Charles Guy is Associate Professor of Tuba and Euphonium at the Crane School of Music at the State University of New York where his duties include instructing the Tuba-Euphonium studio, directing the Crane Tuba-Euphonium Ensemble, coaching chamber music, and teaching the tuba component of Brass Techniques. He performs with the Potsdam Brass Quintet, Orchestra of Northern New York, and the Northern Symphonic Winds as well as serving as substitute for the Syracuse Symphony Orchestra. In the summers he teaches tuba and euphonium at the Interlochen Arts Camp.

Before joining the faculty at Crane, Charles taught at the Lawrence University Conservatory of Music as an instructor of tuba, euphonium and theory. He performed with The Lawrence Brass and the Oshkosh Symphony Orchestra. He has also held positions at several colleges throughout Michigan including Central Michigan, Grand Valley State University, The University of Michigan-Flint, Calvin College, and Cornerstone College. He earned both the Masters of Music and Doctor of Musical Arts degrees from Michigan State University and a Bachelor of Music Performance degree from the University of Akron. He has performed with several orchestras including the Rochester Philharmonic Orchestra, Green Bay Symphony Orchestra, The Michigan Opera Theatre Orchestra, Lansing Symphony Orchestra, West Shore Symphony Orchestra and was principal tuba in the Midland (MI) Symphony Orchestra.

Active as a soloist and clinician Charles has performed at the 2003 and 2005 Northeast Regional Tuba-Euphonium Conference, 2004 United States Army Band Tuba-Euphonium Conference, 2002 and 2003 Symphonia Workshops and 2001 Wisconsin Music Educators Association Conference. In 1999 he won the prestigious Leonard Falcone Festival tuba solo competition and has since served as an adjudicator. He has published articles and reviews in the International Tuba and Euphonium Association Journal and has been recorded on the Mark and Bernel Labels. He is a Willson Performing Artist and performs exclusively on Willson tubas.