Prof. Dr. Katsumi Mizuno is Professor and Chief of the Department of Pediatrics at Showa University School of Medicine, Japan, and has served as President of The Nippon Foundation Human Milk Bank since 2021. He earned his M.D. and Ph.D. from Showa University School of Medicine and is a board-certified neonatologist. He currently serves as a Council Member of the Japanese Pediatric Society and President of the Japanese Society for Breastfeeding Research. He also represents the International Society for Research in Human Milk and Lactation (ISRHML) as an EC member. His research interests include neonatal sucking behavior, nutritional strategies for preterm infants, and human milk composition.