Dr. Walter Greenleaf is recognized internationally as a pioneer in the use of advanced computer technology in medical applications. He is a research scientist trained in neuro- and bio-behavioral sciences at Stanford University. His focus has been on the use of simulation technology to improve physical medicine, neuro- and cognitive rehabilitation. Dr. Greenleaf:

• Established Greenleaf Medical, a medical device development company, in 1988; the company has developed numerous diagnostic and analytic technologies for medicine, including a telerehabilitation platform.
• Helped Sun Microsystems acquire the VPL patent portfolio of fundamental patents covering 3D interaction over the Internet in 1998. The portfolio covers not just basic 3D interaction, but also sound, tactile feedback, and shared virtual environments; Greenleaf Medical retains rights to the medical applications of these patents.
• Worked as a scientific advisor and consultant to the Public Health Service, the National Institutes of Health (NIH), National Aeronautics and Space Administration (NASA) and the Department of Education.
• Has recieved funding as a principle investigator for a Small Business Innovation (SBIR) research grant from the NIH.
• Edited a series of biomedical books for the Institute of Electrical and Electronics Engineers (IEEE).
• Is a contributing editor to CyberPsychology and Behavior.
• Serves on the scientific advisory committee for the Interactive Media Institute and several other non-profit organizations.
• Was a finalist for Discover Magazine's annual technology award, and has received numerous awards and commendations from the IEEE, Association for Computing Machinery (ACM) and other professional associations.
• Is an invited judge for the International Medical Design Excellence Awards for the Medical Device and Diagnostics Industry Association.
• Organized a series of conferences on “VR Technology and Persons with Disabilities,” presented by the University of California Center for Disabilities, for which he serves as a founding board member.
• Is an organizer for the yearly “Medicine Meets VR” symposia conducted by the University Of California Irvine School Of Medicine, the annual CyberTherapy conference conducted by the Interactive Media Institute, and the International Congress on Medical and Care Compunetics.
• Chaired the International Virtual Reality Conference held in Australia and keynoted the Asian Rehabilitation Symposium held in Singapore, the International Biomedical Conference held in Hong Kong, and the 2003 RESNA conference.
• Has appeared on NextStep, The Phil Donahue Show, Beyond 2000, and CNN.