Eri Kosaka

Assistant Principal Second Violin

Eri Kosaka

Eri Hattori Kosaka joined the Toronto Symphony Orchestra in 2012 and became Assistant Principal Second Violin in 2015. Prior to her current position, Ms. Kosaka was a member of the Kansas City Symphony for two seasons and a violin fellow at the New World Symphony in Miami Beach, where she was a rotating Concertmaster.

Growing up in Tokyo, Japan, Ms. Kosaka started playing the violin at age six and took lessons with Akiko Tatsumi, with whom she studied with for more than 10 years. While she lived in San Diego, she studied with Michael Tseitlin. After graduating from Toho High School of Music and Toho Gakuen College of Music in Japan, she was awarded a scholarship from the Yamaha Foundation to study abroad. Ms. Kosaka graduated with a Master of Music and Graduate Diploma from the New England Conservatory where she studied with Miriam Fried. She has participated in festivals and music academies across the U.S., Japan, and Europe, including the Aspen Music Festival and Sarasota Music Festival in the U.S., Pacific Music Festival in Japan, Schleswig-Holstein Festival in Germany, Salzburg Music Academy in Austria, and Courchevel International Music Academy in France.

As a soloist, she has performed with the San Diego Symphony, Janáček Philharmonic Orchestra, and Central Aichi Orchestra, and has won awards at the Japan Mozart Competition, New Classic Audition in Japan, and the All Japan Student Music Competition.

Current as of April 2018


Give to the TSO

The Toronto Symphony Orchestra is a charitable organization that relies on the support of its vibrant community to deliver outstanding programming and music education.

Donate Today


Subscribers get the best seats at the best prices, plus an array of exciting perks! Stay tuned for details on our momentous 100th season in 2021/22!

Email Club

Get insider access to Toronto Symphony Orchestra news, ticket offers, community programs, and more.

Sign up for Email Club
Live Chat Button