Christopher Vertullo is an Specialist Orthopaedic Knee Surgeon whose areas of research are 1) Total Knee Replacement Outcomes, 2) ACL Ligament Injury, 3) Osteoarthritis Joint Preservation. He is an Adjunct Professor at the GCORE, Griffith University and Director of Knee Research Australia. Research methodology include Instrumented Variable Analysis of Registry data, Randomised Control Trials, and Biomechanical testing.