Jason Koh is the Mark R. Neaman Family Chair of Orthopaedic Surgery;  Director of the Orthopaedic & Spine Institute specialty hospital at NorthShore University HealthSystem, Illinois, and Clinical Professor at the University of Chicago Pritzker School of Medicine. He  is an internationally recognized expert in knee, shoulder, and sports medicine, and has served as team physician for the Chicago Cubs, the major league soccer team Chicago Fire, and the Joffrey Ballet.   Stefano Zaffagnini,  an Associate Professor of Orthopedics and Traumatology at the University of Bologna, specializes in sports traumatology, knee and shoulder surgery and arthroscopic surgery. After his residency in orthopedics, he completed a Sports Medicine, Knee Surgery, and Orthopedic Research Fellowship at the University of Pittsburgh, USA. He has qualifications from all over Europe and the USA, and has published over 100 peer-reviewed papers. Ryosuke Kuroda is thecurrent Chairman & Professor at the Department of Orthopedic Surgery, Kobe University Graduate School of Medicine. His research focuses on the biology and biomechanics of the knee joint. He serves on the board of directors of the Japanese Orthopedic Society of Knee, Arthroscopy and Sports Medicine and has been a board member of the Japanese Society of Clinical Sports Medicine since 2009. Prof. Kuroda holds various positions of responsibility within ISAKOS. Farid Amirouche is a Professor and Director of Orthopedic Research at the University of Illinois College of Medicine. He has received grants from the National Aeronautics and Space Administration/Lewis, AFSOR, and the National Science Foundation. He is a member of the American Society of Mechanical Engineers, American Institute of Aeronautics and Astronautics, Society Automobile Engineers, and the American Society of Engineering Education. He received his PhD in ME from the University Cincinnati, 1984. He has published over 267papers and 3 books. Umile Giuseppe Longo is an Associate Professor and Consultant in Trauma and Orthopedic Surgery at the University Campus Bio-Medico of Rome. He has been the recipient of several prestigious national and international awards. His research interests include shoulder traumatology and replacement.