Dr. Reisman was selected by NASA as a mission specialist astronaut in 1998. His first mission was aboard the Space Shuttle Endeavour, in 2008, which dropped him off for a 95 day mission aboard the International Space Station after which he returned to Earth aboard the Space Shuttle Discovery. His second mission was aboard the Space Shuttle Atlantis,in 2010, and returned Dr. Reisman to the Space Station.

During these missions, Dr. Reisman performed 3 spacewalks, operated the Space Station Robot Arm and was a flight engineer aboard the Space Shuttle. After leaving NASA in 2011, Dr. Reisman joined SpaceX where he worked for Elon Musk and prepared SpaceX for human spaceflight as the Director of Space Operations. Currently he is a Professor of Astronautical Engineering at USC and a Senior Advisor at SpaceX.

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