Marcus is fifteen and attends Yorktown High School. Marcus began studying piano at the age of five and is currently a student of Nancy O’Neill Breth. Over the years, he has received top awards from numerous piano competitions including Sejong Music Competition, Bradshaw and Buono International Piano Competition, Viola Hartman Piano Awards, WMTA Bach Baroque Competition, Modern Piano Music Celebration, Miriam Shields Gottlieb Memorial Piano Competition, WMTA and NVMTA Judged Recitals and Virginia Northern District Auditions. Outside of music, he plays travel soccer and enjoys math and creative writing.
Watch Marcus Yoon perform Trois études de concert No. 3 (S. 144) by Franz Liszt on the piano for the 2026 Instrumental Music Competition as part of the Charleston International Music Competition.