Andy Haines was Director of the London School of Hygiene & Tropical Medicine from 2001- October 2010. He was trained in family practice and epidemiology. He developed an interest in climate change and health in the 1990’s and was a member of the Intergovernmental Panel on Climate Change on three occasions. He chaired the Rockefeller /Lancet Commission on Planetary Health and the InterAcademy Partnership working group on climate change and health. He currently co-chairs the Lancet Pathfinder Initiative on health in the net zero economy and has many publications on climate change and health. He is the scientific advisor to the Pan-European Commission on Climate Change and Health, vice chair of the United Nations Independent Panel on the Effects of Nuclear War and sits on several international committees. He received the Tyler Prize for Environmental Achievement in 2022.