Jonathan Moerschel began studying the viola with John Ziarko in Boston and chamber music with the violist from the Kolisch Quartet, Eugene Lehner. Moerschel made his Boston Symphony Hall solo debut with the Boston Pops Orchestra 1997 after taking first prize in the Boston Symphony Orchestra Concerto Competition. He received both his BM and Masters from USC, studying under Donald McInnes and Ralph Fielding, a Professional Studies Certificate from Colburn, and an Artist Diploma from The Juilliard School in String Quartet Studies. Moerschel is the violist of the renowned Calder Quartet, which serves as the Quartet-in-Residence of The Colburn School. The Quartet has collaborated with several pivotal composers including Terry Riley, Thomas Ades, and Christopher Rouse. The Quartet has also collaborated extensively with indie rock band The Airborne Toxic Event and party rocker Andrew WK, and performed on The Late Show with David Letterman, the Tonight Show with Jay Leno, and at the Coachella Music and Arts Festival. He also is an Adjunct Professor of Viola and Chamber Music at Azusa Pacific University in Glendora, California.