Dr Thomas Percy
Dr. Tom Percy serves as the Systems Engineering and Integration Manager for the Human Landing System Program at NASA’s Marshall Space Flight Center in Huntsville, Alabama. In this role, he is responsible for ensuring complex systems are designed, built, tested, and will operate together safely and effectively to meet NASA’s deep space exploration goals. He coordinates requirements, interfaces, documentation, and other data products and decision-making within the HLS Program, with NASA internal partners, and with commercial providers. Before joining the HLS Program in 2020, he served as the Mission Architect for Marshall’s Advanced Concepts Office.
The HLS Program has contracted with two commercial providers, SpaceX and Blue Origin, to provide landing services for the Artemis campaign to land astronauts on the Moon for the first time since the Apollo missions more than 50 years ago. The commercial providers are also working on variants of their landers that will deliver large cargo payloads to the lunar surface.
Dr. Percy began his career as a space systems analyst focusing on propulsion technology development and human spaceflight. In his time working at Marshall, he has been involved primarily in advanced in-space transportation, including advanced propulsion technology development, trajectory analysis, and spacecraft and mission concept development. His various roles have supported the evaluation of transportation architecture options for human deep space exploration including missions to land people on the Moon and Mars.
Dr. Percy holds a doctorate in aerospace systems engineering from the University of Alabama in Huntsville, a master’s degree in aerospace engineering from the Georgia Institute of Technology, and a bachelor’s degree in mechanical engineering from the Rochester Institute of Technology. He is the recipient of many NASA awards over the course of his career.
Sessions
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Artemis: Human Lunar Return29-Jan-2026W331A