Dr. Orr's practice interests include adult spine surgery, including deformity and minimally invasive surgery. In addition, his research interests include outcomes in spinal surgery, spinal biomechanics and biomaterials. He joined the Cleveland Clinic from Hamilton Health Sciences Corporation, Hamilton General Division in Ontario where he was a staff member for the Division of Orthopaedic Surgery. He also served as the assistant clinical professor of surgery at McMaster University (Hamilton, Ontario) and was previously the site chief of orthopaedics at the Hamilton General Site Hamilton Health Sciences Corporation. Dr. Orr has authored numerous publications and presentations for medical journals and conferences across the country and in Canada.