Duncan is a partner and Head of the Medical Malpractice Group at Neinstein. He is a seasoned litigator, well-known for his advocacy and ability to dissect complicated medical-legal issues. Duncan primarily represents patients injured due to medical harm, with particular focus and skill on birth injury and brain injury cases across Canada. Duncan has appeared before all levels of trial and appellate courts, including the Supreme Court of Canada. His most recent courtroom accomplishments include victories in Hasan v. Trillium Health (2022 ONSC 3175) and Hemmings (litigation guardian of) v. Peng (2022 OJ No 2127), both involving severely brain injured plaintiffs; and a recent appeal win in Farej v. Fellows (2022 ONCA 254). He is a regular speaker and presenter in all areas of medical negligence for the Ontario Trial Lawyers Association, the Ontario Bar Association, and the Law Society of Upper Canada. Duncan has been voted by his peers as a leading expert in his field since 2014 in The Canadian Legal Lexpert Directory and has been named as one of Canada's Best Lawyers since 2015.