Tada-aki Kudo is an assistant professor and global ambassador of the Tohoku University Graduate School of Dentistry. He is also a physiology educator accredited by the Physiological Society of Japan, and a board-certified member of the Dry Mouth Society in Japan. He graduated from the Tohoku University School of Dentistry in 2001 and acquired a national license as a dentist. He conducted research on cellular molecular biology and also graduated from the Tohoku University Graduate School of Dentistry in 2005 and acquired a Ph.D. His current work focuses specifically on (i) psychophysical studies on the gustatory function and oral fat sensitivity, and (ii) molecular mechanisms of differentiation, regeneration, and apoptosis in osteoblasts and neurons. He belongs to many academic societies, including the Physiological Society of Japan, the Japanese Society for Masticatory Science and Health Promotion, the Dry Mouth Society in Japan, the Japanese Journal of Tobacco Control, and the Japanese Association for Oral Biology.