Professor of Earth System Science, UCL. Mark Maslin FRGS is a Professor of Earth System Science at University College London. He is a founding Director of Rezatec Ltd and he was a Royal Society Industrial Fellow. He is a science advisor to Transition Lab, Sopra-Steria, and Sheep Inc. He is a member of the Cheltenham Science Festival Advisory Committee. Maslin is a leading scientist with particular expertise in past global and regional climatic change and has published over 160 papers in journals such as Science, Nature, Nature Climate Change, The Lancet, and Geology. He has been awarded research council, charity and Government research, and postgraduate training grants of over £60 million. His areas of scientific expertise include causes of past and future global climate change and its effects on the global carbon cycle, biodiversity, rainforests, and human evolution. He also works on monitoring land carbon sinks using remote sensing and ecological models and international and national climate change policies. Professor Maslin has presented over 45 public talks over the last three years including UK Space conference, Oxford, Cambridge, Liverpool, RGS, Tate Modern, Frontline Club, Fink Club, Royal Society of Medicine, British Museum, Natural History Museum, The Baker Institute, Goldman Sachs and the Norwegian Government. He has supervised 10 research fellows, 18 Ph.D. students, and over 40 MSc students. He has also have written 8 popular books, over 50 popular articles (e.g., The Conversation, New Scientist, Geographical magazine, The Times, Independent and Guardian), appeared on radio and television (including Time team, Newsnight, Dispatches, Horizon, The Today Programme, Material World, BBC News, Channel 5 News, and Sky News). He was also one of the key presenters of Sir David Attenborough's BBC One 'Climate Change: The Facts'. His latest popular book is the highly successful Penguin book 'The Human Planet' co-authored with Prof. Simon Lewis. Maslin was also a co-author of the 2009 Lancet report ‘Managing the health effects of climate change’ and a contributor to the annual Lancet Commission on climate change and global health. He was included in Who’s Who for the first time in 2009 and was granted a Royal Society Wolfson Research Merit Award for the study of early human evolution in East Africa in 2011. He is currently the Director of the London NERC Doctoral Training Partnership. Experience –present professor of Climatology, University College London