Kristian Samuelsson is a professor of Orthopaedic Surgery in The University of Gothenburg and a Senior Consultant in Orthopaedic Surgery in Sahlgrenska University Hospital. His research is focused on sports orthopaedics with special interest in the knee joint. He has started a research center within the University named Sahlgrenska Sports Medicine Center which engages approximately 30 researchers, PhD-students, medical students, physical therapists and others. The center collaborates with several other institutes around the world, especially University of Pittsburgh Medical Center. Kristian’s clinic compromise of knee surgery where he performs mostly more complex knee procedures such as revision surgeries, multiligament reconstructions and patella procedures.