This meeting is designed for scientists and clinicians working in basic or clinical pharmacology research, pharmaceutical industry, regulatory bodies, and postgraduate students. A strong focus of this meeting is the application of population modelling and simulation techniques in the experimental, clinical and regulatory settings of drug development. The PAGANZ meeting is the Australasian forum for scientists with a research and professional interest in the use of the population approach in pharmacokinetics and pharmacodynamics. The annual Population Approach Group in Australia and New Zealand ( PAGANZ) meeting will be the first virtual PAGANZ meeting hosted in Sydney, Australia by the school of Pharmacy, University of Sydney St Vincent’s Hospital, Sydney and St Vincent’s Clinical School, UNSW from Wednesday 27th January to Friday 29th January 2021.