Alex van Duuren is a dynamic and creative instructor and an accomplished professional musician. He currently serves as assistant professor of trombone at the University of Tennessee, where he is responsible for private and class instruction of undergraduate and graduate trombone students, as well as additionally performing with the UT Faculty Brass Quintet. His experiences as a performer and academician have developed wide-ranging proficiencies which are adaptable to diverse academic and professional applications.

Alexander Lapins teaches applied tuba and euphonium, chamber music and performs with the faculty brass quintet at the University of Tennessee School of Music. During the summer he serves as an instructor at the Curry Summer Music Camp, the Blue Lake Fine Arts Camp, and the Miraphone Academy of the West. Dr. Lapins has also taught at Northern Arizona University, the University of Indianapolis, Indiana State University, Indiana University, University of Michigan All-State Program at Interlochen, Detroit Symphony Civic Orchestra, and French Woods Fine Arts Camp.