Dr. Woo Jin Kim received his Ph.D. and M.S. from Hanyang University Graduate School in 2016 and 2006, respectively. He received his residency and fellowship in clinical pathology, currently known as laboratory medicine, from Hanyang University Medical Center. He was associated with the Korea Centers for Disease Control and Prevention from 2002 to 2003 and with Anseong Provincial Hospital from 2003 to 2005 as a public health doctor. From 2006 to 2008 and 2008 to 2020 he was the Chief of Department of Laboratory Medicine at Gangnam Korea Hospital and Cheju Halla General Hospital respectively. He spent research leave as postgraduate fellow at Yale from 2014 to 2015. Currently, he is the Deputy Director of EONE Laboratories in South Korea. His research interests include the investigation of microbiome in the field of medical diagnosis and treatment.