Simon Day is a Senior Research Associate in the Institute for Risk & Disaster Reduction at the University College London, where he has taught courses in geohazards for the insurance industry. Previously, he was an Associate Researcher at the University of California, Santa Cruz. Dr. Day has more than 20 years’ research experience, including field investigations on volcanoes in the Canary Islands, Cape Verde Islands, South Sandwich Islands, and in Papua New Guinea, and geological evidence for tsunamis in Papua New Guinea. His research work has included the mapping and characteri­zation of volcanic hazards; investigation of the physical processes of volcano deformation and collapse; the development and testing of tsunami models, focusing on the generation of tsunamis by volcano collapse landslides and other types of landslide; and investigations of the roles of traditional knowledge and awareness education in shaping risk perceptions and mitigation strategies for tsunami, volcanic, and other hazards. He can be reached at simon.day@ucl.ac.uk.