Jong-Sun Choi studied at Daejeon Arts High School and Kyung Hee University College of Music Bachelor. After he moved to Germany and graduated from Germany Saarbruecken Musik Hochschule Diplom and Hochschule Konzertreife. He won a prize at a various competition such as a Music Association of Daejeon, Musical Competition of Pai Chai University and the first prize at Student Musical Competition of Kyung Hee University. He performed at Duisburg Philharmonic Orchestra Praktikum in Germany. Currently he is working as a lecturer at Korea National University of Arts and an Adjunct Professor of Yeungnam University. He is also working for Seoul Philharmonic Orchestra as a tutti player.