Professional history, affiliations, Honors and research interest: Dr. Tsai was the attending neurologist (1990-2000) and Associate Professor (1995-2000) of the Movement Disorders Center at Chang Gung Memorial Hospital, Taiwan, and the research fellow of movement disorders and electrophysiology in 1996(July to Dec.) at Royal Adelaide Hospital, Australia, shadowed by Prof. PD Thompson. He has been a member of the Movement Disorder Society since 1997. He has published 119 refereed papers in the field of movement disorders and electrophysiology. In 2006, he was promoted as the Professor of Neurology at the China Medical University and Hospital, Taiwan. In March 2019, he was elected to be the Dean of the College of Medicine, China Medical University, Taiwan. His pivotal interests are in the neurophysiology of Parkinson's disease, myoclonus, tremor, human motor control, and gait. He was the president of the Taiwan Movement Disorder Society (March 2017-March 2019) and the Taiwan Clinical Neurophysiology Society Council member. In addition, he was the Executive Committee member of the International Parkinson and Movement Disorder Society-Asian Oceanian Section from 2017 to 2021. He was granted the Taiwan Medical Role Model Award in 2020 by the Taiwan Medical Association. In the Department of Neurology, he had cultivated 5 MD-PhD of his subordinates in the past 22 years. He dedicated most of his time to education, clinical service, and research of movement disorders and clinical neurophysiology.