Dr. Walter Greenleaf, PhD is a behavioral neuroscientist and a medical product developer. He is currently a Distinguished Visiting Scholar at Stanford University’s MediaX Program, and a Visiting Scholar at Stanford University’s Virtual Human Interaction Lab. As a medical product developer, Dr. Greenleaf’s focus has been on computer supported clinical products, with a specific focus on virtual reality and digital health technology to treat Post-traumatic Stress Disorder (PTSD), Anxiety Disorders, Traumatic Brain Injury and Stroke, Addictions, Autism, and other difficult problems in behavioral and physical medicine. Dr. Greenleaf is known internationally as an early pioneer in the medical application of virtual environment technology, and is viewed as one of the founders of the field. He has designed and developed several clinical product streams over the last twenty-seven years, including products in the fields of: surgical simulation, 3D medical visualization, telerehabilitation, clinical informatics, clinical decision support, point-of-care clinical data collection, ergonomic evaluation technology, automatic sleep-staging systems, psychophysiological assessment, and simulation assisted rehabilitation technologies, as well as products for behavioral medicine.