Andy Challinor is a Professor of Climate Impacts at the University of Leeds. He began his research career with a PhD at the University of Leeds on boundary layer flow through forests. He then spent some years at Reading, conducting postdoctoral research on the impacts of climate variability and change on food crops. He returned to Leeds in 2007 to take up a Lectureship and initiate and lead the Climate Impacts group (www.see.leeds.ac.uk/research/icas/climate-impacts-group), which now has approximately 10 members. Andy led the NERC EQUIP consortium (www.equip.leeds.ac.uk) and is a Theme Leader for ‘Adaptation pathways under progressive climate change’ – one of four themes of international programme on Climate Change, Agriculture and Food Security (CCAFS) (ww.ccafs.cgiar.org). He is also Research Director for the University of Leeds Africa College Partnership and Lead Author on the ‘Food Production Systems and Food Security’ chapter of the forthcoming Fifth Assessment report of the IPCC.