A native of Eugene, Oregon, Seth Horner is the Principal Tuba of the North Carolina Symphony in Raleigh, NC. In the summers he serves as the Principal Tuba of the Britt Festival Orchestra in Jacksonville, OR. Horner was the Acting-Principal Tuba of the Baltimore Symphony Orchestra for three seasons beginning in 2014 and has held positions as instrumental faculty teaching tuba and euphonium at Towson University and the University of North Carolina School for the Arts (UNCSA). At the age of 19, Seth held a one-year position as Principal Tuba of the Colorado Symphony Orchestra under Marin Alsop, and has held positions as the Principal Tuba of the West Virginia Symphony and the Oregon Ballet Theatre Orchestra. Seth studied primarily with David Fedderly, Paul Krzywicki, Warren Deck, and Michael Grose. Horner earned his Bachelor of Music degree from the Curtis Institute of Music where he was the valedictorian of his class. Seth completed a Master's Degree from the University of Oregon, and holds a Graduate Performer's Diploma from the Peabody Institute of Johns Hopkins University


Seth was a frequent substitute with the Baltimore Symphony prior to assuming the acting-principal tuba position in 2014 and performed during the BSO’s west coast tour and its 2010, 2014, and 2016 Carnegie Hall appearances with Marin Alsop. He can be heard on three of the BSO’s recent albums (Prokofiev's Romeo and Juliet and Bernstein's Symphonies No. 1, 2, and 3) conducted by Marin Alsop, and also performed with the Colorado Symphony on their album Roy Harris: Symphonies 3 and 4 with Marin Alsop. Seth can also be heard on the North Carolina Symphony's most recent album under the direction of Grant Llewellyn performing William Walton’s Cello Concerto and Strauss's 'Don Quixote', with Zuill Bailey, cello and Roberto Diaz, viola.


Horner has performed with many orchestras nationwide including the Philadelphia Orchestra, National Symphony, Kennedy Center Opera, St. Louis Symphony, Seattle Symphony, Utah Symphony, San Diego Symphony, New Jersey Symphony, Louisville Orchestra, Oregon Symphony, and New World Symphony among others. He has made chamber music appearances with the Washington Symphonic Brass and the Clipper City Brass and worked on a freelance basis for 8 years in the Baltimore/DC area. In 2012 Seth performed the Broughton Tuba Concerto with the Capital Wind Symphony in Vienna, VA.


Seth has served as an audition panel member and coach for Carnegie Hall’s National Youth Orchestra of the United States (NYO-USA) of America as well as Carnegie’s NYO2 since their inception. In the summer, in addition to his work with the Britt Festival Orchestra in Jacksonville, OR he has performed with the Oregon Bach Festival Orchestra. Seth teaches tuba and euphonium privately and has given masterclasses/recitals at the Tidewater Brass Institute, Eastern Music Festival, University of North Carolina at Greensboro, University of Oregon, Eastern Carolina University, Ithaca University, the University of Washington and Towson University. He resides in Durham, NC.