Dr Marina Romanello is the Data Scientist and Research Fellow for The Lancet Countdown tracking progress on health and climate change, where she leads the research of the collaboration, and is in charge of the scientific development and refining of the Lancet Countdown's indicators. She has trained as a Biochemist at the University of Buenos Aires, Argentina, and holds a PhD in Biomedical Sciences from the University of Cambridge. Her research has focused on environmental exposures and epigenetic alterations. Earlier, Dr Romanello worked as a Postdoctoral Research Fellow  at the Francis Crick Institute in London, studying the   drivers of cancer onset.