Mark Maslin FRGS, FRSA is a Professor of Climatology at University College London. He is a Royal Society Industrial Fellowship, Executive Director of Rezatec Ltd and Director of The London NERC Doctoral Training Partnership. He is science advisor to the Global Cool Foundation and the Sopria-Steria Group and a member of Cheltenham Science Festival Advisory Committee. Maslin is a leading scientist with particular expertise in past global and regional climatic change and has publish over 165 papers in journals such as Science, Nature, and The Lancet. He has been PI or Co-I on grants worth over £45 million (including 30 NERC, 2 EPSRC, 2 DIFD, 2 Carbon Trust, 2 ESA, 3 Technology Strategy Board, Royal Society and DECC). 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.