Bill McGuire is a volcanologist, climate scientist, activist, and writer. He is Professor Emeritus of Geophysical and Climate Hazards at UCL, a co-director of the New Weather Institute and a patron of Scientists for Global Responsibility. In 1996, he was a Senior Scientist at the Montserrat Volcano Observatory and in 2010 a member of SAGE during the Icelandic volcanic ash crisis. In 2005, he was a co-author of the UK Government report: The Role of Science in Natural Hazard Assessment. He was a contributor to the 2012 IPCC report on climate change and extreme events.