Mr Collopy is a busy Perth-based surgeon with clinical interests in hip and knee replacement, revision arthroplasty, and pelvic and acetabular trauma.

He is well-respected nationally and internationally, and is a regular speaker on the national and international circuit. Mr Collopy completed his residency and advanced surgical training at Royal Perth Hospital. After gaining FRACS Ortho in 1994, he undertook three years of overseas fellowship training in the area of hip and knee arthroplasty and revision surgery, initially at the Nuffield Orthopaedic Centre, Oxford UK, followed by a further year at the Cleveland Clinic, Ohio, and finally a fellowship in pelvic and acetabular trauma at Parkland Memorial Trauma Centre, Dallas Texas.

He works as a Consultant at St John of God Health Care in Perth. Mr Collopy’s research interests are in hip and knee implant design and fixation, and was one of the design surgeons on the Emperion revision hip system, the Triathlon knee system and the AccoladeII hip system.

He, together with one of his partners, Mr Gavin Clark, is involved in developing robotics in knee and hip replacement. Mr Collopy is the immediate Past-President of the Arthroplasty Society of Australia, and is currently the Chairman of the WA State branch of the AOA. He sits on numerous committees, including the AOA Scientific Committee, the COE Committee, and the NJRR Committee.