Dr. Shellenberger’s professional interests include pediatric and general otolaryngology, especially in the surgical treatment of hearing loss, head and neck and thyroid cancers, and facial reconstruction. He is active in several professional societies, including the American Academy of Otolaryngology, the Texas Medical Association, Board Certified in Sleep Medicine, and the Tarrant County Medical Society. He has been invited to present papers at several national academy meetings and has published research articles in a number of national journals. His research interests include advances in the treatment of vocal cord paralysis and management of pain after tonsillectomy.