Who Is David Saint-Jacques? Age, Biography and Wiki
David Saint-Jacques, born on January 6, 1970, in La Malbaie, Quebec, is a renowned Canadian astronaut, physician, and astrophysicist. As of 2025, Saint-Jacques is 55 years old. He is celebrated not just for his significant contributions to space exploration but also for his public appearances and focus on science communication. With a remarkable education background, he possesses a PhD in astrophysics, and his diverse skills, combined with a passion for science, have elevated him to the status of a national icon in Canada.
| Occupation | Physicians |
|---|---|
| Date of Birth | January 6, 1970 |
| Age | 55 Years |
| Birth Place | Quebec City, Quebec, Canada |
| Horoscope | Capricorn |
| Country | Canada |
Popularity
David Saint-Jacques's Popularity over time
Height, Weight & Measurements
David Saint-Jacques stands at an impressive height of 6 feet (183 cm). While his weight fluctuates based on his training and missions, he generally maintains a fit physique for the demanding nature of his profession. As an astronaut, he is required to be in peak physical condition, and his body stats are reflective of his rigorous training regimen.
Family, Dating & Relationship Status
As of 2025, David Saint-Jacques is known to be happily married. His wife, whom he has often described as his inspiration, shares his passion for exploration and education. The couple has two children, and they often emphasize the importance of family in their lives. Saint-Jacques maintains a degree of privacy regarding his family life, but he frequently discusses the balance between his career as an astronaut and his responsibilities as a husband and father.
Net Worth and Salary
David Saint-Jacques has achieved an estimated net worth of around $3 million as of 2025. His salary as a Canadian astronaut, along with additional income from public speaking engagements and partnerships, contributes significantly to his wealth. Astronauts typically earn a competitive salary, and Saint-Jacques’s expertise and experience in the field have positioned him well financially.
Career, Business and Investments
Saint-Jacques’s career as an astronaut began when he was selected by the Canadian Space Agency (CSA) in 2009. He has participated in multiple space missions, contributing to significant research in microgravity environments. Beyond his space missions, he has also engaged in various scientific and educational outreach programs.
In addition to his work with CSA, David has invested in several science and technology startups focused on innovation in aerospace and health. His ventures showcase a commitment to advancing Canada’s position in the space and technology sectors.
His broad scientific background includes engineering, astrophysics and medical training, with international experience in France and Hungary for engineering study and Lebanon and Guatemala for medical study.
Saint-Jacques is affiliated with the Collège des médecins du Québec, the College of Family Physicians of Canada, Ordre des ingénieurs du Québec, International Society for Optical Engineering, and the Cambridge Philosophical Society as a Life Fellow.
Saint-Jacques began his career in 1996 as a biomedical engineer at the Quebec firm Electromed with secondment to Lariboisière Hospital, working on the design of radiological equipment for angiography and image analysis algorithms of cineangiography.
Social Network
David Saint-Jacques is active on social media platforms, where he engages with fans and shares his experiences as an astronaut. You can follow him on:
- Twitter: @AstroDavid
- Instagram: @DavidSaintJacques
Education
Saint-Jacques has an impressive educational background. He holds a Bachelor’s degree in Physics from the Université Laval in Quebec, a Master’s degree in Biomedical Engineering from the École Polytechnique de Montréal, and a PhD in Astrophysics from the Université de Sherbrooke. His extensive education in areas that blend science, engineering, and medicine has played a crucial role in his career as an astronaut and researcher.
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.
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-38 flight training, Russian language and water and wilderness survival training.
Since graduation, he has been assigned to the Robotics Branch of the Astronaut Office.
