Dr. Chunfeng Zhao is a Professor at the Department of Orthopedic Surgery, Mayo Clinic, Rochester, MN, USA. Dr. Zhao is also the director of the Biomechanics Core. Dr. Zhao is a fellow of the American Institute for Medical and Biological Engineering (AIMBE), which represents the top 2% of medical and biological engineers. He earned his Ph.D. at the Tianjin Medical College in 1982. His research field focus on tendon acute or chronic injuries, especially flexor tendon, rotator cuff, anterior cruciate ligament and Achilles tendon, tissue engineering for tendon regeneration, spine and joint biomechanics, orthopedic instrumentation design, and autologous or allograft transplantation.