Wook Song at Seoul National University College of Medicine, which was awarded in 2007. She took a postdoctoral position in University of Pittsburgh Medical Center and studied animal models of myositis with professor Ascherman in 2007-2009. She returned to Seoul National University Bundang hospital in 2009 as a faculty member. As a rheumatologist, she was interested in Behcet's Disease (BD) with a high prevalence in East Asia. She has studied clinical and immunogenetic characteristics of BD. Her group has been involved in identifying genetic risk factors for BD or BD related clinical features in Korean patients and the genome wide association study in Korea. Her recent research focuses on imputation based identification of BD susceptibility genes using previous Korean GWAs database.