Dr. Tadashi Terui is Professor and Chairman of the Dermatology Department at Nihon University School of Medicine in Tokyo. Since 2015, he has also served as Vice Director of Nihon University Itabashi Hospital. Professor Terui received his medical degree from Tohoku University School of Medicine in 1981 and his PhD in cutaneous immunology in 1991. From 1985-1988 he was an Assistant Dermatology Professor at the Tohoku University School of Medicine, and from 1988-1991, he served as a Research Associate in the Pathology Department at the University of Utah, United States. From 1991-2004, he served first as a lecturer and then as an Associate Dermatology Professor at the Tohoku University School of Medicine. He has served in his current position since 2005. Professor Terui’s major research interests are cutaneous inflammation and immunology, hidradenitis suppurativa, psoriasis, pustulosis palmaris et plantaris-SAPHO syndrome, urticaria, and atopic dermatitis. He serves on the Board of Directors of the Japanese Dermatology Association and the Japanese Society for Psoriasis Association.