Born on 19 November 1958 in Longeville-les-Metz, France Jean-François Clervoy considers Toulouse, France, to be his adopted hometown. He is married to Laurence Boulanger and they have two children. Jean-François enjoys racquet sports, skill games, canyoning and skiing. He also likes playing with boomerangs, frisbees and kites. His parents reside near Paris, France.
In 1991, he trained in Star City, Russia, on the Soyuz and Mir systems. In 1992, he joined the ESA astronaut corps at the European Astronaut Centre in Cologne, Germany. In August 1992 Jean-François was detached to the NASA Johnson Space Center in Houston, USA, to qualify as a Space Shuttle mission specialist.
Between spaceflights, Jean-François was assigned as flight software verification lead in the Shuttle Avionics Integration Laboratory and as robotics display design lead for the Space Shuttle and the International Space Station. After his third spaceflight, he was assigned as the International Space Station display integration lead in NASA’s Astronaut Office at the Johnson Space Center.