Marian “Emmy” Betz, MD, MPH, is an emergency physician who works clinically at the University of Colorado Hospital and conducts research in injury epidemiology and prevention. She is currently a Professor of Emergency Medicine at the University of Colorado School of Medicine, Deputy Director of the Injury and Violence Prevention Center (Colorado School of Public Health), and a Research Physician at the Geriatric Research, Education and Clinical Core. She founded and leads the CU Anschutz Firearm Injury Prevention Initiative as well as the Colorado Firearm Safety Coalition. She has worked with numerous state and national organizations, serves as PI and Co-I on multiple research projects funded through the National Institutes of Health, Department of Defense, and private foundations.