Todd has over 29 years of experience in astrodynamics and space navigation. Since 1999 he has been at the Jet Propulsion Laboratory developing and implementing navigation systems and architectures for many projects - big and small - including the NASA’s Mars Network, the former Constellation Program and Altair lunar lander. His research focuses on new navigation methods, adaptive navigation, nonlinear dynamics, and mean element theory.
Todd is currently the principal investigator for NASA’s Deep Space Atomic Clock mission being developed to advance our capabilities to navigate effectively in deep space.
He is a graduate of Purdue University and is a former Air Force Officer.