Dr. Karletta Chief (Diné) is an Associate Professor & Extension Specialist in the Department of Environmental Science at the University of Arizona (UA). Her research focuses on unsaturated flow in arid environments and mining and climate change impacts on Indigenous communities. She received a B.S. and M.S. in Civil and Environmental Engineering from Stanford in 1998 and 2000, her Ph.D. in Hydrology from UA in 2007 and completed her post-doctorate at Desert Research Institute in NV. Dr. Chief was named 2011 American Indian Science and Engineering “Most Promising Scientist or Scholar” and 2015 Native American 40 under 40.