Principal Tuba, Pittsburgh Symphony Orchestra. Former, acting principal tuba, San Francisco Symphony; principal tuba, Sacramento Symphony, New World Symphony. Founding member, Center City Brass Quintet, with five recordings on Chandos label. Co-principal, Grand Teton Music Festival. Performances, Empire Brass and orchestras of Philadelphia, Cleveland, Chicago, Detroit, and Minnesota. Former faculty, San Francisco Conservatory, California State University-Hayward, Kent State University. Guest lecturer, Indiana University, University of Michigan, National Orchestral Institute, MMCK Festival (Japan).