Dr. Mosier is a native of Elko, Nevada and attended college at Boise State University. He completed medical school at the University of Nevada School of Medicine and completed his residency in emergency medicine at the University of Arizona. After residency, Dr. Mosier completed a critical care medicine fellowship at the University of Arizona and currently is the director of Emergency Medicine/Medical Critical Care and the Assistant Program Director of the Critical Care Medicine fellowship within the Department of Medicine, Section of Pulmonary/Critical Care. He has a dual appointment with both the Departments of Emergency Medicine and Internal Medicine and his academic interests include advanced airway management, resuscitation, and critical care ultrasound.