Samuel MacDessi is Conjoint Professor of Orthopaedic Surgery at UNSW, Sydney and specialises in arthroplasty and sports medicine surgery of the knee. He the Chairman of Orthopaedics at St George Private Hospital and Director of Research and Training at Sydney Knee Specialists. His research focus is on evolving techniques in arthroplasty surgery and has extensive experience in the field of knee arthroplasty, osteotomy and ligament reconstruction.

Prof MacDessi was awarded the Fellowship of the Royal Australasian College of Surgeons (FRACS) in Orthopaedic Surgery in 2004 and was the Knee and Hip Reconstruction Fellow at the Hospital for Special Surgery, New York in 2005-06. He completed his Doctorate of Philosophy in Knee Surgery from the University of NSW in 2020 and received the Dean’s Award for Outstanding PhD Thesis. This important research culminated in development of the “Coronal Plane Alignment of the Knee” or CPAK Classification. He serves on editorial boards including the Bone and Joint Journal and has numerous publications and editorials in the field of knee surgery.