David A. Merrill, MD, PhD, is a physician-scientist whose work focuses on brain health, healthy cognitive aging, prevention, and personalized approaches to cognitive decline.

His clinical and research work has explored how multiple potentially modifiable factors can influence cognitive health and how advances in neuroscience, precision medicine, and lifestyle intervention can be translated into practical strategies.

As Director, Dr. Merrill guides the scientific direction of the Precision Brain Health Program and the development of its educational programs, resources, and initiatives.