Dmitry Mezentsev

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Dmitry Mezentsev
Дмитрий Мезенцев
Mezentsev in 2018
Presidential Plenipotentiary Representative in the Constitutional Court
Incumbent
Assumed office 17 April 2025
President	Vladimir Putin
Preceded by	Aleksandr Konovalov
General Secretary of the Union State of Russia and Belarus
In office 19 March 2021 – 17 April 2025
Preceded by	Grigory Rapota
Succeeded by	Sergey Glazyev
Ambassador of Russia to Belarus
In office 30 April 2019 – 19 March 2021
Preceded by	Mikhail Babich
Succeeded by	Yevgeny Lukyanov [ru]
Russian Federation Senator from Sakhalin Oblast
In office 31 December 2015 – 30 April 2019
Preceded by	Zhanna Ivanova
Succeeded by	Grigory Karasin
Secretary-General of the Shanghai Cooperation Organisation
In office 1 January 2013 – 31 December 2015
Preceded by	Muratbek Imanaliyev
Succeeded by	Rashid Alimov
5th Governor of Irkutsk Oblast
In office 8 June 2009 – 18 May 2012
Preceded by	Igor Yesipovsky
Succeeded by	Sergey Yeroshchenko
Personal details
Born	(1959-08-18) 18 August 1959 (age 65) Leningrad, Russian Soviet Federative Socialist Republic, Soviet Union
Political party	United Russia

Dmitry Fyodorovich Mezentsev (Russian: Дми́трий Фёдорович Ме́зенцев; born 18 August 1959)^[1] is a Russian politician and diplomat serving as the Presidential Plenipotentiary Representative in the Constitutional Court of Russia since 2025 and the State Secretary of the Union State of Russia and Belarus since 2021. Previously he was Ambassador of Russia to Belarus (2019–2021), Senator from Sakhalin Oblast (2015–2019), Secretary-General of the Shanghai Cooperation Organisation (2013–2015) and Governor of Irkutsk Oblast (2009–2012).^[2][3]

In 2012 Mezentsev ran for President of Russia, but was rejected by the Central Election Commission.^[4]