Dr. Kenton Kaufman is the W Hall Wendel Jr Musculoskeletal Research Professor, Professor of Bioengineering, Professor of Orthopedics, Director-Motion Analysis Laboratory, and Consultant in the Departments of Orthopedic Surgery, Physiology and Biomedical Engineering at Mayo Clinic. He is a registered professional engineer. Hehas published over 300 papers and holds 8 patents. He is a Fellow in the AmericanInstitute for Medical and Biological Engineering, American Society of Biomechanics, American Society of Mechanical Engineers, Orthopedic Research Society, and International Society of Biomechanics. Dr. Kaufman currently serves on the Medical Advisory Board for the American Orthotic and Prosthetic Association. He is leading an effort to develop a national Limb Loss and Preservation Registry.