Professor Andy Purvis is a research leader at the Natural History Museum in London. He heads the PREDICTS (Projecting Responses of Ecological Diversity In Changing Terrestrial Systems) project, which aims to model globally how local terrestrial biodiversity responds to human pressures in order to use these models to project potential biodiversity futures under alternative scenarios of socioeconomic development. He was a coordinating lead author on the first IPBES Global Assessment of Biodiversity and Ecosystem Services and scientific adviser on Sir David Attenborough’s BBC documentary, “Extinction: The Facts.”