Todd combines a research background in physics and astronomy with experience teaching science concepts to a wide range of audiences. He holds a Ph.D. in astrophysics from the University of Chicago and physics degrees from Cambridge University and the University of Illinois. Todd has taught interdisciplinary science courses ranging from elementary school to graduate level, and is currently on the physics faculty at Pacific University, president of the non-profit Science Integration Institute, and adjunct faculty in the Center for Science Education at Portland State University.