Sir Andrew Haines is a British epidemiologist and academic. He was the Director of the London School of Hygiene & Tropical Medicine from 2001 to 2010. He has been a member of a number of major international and national committees including the MRC Global Health Group (chair) and the WHO Advisory Committee on Health Research. He chaired the Lancet/Rockefeller Foundation Commission on Planetary Health, which was set up to assess the potential implications for health of multiple interacting environmental changes affecting the Earth’s ‘essential life support systems’. He was also a lead author on health on the UN Intergovernmental Panel on Climate Change for the second and third assessment reports and review editor for the health chapter in fifth assessment report. His current research is on global environmental change and health. He currently co-chairs the European Academies Science Advisory Council’s working group on climate change and health.