About Mary


Mary SangHyun Yong is a brilliant concert violist based in South Jersey. She has performed around the globe, working with musicians from prestigious organizations such as the Philadelphia Orchestra, Guarneri Quartet, and the Juilliard Quartet.

Her love for orchestral works has led her to play in many established orchestras including the Philadelphia Orchestra, New York Philharmonic, Minnesota Orchestra, Baltimore Symphony, East Coast Chamber Orchestra, Sejong Soloists String Orchestra, New York City Ballet Orchestra, IRIS Orchestra, and Symphony in C. She has also performed under the baton of renown conductors such as Yannick Nezet-Seguin, Simon Rattle, Bernard Haitink, Alan Gilbert, Nicholas Harnoncourt, and Marin Alsop.

Active as a soloist, Mary has also soloed with numerous orchestras such as the Philadelphia Orchestra and Burlington Chamber Orchestra won prizes at the Primrose International Viola Competition and Lionel Tertis International Viola Competition.

Mary entered college at the age of 16 and she has been teaching viola ever since high school. She currently holds a teaching position at the Symphony in C Youth Orchestra and also holds a private studio in Marlton, NJ. Mary has earned a Bachelor’s degree from Curtis Institute of Music and a Master’s degree from the Juilliard School. 

Mary is also a mother of two little boys. When she is not at work, she loves to sing for her kids and bake healthy muffins and cookies for the family.


Email with inquiries regarding lessons and performances: sanghyun.yong@gmail.com