Dr. Walter Greenleaf, Ph.D., is a neuroscientist and medical technology developer at Stanford University.  With over 35 years of research and product development experience, he is considered a leading authority on AR/ VR technology and digital healthcare applications.

Walter is the Research & Innovations Director for the Stanford Medical Mixed Reality Center. He also advises the Stanford Virtual Human Interaction Lab, the Stanford Wearable Electronics (eWear) Program, and the Stanford Virtual Reality & Immersive Technology (VR-IT) Clinic. He currently advises Interaxon as Chief Science Officer and is the Board Chair for the International Virtual Reality Health Association (IVRHA).

Walter has designed and developed numerous clinical systems over the last thirty-five years, includingproducts in the fields of surgical simulation and training, 3D medical visualization, telerehabilitation, clinical informatics, clinical decision support, point-of-care clinical data collection, ergonomic evaluation technology, automatic sleep-staging systems, psychophysiological assessment, stroke and TBI rehabilitation, as well as digital applications to support behavioral medicine and mental healthcare.  

Previously, Walter was the Director of the Mind Division at the Stanford Center on Longevity, where he focused on age-related changes in cognition.  He was also the founding Chief Science Officer of Pear Therapeutics, a pioneering company in SaMD, and the CEO of Virtually Better, a company that develops virtual environments for the treatment of phobias, anxiety disorders, and PTSD.

Walter’s current focus is on designing, developing, and validating clinical systems that leverage biosensing, AI, and XR technology to address challenging problems in behavioral and physical medicine, such as cognitive aging, post-traumatic stress, anxiety disorders, depression, traumatic brain injury and stroke, addictions, and autism spectrum disorder.