Dr. Kato received a BS and MS degree from Tokyo University of Pharmacy and Life Science, Tokyo, Japan in 1996 (B.S., Pharmacy) and 1998 (M.S., Pharmaceutical Sciences/Toxicology). Dr. Kato did predoctoral training at National Research Institute for Child Health and Development, Japan and Kochi Medical School, Japan. Dr. Kato then got his Ph.D. degree at Kochi Medical School in 2004 (Ph.D., Medical Science/Immunology). Following this, he moved to Division of Allergy-Immunology, Northwestern University School of Medicine, USA as a postdoctoral fellow in 2005. Dr. Kato was promoted to Assistant Professor of Medicine (tenure-track), Northwestern University School of Medicine in 2007. Dr. Kato's laboratory is focused on the role of epithelial cytokines in the initiation and activation of airway inflammation. His laboratory also investigates the pathogenesis of chronic rhinosinusitis which is a chronic inflammatory disease of the sinuses and upper airways that affects over 10 million Americans.