Walter Greenleaf, PhD is a research neuroscientist and medical product developer working at Stanford University. He is currently a Distinguished Visiting Scholar at Stanford University’s MediaX Program, a Visiting Scholar at Stanford University’s Virtual Human Interaction Lab, Director of Technology Strategy at the University of Colorado National Mental Health Innovation Center, and Member of the Board of Directors for Brainstorm: The Stanford Laboratory for Brain Health Innovation and Entrepreneurship. Walter previously served as the Director for the Mind Division, Stanford Center on Longevity, where his focus was on advancing research on age-related changes in cognition.