Steve SparksProfessor Steve Sparks is a volcanologist at the University of Bristol and joint leader of the Global Volcano Model (GVM). With expertise in many aspects of volcanology, he is the most highly cited scientist in this field. His interests include volcaic hazards and risk, the physics of volcanic eruptions and fluid dynamics of hazardous flows. Professor Sparks has provided advice to governments during ongoing and developing volcanic emergencies in Montserrat and Iceland. Read More Read Less