Daiki is a master’s student in the System Design and Management (SDM) program, focusing on spacecraft refueling architecture for his thesis. He also works as a Research Assistant in technology roadmapping. He holds a Ph.D. in Aeronautics and Astronautics from the University of Tokyo. Prior to MIT, Daiki worked for seven years as a Rocket Propulsion Systems Engineer at the Japan Aerospace Exploration Agency (JAXA), where he contributed to the development of the second-stage engine of Japan’s flagship H3 rocket and the propulsion system for CALLISTO, a reusable first-stage demonstrator.