Todd is Professor Emeritus of Art and Humanities at the University of Montana where he taught from 1970 to 2000. He attended the Art Institute of Chicago, studying wood engraving under Adrian Troy. He continued his education at the University of Montana, receiving an MA in 1965 and an MFA in 1969. Todd is a member of the Association Jean Chieze in France, the Wood Engravers Network in the United States, the Society of Wood Engravers and the Royal Society of Painter-Printmakers in the United Kingdom. He currently lives in Missoula.