Violinist Sumire Hirotsuru, born in Oita, Japan, has multifaceted interests in music, education, and media.

She often performs with Yo-Yo Ma and the Silk Road Ensemble, has recorded video game soundtracks including Final Fantasy series, and has served as a co-concertmaster of the Juilliard Orchestra. In 2012, she co-founded Summer in JAPAN, an annual educational program and has provided nearly a thousand Japanese schoolchildren with English workshops.

 As an active writer, she holds a column on Nikkei business newspaper and is a contributor for the Juilliard Journal.

Sumire earned a B.A. from Harvard University in 2016 and a M.M. from The Juilliard School in 2018. She is a recipient of the William Schuman Prize, awarded for outstanding achievement and leadership in Music.