John Sipher has been the principal trombonist of the Colorado Symphony Orchestra since 2015. Prior to his current position, he has held principal trombone positions with the Syracuse Symphony Orchestra, the Virginia Symphony Orchestra, the Richmond Symphony Orchestra, and was a fellow at the New World Symphony. A native of Roanoke, Virginia, he received his bachelor’s degree in Music Education with a minor in Jazz Studies from James Madison University and his Master of Music in trombone performance from Yale University. In addition to his orchestral appointments, he has performed with the Los Angeles Philharmonic, the Detroit Symphony Orchestra, the Baltimore Symphony Orchestra, the Saint Paul Chamber Orchestra, the Rochester Philharmonic, and the Grand Teton Music Festival Orchestra. As an educator, John has served as a trombone instructor at Hamilton College and the University of Northern Colorado, and has presented masterclasses and recitals across the country, including a program of original compositions and arrangements for looped trombone at the International Trombone Festival in 2023. John is an active contributor of music to the trombone repertoire, composing and arranging music primarily for trombone ensembles and for trombone and loop pedal.