Sergey Teteryatnikov
in space now — day 22
Russian Federal Space Agency (ROSCOSMOS) · RU · Active
Born 19 December 1988 (aged 37)
Time in space: 22 days
Sergey Teteryatnikov graduated from the Naval Academy, St. Petersburg, Russia, in 2011 as an engineer specializing in ship power plant operations. Before his selection as a test cosmonaut, Teteryatnikov served in various naval engineering roles, including undersea vessels and specialized engine room operations. He was selected for the Gagarin Research and Test Cosmonaut Training Center Cosmonaut Corps in 2021 and has served as a test cosmonaut since 2023.
