Dr Pereira is a perinatal epidemiologist, environmental health researcher and biostatistician in the discipline of Epidemiology and Biostatistics at the School of Public Health, Curtin University. He has previously held an NHMRC Sidney Sax fellowship and is currently an Honorary Senior Research Fellow, Telethon Kids Institute. Previously, he has held positions in the Center for Perinatal, Pediatric and Environmental Epidemiology at Yale University and the Yale School of Environmental Studies. He has served on multiple National Health and Medical Research Council fellowship and project grant review panels. He is a member of the national scientific advisory committee for the Red Nose Foundation and chairs the Western Australian Perinatal Epidemiology Group. He leads large international studies to review clinical guidelines of the World Health Organization, to evaluate effectiveness of vaccination in pregnancy, to investigate the influence of air pollution and climate change on children's health, and to develop prognostic models for stillbirth and perinatal morbidity using machine learning and big data. Gavin is a visiting professor at the Centre for Fertility and Health in 2020-2021.