Kirt Kempter is a field geologist and teacher based in Santa Fe, New Mexico. A Fulbright Fellow, Kirt has led many geologic expeditions to Bryce, Zion, and Grand Canyon National Parks, and has published numerous maps and articles on the geology of the American Southwest. He frequently travels to and lectures on other national parks, including Yellowstone, Grand Teton, and Glacier National Parks, as well as the national parks of the Canadian Rockies. He has conducted fieldwork on a National Geographic-funded project, as well as studies of plate tectonics and volcanism around the world, including Iceland, Costa Rica, and Mexico. He received his Ph.D. in geology from the University of Texas.