Dr. Walkup received her Ph.D. in physical chemistry in 2013 from Southern Illinois University where her dissertation work focused on the physics and production of hyperpolarized xenon-129 gas for magnetic-resonance applications. She is currently a NIH K99-supported Research Associate in the Center for Pulmonary Imaging Research. Her research focuses on all aspects of hyperpolarized-gas MRI research, including the design and construction of a xenon polarizer for pediatric pulmonary imaging. She has worked to develop 129Xe MRI techniques to quantify regional lung ventilation and alveolar-airspace size in pediatric and adult lung diseases, with special focus on the clinical translation of MRI to describe rare-lung diseases like post-transplantation bronchiolitis obliterans and lymphangioleiomyomatosis. She is an early-career scientist with passion for developing quantitative MRI-based methods to assess regional cardiopulmonary structure-function relationships and how these methods may be implemented to personalize patient care and improve outcomes.