Stephen Todd is a highly influential scholar in private law. He is author or part-author of seven books (30 including successive editions) and author of 49 articles and of chapters in 21 books. His work is widely cited and has had exceptional impact in New Zealand courts and in higher courts overseas. He has been an invited presenter at many international conferences, in particular the New Zealand Supreme Court Conference (2014) and High Court of Australia Centenary Conference (2003). He achieved world distinction on being awarded the John Fleming Memorial Prize for Torts Scholarship (2006). He was the Rutherford Scholar and Visiting Fellow at Trinity College, Cambridge (2017). He has been consulted by major research bodies, the New Zealand Law Society and the New Zealand Royal Commission on Genetic Modification.