Dr. Shaffer serves as Adjunct Instructor of Trumpet at Southeastern Oklahoma State University where his duties include Private Trumpet Instruction, Trumpet Studio Class, Trumpet Ensemble, Brass Methods, and Brass Pedagogy. Prior to his appointment at Southeastern, Dr. Shaffer was a Teaching Fellow at the University of North Texas (Brass Methods), and a Teaching Assistant at Ohio University (Trumpet, Trumpet Ensemble, Trumpet Methods). He holds degrees from the University of North Texas (D.M.A.), Ohio University (M.M.), and Indiana University of Pennsylvania (B.S. Music Education). Dr. Shaffer is a member of the Keystone Wind Ensemble, who actively performs throughout the United States and can be heard on various record labels such as GIA and Klavier.