Guo-Xin Ni earned his doctorate in Orthopedics and Traumatology from The University of Hong Kong. He received a bachelor’s degree in Clinical medicine from Tongji Medical University and a master’s degree in Rehabilitation Medicine from The Third Military Medical University. He is currently a professor in Rehabilitation Medicine, and the Dean of School of Sports Medicine and Rehabilitation, Beijing Sport University. Dr. Ni’s research mainly focuses on: (1) Exercise and osteoarthritis; and (2) Clinal orthopaedic rehabilitation. Dr. Ni holds memberships of several international and national orthopaedic and related research organizations, including the International Chinese Hard Tissue Society (ICHTS), Chinese Orthopaedic Research Society (CORS), Chinese Association of Physical Medicine and Rehabilitation. As a Humboldtian, he has received a number of research awards, such as ‘Australian Endeavour Award’, ‘Fujian Young Scientist Award’. Dr. Ni has authored over 170 scientific papers including some in Biomaterials, Journal of Orthopaedic Research, Arthritis Research & Therapy, Osteoarthritis and Cartilage.