Tanya J. W. McDonald, M.D., Ph.D., is Associate Professor of Neurology, Epilepsy Division, at Johns Hopkins University School of Medicine, Baltimore. She is Medical Codirector of the Adult Epilepsy Diet Center and Director of the Epilepsy Fellowship program at Johns Hopkins University School of Medicine. Dr. McDonald completed her undergraduate studies at Emory University and received her medical and doctoral degrees from Cornell University. She completed her internship in internal medicine, neurology residency, and fellowship in epilepsy and clinical neurophysiology at Johns Hopkins School of Medicine. Dr. McDonald specializes in the treatment of adults with seizures and epilepsy. Her specific interests include dietary therapies for adults with epilepsy, evaluations for seizure surgery, and epilepsy in women, including considerations during pregnancy. Her research focuses on the impact of ketogenic diets on seizure control and on cardiovascular health measures in adults with epilepsy.