Academic Otolaryngologist at Johns Hopkins and subsequently Chair of Otolaryngology and Vice Dean at the University of Pennsylvania and Senior Vice President of the University of Pennsylvania Health System Interests include bringing medical innovation to the bedside, administration of physician organizations. Research is focused on the etiology and impact of chronic rhinosinusitis and its medical and surgical management. Specialties: Sinus surgery and minimally invasive skull base surgery Development of innovative surgical techniques Academic, Medical group practice and hospital management