Professor McNeil was head of the Monash University School of Public Health and Preventive Medicine, based at the Alfred hospital campus, from its inception until 2019. He is currently an NHMRC Leadership Fellow in the same school. After training as a physician he completed his PhD in clinical pharmacology and undertook post-doctoral training in epidemiology at the University of London’s School of Hygiene and Tropical medicine. His research interests have subsequently been focused on the application of epidemiological methods to problems in clinical medicine public health. A major part of this work has been on the development of clinical quality registries and their application to monitoring the safety and quality of medical care. He was closely involved in the establishment of clinical registries covering trauma, cardiovascular disease, cancer, rare diseases and high risk drugs and devices. He was also the instigator and a co-principal Investigator of the US/Australian ASPREE trial. In 2017 he was awarded the Order of Australia in recognition of his services to public health.