Prof. Dr. Ka-Chun (Joseph) Siu is a Professor of Physical Therapy and a Director of the Global Health Opportunity Program at the University of Nebraska Medical Center. He received his BS in Physical Therapy from Kaohsiung Medical University, Taiwan in 1999, and his Ph.D. in Human Physiology from the University of Oregon in 2006. His clinical experience is in geriatrics. He primarily studies motor control and gait biomechanics, focusing on the elderly population and patients with chronic movement disorders. His second research area focuses on motor learning in human performance. He published more than 80 scientific articles in the areas of geriatrics, balance control, rehabilitation technology (e.g., virtual reality), and medical education. His research portfolio was supported by several federal funding agencies including NIH, NASA, and NIOSH.