Tim Benton is Professor of Population Ecology, School of Biology at Unicersity of Leeds. He is the expert in global food security from a system's perspective: from production and its impacts on the environment to trade, manufacturing and retail, and impacts on nutrition and health. From 2011, he has been UK Champion for Global Food Security, acting as ambassador and spokesperson for matters to do with food and food security, and coordingating work across this area between research councils and government departments. He is the member of the Worlds Economic Forum's Global Future Council on Food Security.