Todd Leahy was appointed Deputy Secretary of Energy, Minerals, and Natural Resources in January 2019. Prior to that appointment, he served at the New Mexico Wildlife Federation in a number of capacities including Acting Executive Director. Before joining the Federation he served in the General Counsel's Office at the Missouri Department of Natural Resources. He holds a Juris Doctorate in Land Use and Environmental Law from the University of Missouri and a PhD in History of the American West from Oklahoma State University. He has written three books They Called it Madness: The Canton Asylum for Insane Indians, The Historical Dictionary of Native American Movements, and The A to Z of Native American Movements.

He serves as the Tribal Liaison for the Department.