David Perlmutter
Dr. David Perlmutter is a Board-Certified Neurologist and six-time New York Times bestselling author whose work focuses on the intersection of neurology, nutrition, and brain health. A Fellow of the American College of Nutrition, he serves on its Board of Directors and on the Editorial Board of the Journal of Alzheimer’s Disease.
His books, including the #1 bestseller Grain Brain, have been published in 32 languages and sold over a million copies. Dr. Perlmutter lectures globally at leading institutions and has been featured on major media outlets including 20/20, CNN, The Today Show, and Oprah. His book, Brain Defenders, focuses on the pivotal role of microglia, the brain’s immune cells, in protecting, repairing, and reprogramming the brain for lifelong resilience.
His contributions have earned him numerous national and international awards for clinical innovation and leadership.


















