Paul Santi is a Professor of Geological Engineering at the Colorado School of Mines, where he has been on faculty for over 19 years. Previously, he taught for 6 years at the Missouri University of Science and Technology and worked for 6 years as an engineer and consultant in San Francisco and Denver. His recent research has focused on analysis, prediction and mitigation design for debris flows, landslide dewatering and analysis, engineering geology pedagogy, and general geologic hazard analysis. He holds a bachelor’s degree in Geology and Physics from Duke University, an MS in Geology from Texas A&M and a Ph.D. in Geological Engineering from the Colorado School of Mines. He is a fellow of the Geological Society of America and has been the President of the Association of Environmental Engineering Geologists. He is currently the director of the Center for Mining Sustainability, which manages multiple research projects with a partner university in Peru.