Prof. Hiroshi Mitoma is the Chief Professor of the Department of Medical Education at Tokyo Medical University. He graduated with an MD in 1985 from the Faculty of Medicine of Tokyo Medical and Dental University, where he also received a PhD in 1989. He moved to the Department of Neurology of Tokyo Medical and Dental University in 1990, and to the Institute of Mitsubishi Life Sciences in 1995. He was Director of the Mitoma Neurological Clinic from 1999 to 2009, Adjunct Professor of the Department of Medical Education at Tokyo Medical University from 2006 to 2016, Professor of the Medical Education Promotion Center at Tokyo Medical University from 2016 to 2018, Director of Medical Education Promotion Center, Tokyo Medical University, since 2017, and Chief Professor of the Department of Medical Education, Tokyo Medical University. He has contributed to research on 'immune-mediated cerebellar ataxias'. Using physiological methods, he has clarified the pathomechanisms underlying anti-GAD65 antibody-associated cerebellar ataxias. He has also contributed to an establishment of the notion of 'cerebellar reserve'. His major interests include the physiology of neurological diseases. Prof. Mitoma is a member of the Japanese Neurological Society and the Japanese Medical Education Society, and a member of the international delegate of the Society for Research on the Cerebellum and Ataxias (SRCA).