He is a Virginia native. He earned a bachelor's degree in mechanical engineering from the U.S. Coast Guard Academy, a master's degree in mechanical engineering from the University of Michigan, a master's degree in naval architecture and marine engineering from the University of Michigan, a master's degree in electrical and computer engineering from Johns Hopkins University, and a doctorate in systems engineering from the George Washington University. Douglas served in the U.S. Coast Guard as a naval architect, salvage engineer, damage control assistant, and officer of the deck. He most recently was a senior staff member at the Johns Hopkins University Applied Physics Lab, working on maritime robotics, planetary defense, and space exploration missions for NASA.