Koichi Hiraoka has been a professor in the Department of Rehabilitation Science at the School of Medicine and the Graduate School of Rehabilitation Science, Division of Rehabilitation Science, at Osaka Metropolitan University since 2022. He earned his Ph.D. from the Graduate School of Human Sciences at Waseda University. He is also a member of the Japanese Society of Clinical Neurophysiology and the Japanese Physical Therapy Association. He sits on the editorial board of Brain Sciences and is an associate editor of Somatosensory & Motor Research and a review editor of Frontiers in Human Neuroscience. In 2009, he received the 39th Excellent Presentation Award from the Japanese Society of Clinical Neurophysiology.