Walter Greenleaf, PhD, is a Neuroscientist and Medical Technology Developer at Stanford University. With over 35 years of experience in medical research and product development, he is a leading authority in digital medicine and the clinical application of virtual reality technology. Walter has developed systems that address a wide range of conditions, including post-traumatic stress disorder, anxiety disorders, stroke, addictions, autism spectrum disorder, depression, neurodegenerative diseases and traumatic brain injury as well as neurorehabilitation and other complex challenges in healthcare. He serves as an advisor to the Stanford Virtual Human Interaction Lab, the Stanford Wearable Electronics Initiative and the Virtual Reality and Immersive Technology Clinic at Stanford. Walter was the founding Chief Science Officer for Pear Therapeutics and currently holds the position of Chief Science Officer at Interaxon. In addition to his research at Stanford, he is a technology and neuroscience advisor for several medical product development companies and investment groups.