Professor Hambleton is a biostatistician with a first degree in Mathematics, a Masters in Medical Statistics and a Doctorate in Statistical Epidemiology. He has worked as a statistician for 25 years in Europe, Africa, and the Caribbean, for the UK Medical Research Council, The London School of Hygiene and Tropical Medicine, and The University of the West Indies (UWI). He has expertise in a range of research study designs, and a long history of leading project data handling and analytics, including the management of solutions for robust and secure online data collection. He has published over 200 peer-reviewed articles on a range of chronic and infectious diseases. For ongoing and recently completed projects, see Ian's website. He is committed to open-access data, and is Principal Investigator on a grant to facilitate and encourage Caribbean data-sharing (www.iadb.org/en/project/RG-T4186). He has been a Cochrane statistical editor since 2009. He works with the Pan-American Health Organization on several projects, including using the Global Health Estimates (who.int/data/global-health-estimates), and digital transformation for health in the Americas. He is an occasional statistical consultant for UNICEF – the United National Children’s Fund, and a statistical reviewer for The National Institutes of Health in the USA, and the Medical Research Council and the National Institute for Health Research in the UK.