David M. Ashley is the Rory David Deutsch Distinguished Professor of Neuro-Oncology and Director of The Preston Robert Tisch Brain Tumor Center at Duke, positions he has held since 2018 after joining from Australia, where he trained and led major neuro-oncology programs. He practices adult and pediatric neuro-oncology and oversees one of North America’s largest dedicated brain tumor centers, integrating clinical care, translational research, and education. His scholarship spans CNS tumor biology, immuno-oncology, and clinical trials, and he has served as principal investigator on national and international studies that inform current practice. Dr. Ashley’s cross-continental career and leadership of a globally recognized brain-tumor center have earned him a strong international reputation for advancing patient-centered innovation in neuro-oncology.