Georgina Mace is Professor of Biodiversity and Ecosystems and Director of the UCL Centre for Biodiversity and Environment Research (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, the UK National Ecosystem Assessment and the Ecosystem Services for Poverty Alleviation Programme (ESPA). She was awarded a CBE in 2007, elected FRS in 2002, and was the 2007 winner of the international Cosmos prize. She is President of the British Ecological Society (2011–2013), a member of NERC Council and Chair of the Scientific Committee of DIVERSITAS.