Trumpet Workshop faculty includes Roy Poper, associate professor of trumpet at Oberlin Conservatory of Music; and Arto Hoornweg, a member of the Rotterdam Philharmonic Orchestra.

Roy Poper is associate professor of trumpet at the Oberlin Conservatory of Music. Formerly principal trumpet of the Los Angeles Chamber Orchestra and LA Opera Orchestra, he has recorded hundreds of major motion picture film scores, was a founding member of the Modern Brass Quintet, and was a member of the Frank Zappa and the Mothers of Invention band.

Previous faculty appointments include the University of Southern California Thornton School of Music, California Institute of the Arts, the North Carolina School of the Arts, and the California State University – Northridge. Considered the foremost protégé of the great pedagogue James Stamp, Poper’s Guide to the Brasswind Methods of James Stamp has become a best-seller among brass method books.

Arto Hoornweg, member of the Rotterdam Philharmonic Orchestra since 1982, taught trumpet at the Rotterdam Conservatory until 1984, and since then at the Utrecht Conservatory School of the Arts. He has been a member of the Netherlands Wind Ensemble, and is a founding member of the Netherlands Brass Quintet, with whom he has played all over the world. Hoornweg has played with all major orchestras in the Netherlands and in all major cities of the world.

He made his debut as soloist with the Netherlands Chamber Orchestra in the Amsterdam Concertgebouw at age 19, and was the last student of James Stamp in Los Angeles, until Stamp's death in 1985.