Reed A. Omary, M.D., M.S., is a Professor in the Department of Radiology at Vanderbilt University Medical Center (VUMC) in Nashville, Tennessee. He has 25 years of experience as a practicing interventional radiologist, NIH-funded scientist, and educator.

Having served as Vanderbilt’s Chair of Radiology from 2012-2023, Dr. Omary oversaw over 700 faculty, staff and trainees. During that time, he was Chair of the Board for the Vanderbilt Medical Group, founded Vanderbilt University School of Medicine’s Medical Innovators Development Program, and co-led VUMC’s strategic planning efforts. Nationally, he served as President of the Association of University Radiologists and President-elect of the Society of Chairs of Academic Radiology Departments.

Kristin O’Grady, PhD, is a biomedical engineer, imaging scientist and Research Assistant Professor in the Department of Radiology and Radiological Sciences at Vanderbilt University Medical Center (VUMC). She earned her BS in Engineering Science at Trinity University in San Antonio, TX and her PhD in Biomedical Engineering at Vanderbilt University. Dr. O’Grady completed her postdoctoral training in the Vanderbilt University Institute of Imaging Science (VUIIS) under the mentorship of Seth Smith, PhD. She was awarded an NRSA F32 postdoctoral fellowship by the National Institute of Neurological Disorders and Stroke (2017-2018) to develop chemical exchange saturation transfer (CEST) MRI methods to study cognitive impairment in multiple sclerosis. She joined the Vanderbilt faculty in 2019 as Research Instructor. Dr. O’Grady was promoted to Research Assistant Professor and was awarded a four-year K01 Mentored Research Scientist Career Development grant from the National Institute of Biomedical Imaging and Bioengineering (NIBIB) in 2020. Her research is focused on developing quantitative MR methodologies for the brain and spinal cord, with the goal of better understanding the effects of biological sex on pathological changes associated with neurological diseases such as multiple sclerosis.

Section: Vanderbilt University Institute of Imaging Science

Allen Newton, PhD, is a biomedical engineer with a broad background in imaging science and specific expertise in magnetic resonance imaging and image/signal analysis. He earned his MS and PhD in Biomedical Engineering at Vanderbilt University and joined the Vanderbilt faculty in 2016 as Research Assistant Professor pursuing novel imaging strategies for pediatric and functional neuroimaging. He was promoted to Associate Professor in 2022.

Dr. Newton runs the pediatric clinical fMRI program for the Monroe Carell Jr. Children’s Hospital at Vanderbilt, and advises the clinical community on advanced MRI. His research interests span a wide range of fields including decreasing the need for sedation in pediatric MRI, decreasing radiation exposure in children by facilitating modality shift from CT to MRI, the use of imaging in 3D printing, utilizing ultra-high field MRI in pediatrics, perfusion imaging, functional MRI, image guidance for surgery, and MR histology. In general, Dr. Newton is interested in doing new things never done before, and doing simple things better.

Section: Vanderbilt University Institute of Imaging Science

Brett Murdock, MD, is a graduate of David Lipscomb University and earned his medical degree from Georgetown University School of Medicine. He completed a residency in Diagnostic Radiology and fellowship in Cardiothoracic Imaging at the University of North Carolina. Dr. Murdock joined the Vanderbilt faculty in 2019, and he currently serves as the Cardiothoracic Fellowship Director. In 2025, Dr. Murdock was promoted to Associate Professor.

Section: Cardiothoracic Imaging

Ryan Muller, MD, is a graduate of the College of William and Mary and earned his medical degree from the University of South Carolina. He completed residency in Diagnostic Radiology at Georgetown University Hospital, awarded the Homer L. Twigg, M.D. Outstanding Resident of the Year in 2012. Following dual fellowships in Vascular and Interventional Radiology at Georgetown University Hospital and Abdominal Imaging and Intervention at Brigham and Women’s Hospital, Dr. Muller practiced at Washington Hospital Center in Washington, DC. He joined the Vanderbilt faculty in 2017 as Assistant Professor of Radiology. Through 2022, he served as Program Director for both the Integrated IR residency and the IR fellowship. In 2023, he assumed the new role of Director of GU Interventions in the Department of Radiology, while also receiving a secondary appointment as Assistant Professor of Clinical Urology with the Vanderbilt University School of Medicine. In 2024, Dr. Muller was promoted to Associate Professor of Radiology and Radiological Sciences and Clinical Urology. He was also named the Medical Director of Interventional Radiology. He is a member of the Society of Interventional Radiology (SIR).

Section: Interventional Radiology

Cari Motuzas, MD, earned her medical degree and completed a residency in Diagnostic Radiology at the University of South Alabama, and she completed a fellowship in Neuroradiology at Vanderbilt University Medical Center. She joined the Vanderbilt faculty in 2009 as Assistant Professor, and was promoted to Associate Professor of Clinical Radiology and Radiological Sciences in 2018. Dr. Motuzas was awarded a certificate of curriculum design for her role in developing a new integrated science course for third and fourth year medical students, Medical Imaging & Anatomy, for which she served as co-director for four years. Dr. Motuzas previously served as Program Director for VUMC Radiology's Diagnostic Radiology Residency.

Section: Neuroradiology