Youjin began playing the cello at the age of five in the preparatory division of the San Francisco Conservatory of Music. She received her Bachelor’s degree from UCLA as a recipient of the Max H. Gluck Foundation and went on to earn her Master’s degree from the New England Conservatory, where she studied under Yeesun Kim as a Dean’s List honoree and recipient of the Dean’s Scholarship.
 She has also studied with distinguished artists including Joon Sung Jun, Antonio Lysy, and Susan Lamb Cook. 

Youjin has participated in prestigious programs such as Orford Musique, the Heifetz International Music Institute, and the Beethoven Seminar at the New England Conservatory under the guidance of the Borromeo Quartet. She has performed in renowned venues including Jordan Hall, Walt Disney Concert Hall, and Zipper Hall, as well as internationally in Italy, Luxembourg, and Canada. She was also featured on Classical KUSC’s Sundays Live series.

Recently, Youjin performed the Dvořák Cello Concerto with the Gachon University Orchestra. She is currently on faculty as a lecturer at Gachon University and is a member of Geum Nanse’s New World Chamber Orchestra. In addition, she frequently appears as a substitute musician with professional orchestras including the Seongnam Philharmonic Orchestra. 
Youjin is the Program Manager at Amici International Music Festival.