Professor and JC Kennedy Chairman of Orthopaedic Surgery at the University of Western Ontario in London, Ontario, Canada. He is a native of London, Ontario and received his undergraduate Bachelor of Science Degree at the University of Western Ontario. He then received his medical degree from the University of Toronto. His orthopaedic residency training was at the University of Western Ontario in London, Ontario. Further training as an adult reconstructive fellow was obtained in Chicago, Illinois and in Bern, Switzerland. Dr. MacDonald has won many awards including, twice the John Charnley award from the Hip Society, the Frank Stinchfield award from the Hip Society, the John Insall Award from the Knee Society, the Mark Coventry award from the Knee Society and the Founders Medal from the Canadian Orthopaedic Research Society. Dr. MacDonald is a member and leader of multiple Orthopaedic organizations including the North American Hip Society, the International Hip Society and the North American Knee Society. Dr. MacDonald has served as President of the North American Knee Society and the Canadian Arthroplasty Society. Dr. MacDonald is an internationally recognized thought leader in the field of hip and knee replacements. He has been a member of over 25 awarded research grants for hip and knee replacement projects totaling over 5 million dollars. He has published over 200 papers and book chapters in research journals in the field of hip and knee surgery. He has lectured at over 250 national and international meetings.