David is a lifelong mountaineer, cyclist, skier and passionate sailor. He also holds a commercial pilot license.
He earned a PhD in Astrophysics from the University of Cambridge , UK, and his postdoctoral research included the development of telescope applications. His international experience also includes medical training in Lebanon and Guatemala.
David graduated from Astronaut Candidate Training and since then he has been assigned to the Robotics Branch of the NASA Astronaut Office. Last year he served as ‘aquanaut’ during a NEEMO undersea exploration mission, and spent over 24 hours at the Aquarius underwater laboratory.