Jean Albert Kéchichian is a retired Engineering Specialist from The Aerospace Corporation. His career has included senior level engineering positions at NASA's Jet Propulsion Laboratory and at Ford Aerospace. His main areas of contribution are in spaceflight guidance and navigation. He is a Fellow of The American Astronautical Society, and his work has regularly appeared in Acta Astronautica, the Journal of Guidance Control and Dynamics, the Journal of the Astronautical Sciences, and the Journal of Spacecraft and Rockets. He holds Degrees in Aeronautical and Mechanical Engineering from l'Université de Liège, University of California, Berkeley, and a Ph.D. in Aeronautics and Astronautics from Stanford University.