Ritsuko Hanajima has studied neurophysiology of movement disorders, mainly using TMS. She received PhD from the University of Tokyo in 1999. From 2001 to 2003. she studied in Toronto Western Hospital. From 2003, she worked at the University of Tokyo. In 2017, she became a Director and Professor of Division of Neurology, Department of Brain and Neurosciences, Faculty of Medicine, Tottori University. She is an executive committee member of Japanese Society of Neurology, an executive committee member of Japanese Society of Clinical Neurophysiology, President of Japanese Movement Disorder Society.