He is also a part of the Scaffold Tissue Engineering Group in the Department of Biomedical Engineering. Beginning in 2011, Dr. Zopf has cultivated several innovations in medical 3D printing. Dr. Zopf is a member of the biomedical team - along with Dr. Glenn Green and Dr. Scott Hollister - that developed a life saving, patient specific, 3D printed airway splint. Dr. Zopf was first author of the landmark New England Journal of Medicine article detailing this innovation. Dr. Zopf lead pre-clinical testing in a novel animal model for tracheobronchomalacia, which has paved the way for an upcoming clinical trial.