A native of Eugene, Oregon, Seth Horner is the Principal Tuba of the North Carolina Symphony in Raleigh, NC, Principal Tuba of the Britt Festival Orchestra in Jacksonville, OR and teaches tuba and euphonium at the University of North Carolina School for the Arts (UNCSA) in Winston-Salem, NC beginning fall 2020. Horner was the Acting-Principal Tuba of the Baltimore Symphony Orchestra for three seasons beginning in 2014 and served as instrumental faculty teaching tuba and euphonium at Towson University for three semesters. At the age of 19, Seth served 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 attended the Peabody Conservatory, was an honors graduate of the University of Oregon and was valedictorian of his class at the Curtis Institute of Music. 


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’s most was out in spring of 2020 and features the North Carolina Symphony under the direction of Grant Llwellyn performing William Walton’s Cello Concerto and Don Quixote by Richard Strauss, with Zuill Bailey, cello and Roberto Diaz, viola. Horner has performed with the Philadelphia Orchestra, National Symphony, Kennedy Center Opera, Utah Symphony, New Jersey Symphony, Louisville Symphony, Oregon Symphony, and New World Symphony among others. He has made chamber music appearances with the Washington Symphonic Brass, the 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. In the summer, Seth serves as the principal tuba of the Britt Festival Orchestra in Jacksonville, OR and has performed with the Oregon Bach Festival Orchestra. Seth 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, and Towson University. He resides in Durham, NC.