A pianist from South Korea, Young Sun Choi started to learn the piano at age six. She graduated from Yewon School, and Seoul Arts School, having studied with Jung Won Moon. Then she continued her musical studies at Seoul National University. She earned a national scholarship for outstanding artists from the Korean government and graduated summa cum laude from Seoul National University with a bachelor’s degree in piano and musicology. Choi studied piano with Aviram Reichert and musicology with Hee-Sook Oh. After she moved to the U.S. in 2018, Choi received a master of music from IU Jacobs School of music where she has been currently studying as a doctoral student. Since 2018, she has been studying with Arnaldo Cohen and serving as an associate instructor in the piano department at the Jacobs School of Music.

          As a winner of the 26th Rina Sala Gallo Monza International Piano Competition, Choi won top prizes in many  international competitions including Bösendorfer USASU International Piano Competition, American International Paderewski Piano Competition, Franz Schubert and Modern Music International Chamber Music Competition, and Lyon International Piano Competition. She has been awarded scholarships in the United States, including the Mildred E. Allen Memorial Piano Award from Indianapolis Matinee Musicale, and the Ham Merit Award and O'Meara Merit Award from the National Society of Arts and Letters.

          Choi has performed with many orchestras including Orchestra Sinfonica di Milano Giuseppe Verdi, Korean Broadcasting System Symphony Orchestra, Prime Philharmonic Orchestra, Kazan Chamber Orchestra “La Primavera”, and Indiana University Symphony Orchestra. As a member of Trio Unio, she has given many piano trio recitals in various venues including Alpensia Concert Hall in PyeongChang.