- Sergey Aleksandrovich Volkov
Sergey Aleksandrovich Volkov

Photo credit: Unknown
Date of Birth: 4/1/1973
Status: Retired
Nationality: Russia
Agency: Russian Federal Space Agency (ROSCOSMOS) (RFSA)
Biography
Sergey Aleksandrovich Volkov is a retired Russian cosmonaut and engineer. He was a member of three missions to the International Space Station, spending more than a year in total in space. During his missions he did four spacewalks lasting more than 23 hours in total. Volkov retired from the Cosmonaut group in February 2017.
Space Experience
Time in Space: 547 days, 22 hours, 20 minutes, and 53 seconds
Number of Flights: 3
Number of Landings: 3
Number of Spacewalks: 4
EVA Time: 23 hours and 20 minutes
First Flight: 4/8/2008
Last Flight: 9/2/2015