Michael A. McGeehin is a senior environmental health epidemiologist whose work focuses on investigating the associations between global climate change and human health outcomes. Until recently, Dr. McGeehin was a senior epidemiologist for the Research Triangle Institute developing population vulnerability assessments, health impact assessments, and qualitative and quantitative integrated climate change and human health assessments. Prior to joining RTI, Dr. McGeehin enjoyed a 33-year career as an environmental epidemiologist at the Centers for Disease Control and Prevention, spending the last 11 years as a Senior Consultant and Director of the CDC’s Division of Environmental Health Effects. During his time at CDC, he developed the Agency’s Climate Change Program and the Environmental Public Health Tracking Program and greatly expanded the National Asthma Control Program. Dr. McGeehin served as co-chair of the First U.S. National Assessment of Climate Change and was a member of the Federal Advisory Committee for the nation’s Third National Assessment. He also chaired the Committee’s workgroup on health indicators of climate change. Dr. McGeehin is author or co-author of over 70 peer-reviewed manuscripts on a wide range of environmental health topics.