Julian Feller is an internationally recognised Melbourne orthopaedic surgeon whose main area of interest is knee surgery. His expertise covers the whole range of knee conditions from sports injuries to knee replacement. His particular interests are anterior cruciate ligament injuries and patellar instability, as well as knee replacement and osteotomies. Julian has a long involvement in clinical research and is currently an Adjunct Professor in the Faculty of Health Sciences at La Trobe University. He has published extensively and written many book chapters. He is a regular speaker at international meetings and is on the editorial board or is a reviewer for the all the major sports orthopaedics journals.