Georgina Mace is Professor of Biodiversity and Ecosystems and Director of the UCL Centre for Biodiversity and Environment Research (CBER)(http://www.ucl.ac.uk/cber). Previously she was Director of the Centre for Population Biology at Imperial College London (2006-2011), and Director of Science at the Zoological Society of London (2000-2006). Her research interests are in measuring the trends and consequences of biodiversity loss and ecosystem change. She has worked on IUCN’s Red List of threatened species, the Millennium Ecosystem Assessment, and the UK National Ecosystem Assessment. She chaired the Royal Society Working Group on ‘Resilience to Extreme Weather’ and was a member of the Royal Society Working Group in ‘Geoengineering the climate’. She was the 2007 winner of the international Cosmos prize and 2016 winner of the Heineken Prize in environmental science. She was President of the British Ecological Society (2011-2013), is a member of NERC Council and currently she is a member of the government Natural Capital Committee. She was awarded a CBE in 2007, DBE in 2015 and elected FRS in 2002.