Pf. Han-Joon Kim is a board-certified neurologist in Korea and movement specialist. He was Pf. Beomseok Jeon's fellow in 2005 and since then he has devoted his career to the study of movement disorder as an independent researcher. Since 2009, he is working at Seoul National University Hospital and now he is a full professor in the Department of Neurology and Movement disorder center. Clinically, he has great experience on patients with movement disorders including, but not restricted to, Parkinson disease, MSA, other atypical parkinsonisms, and ataxias. With these patients, he has done and now doing many clinical and genetic researches. He is currently an active member of MDS, MDS-AOS, and Korean Movement Disorder Society (KMDS). As a member of MDS, he is attending every annual meeting since 2008 and is taking part in MDS activities including committee works and study groups. He is a LEAP graduate of 2015 and served as a faculty (speaker) in annual MDS meetings in 2017, 2018, 2019, and 2020.