is an Imaging Medical Physicist and Associate Professor at the University of Colorado School of Medicine in Aurora, Colorado. Dr. Marsh is a graduate of the University of Texas Graduate School of Biomedical Sciences in Houston, Texas, and completed her imaging residency at M.D. Anderson Cancer Center. She is certified by the American Board of Radiology in Diagnostic Medical Physics.

Dr. Marsh participates in a wide range of volunteer activities with the American Association of Physicists in Medicine and the American Board of Radiology. Currently, she provides clinical services for x-ray-based imaging modalities and has a specific interest in promoting sensibility in the practice of clinical medical physics. Her primary professional goal is to help provide healthcare professionals and patients with accurate and consistent information about radiation risk from diagnostic imaging procedures.