Before coming to UO, Eric Wiltshire was assistant professor of music at the University of Dayton (Ohio), where he was director of the "Pride of Dayton" Marching Band, among others, and taught courses in marching band pedagogy, instrumental conducting, arranging, literature and resources, and low brass pedagogy.

Wiltshire's research and publication interests include topics such as the marching band's role in education, composer Gregory Youtz, and arranging for the small marching band. He is a member of the Music Educators National Conference and the College Band Director's National Association.