[3] Born in Salt Lake City, Hagen started playing the violin at age 4 and made his orchestral debut with the Utah Symphony at age 9.
[4] He studied at the Colburn School with Robert Lipsett, the Juilliard School with Itzhak Perlman, and Kronberg Academy with Christian Tetzlaff.
[5] As a recitalist and chamber musician, Hagen has performed at the Louvre, Wigmore Hall, Beethoven House, and Santa Fe Chamber Music Festival.
[6] Hagen currently performs on the 1732 Arkwright Lady Rebecca Sylvan Stradivarius violin, loaned from the Rachel Barton Pine Foundation.
[7] Hagen played varsity baseball in high school and hit 23 career home runs.