Pai-Feng Yang, PhD, earned a BS and MS in Biomedical Engineering from Chung Yuan Christian University and a PhD in Electrical Engineering from National Taiwan University in Taipai, Taiwan. He worked as a Research Associate for three years and completed a research fellowship at the National Taiwan University, Institute of Zoology. In 2012, he joined the Vanderbilt faculty as a Postdoctoral Research Associate. In 2022, he was promoted to Research Assistant Professor. He is a member for the Society of Neuroscience. His current research project involves focused ultrasound modulates region-specific brain activity of no-human primate at 7T and effects of monkey's spinal cord injury on nociceptive heat evoked fMRI responses at 9.4T.

Section: Vanderbilt University Institute of Imaging Science

Xinqiang Yan, PhD, earned a PhD is Particle Physics and Nuclear Physics from the Institute of High Energy Physics, Chinese Academy of Sciences in Beijing, China. He completed a postdoctoral research fellowship at Vanderbilt University Institute of Imaging Science, and he joined the Vanderbilt faculty as Research Instructor. Dr. Yan’s research is focused on RF hardware, parallel imaging and parallel transmission in MRI.

Section: Vanderbilt University Institute of Imaging Science

Junzhong Xu, Ph.D., is an Associate Professor of Radiology and Radiological Sciences at Vanderbilt University Medical Center. His current research projects are focused on the development, validation, optimization, and evaluation of advanced quantitative MRI methods in various applications such as neurodegenerative diseases and cancer. The specific projects include 1) development and validation of MRI cell size imaging for mapping biological microstructure in cancer or neurodegenerative diseases; 2) assessment of MR cell size imaging to better characterize tumor status and monitor tumor early treatment response to anti-cancer therapy; and 3) applications of advanced MRI methods to improve the diagnosis and treatment response of neurodegenerative diseases including multiple sclerosis.

Section: Vanderbilt University Institute of Imaging Science

William R. Winter, MD, MS earned his Master of Science degree at Tulane University and his Doctor of Medicine degree at University of California, Irvine. He completed an integrated Interventional Radiology and Diagnostic Radiology residency at Vanderbilt University Medical Center and joined Vanderbilt as an Assistant Professor of Radiology and Radiological Sciences in 2021. He is a member of the Society of Interventional Radiology, the American College of Radiology and the Radiological Society of North America.

Section: Interventional Radiology

Jennifer Williams, MD, is a graduate of the University of North Carolina and earned her medical degree at the University of Texas Health Science Center at San Antonio. She completed a residency in Radiology at Lenox Hill Hospital in New York City, NY and a fellowship in Cardiovascular Imaging at Carnegie Hill Radiology. Dr. Williams joined the Vanderbilt faculty in 2007 as Assistant Professor. In 2022, she was promoted to Associate Professor. In 2023, she was named the Section Chief of Cardiothoracic Imaging. In 2024, Dr. Williams was named the Assistant Medical Director of Vanderbilt Imaging Services. She is a member of Radiological Society of North America.

Section: Cardiothoracic Imaging

Feng Wang, PhD, earned a PhD in Physical Chemistry from Vanderbilt University. After completing a post-doctoral fellowship in Biophysics at Vanderbilt University, she joined the faculty in 2008. Dr. Wang was the recipient of the Best Teacher Award (UESTC) in 1998 and the Warren Award in 2002. Dr. Wang’s research is focused on the MRI protocols for functional study of non-human primates and MRI assays for investigating spinal cord injuries. In addition, she is applying an array of quantitative MRI methods for assessing kidney disease using murine models. She is a member of the American Chemical Society and ISMRM.

Section: Vanderbilt University Institute of Imaging Science

Sarah D. Valenti, RN, MSN, ACNP-BC, earned her BS in Human and Organizational Development with honors from Vanderbilt University and her MSN in Nursing-Adult Acute Care from Vanderbilt University School of Nursing. Following seven years working at Vanderbilt University Medical Center as a RN at the Burn Center and then as a Nurse Practitioner for Emergency General Surgery and the Surgical Intensive Care Unit, she joined the Vanderbilt faculty in 2010 as Assistant in Radiology and Radiological Sciences. She served Interventional Radiology as an Acute Care Nurse Practitioner for 10 years before joining the Vanderbilt Lung Screening Program in 2020 as a Radiology Nurse Practitioner.

Section: Cardiothoracic Imaging

Mohammed Tantaway, PhD, MB, is a graduate from the Mu’tah University in Mu’tah, Jordan. He earned a PhD in Physics from the University of Tennessee at Knoxville and M.B.A. from Tennessee State University. He joined the Vanderbilt faculty in 2009 as Instructor. In 2016, he was appointed Research Assistant Professor of Radiology and Radiological Sciences. Dr. Tantaway is a member of the Society of Nuclear Medicine, Sigma Pi Sigma and the American Physics Society. His research uses nuclear imaging modalities, including PET, SPECT and CT. His projects involve cancer imaging, neuroreceptor imaging, renal function and bone disease.

Section: Vanderbilt University Institute of Imaging Science