Karen Charlton is an advanced accredited practising dietitian and registered public health nutritionist who teaches on the nutrition and dietetics programmes at the University of Wollongong. Her research interests include diet and lifestyle interventions across the lifespan, including ageing in developing countries. Her work in micronutrient nutrition focuses on prevention of iodine deficiency for optimal pregnancy outcomes. On a population level, Karen works on strategies to lower blood pressure and was instrumental in providing evidence for mandatory regulation for salt target levels in various processed foods in South Africa.