David Saint-Jacques OQ FRCGS (in Quebec: [davɪd sẽɪ̯̃nʒã(ŋ)k̚], French pronunciation: [david sɛ̃ʒak]; born January 6, 1970)[2] is a Canadian astronaut with the Canadian Space Agency (CSA). He is also an astrophysicist, engineer, and a physician.
In December 2018, he launched to the International Space Station, as Flight Engineer on Expeditions 57, 58 and 59; he returned to Earth on June 25, 2019.
Saint-Jacques was selected in May 2009 by the Canadian Space Agency (CSA) as one of two CSA astronaut positions, after a long process selection attended by 5,351 candidates, and moved to Houston to be one of 14 members of the 20th NASA astronaut class.[3][4] He then graduated from Astronaut Candidate Training that included scientific and technical briefings, intensive instruction in International Space Station systems, extravehicular activity (EVA), robotics, physiological training, T-38flight training, Russian language and water and wilderness survival training. Since graduation, he has been assigned to the Robotics Branch of the Astronaut Office.[3]