Jonathan Miller is a professor and chair in the Department of Geology at the College of Science. His research interests include understanding the behavior of volcanoes, how magma systems work, their subterranean magnetic underpinnings, as well as the interactions of tectonics and magmatism. He has worked in diverse areas of the Western United States on both ancient (Sierra Nevada, North Cascades, Mojave Desert) and active systems (Coso, Mono Craters). He holds a doctoral degree in geology from the University of North Carolina.