He was appointed as a test cosmonaut on July 5, 2005; however, on November 9, 2010, he was removed from flight status for medical reasons.
In 2012, he participated in the committee that selected the 2012 cosmonaut group and served as the deputy director of the 291st department of RSC Energia.
Subsequently, he was named deputy head of the Scientific and Technical Center in June 2018.
He is married to Yelena Serova, also a cosmonaut and current politician who is a former resident of the International Space Station.
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