About
Sergey Vladilenovich Kiriyenko is a Russian politician currently serving as the First Deputy Chief of Staff of the Presidential Administration of Russia since 2016. He previously served as the Prime Minister of Russia under President Boris Yeltsin in 1998. Kiriyenko also headed the Rosatom nuclear energy company from 2005 to 2016. As a technocrat, he is deeply involved in the administration of Russian-occupied territories of Ukraine since the 2022 invasion.
Career Timeline
Appointed Prime Minister
Kirienko becomes Russia's Prime Minister at a young age but serves briefly.
Heads Rosatom
Kirienko takes charge of Russia's nuclear energy corporation, a significant role.
Oversees Nuclear Expansion
Kirienko manages Rosatom's expansion, increasing its global presence.
Deputy Chief of Staff
Kirienko becomes a key figure in the Presidential Administration.
Involvement in Ukraine Territories
Kirienko is involved in administering Russian-occupied territories of Ukraine.
Senior Government Official
Kirienko continues to serve as a top official in the Russian government.
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Last updated: February 25, 2026