"Tó éí iiná áté - water is life. I help protect and manage water resources on the Navajo Nation; my work is vital to the sustainability of the largest land-based tribe in the U.S. and all the inhabitants.”

Dr. Tulley-Cordova is a Principal Hydrologist with the Navajo Nation Water Management Branch. She conducts watershed and ground water studies in collaboration with tribal, state, and federal agencies.