Penelope Webb is a Principal Research Fellow and Group Leader at the QIMR Berghofer Medical Research Institute, Brisbane, and Honorary Professor in the School of Public Health, University of Queensland. She taught basic and intermediate epidemiology to public health students across Australia for five years¿and has worked as a visiting scientist at the International Agency for Research on¿Cancer, France, and Harvard University, Massachusetts. She has published more than 290 original research papers in the field of epidemiology.