Dmitry Fyodorovich Mezentsev is a Russian politician and diplomat serving since 2021 as the State Secretary of the Union State of Russia and Belarus. Wikipedia
Born: 1959 (age 64 years), Saint Petersburg, Russia
Previous offices: Ambassador of Russia to Belarus (2019–2021), Senator of the Russian Federation (2015–2019), and Governor of Irkutsk Oblast (2009–2012)
Nationality: Russian
Education: Saint Petersburg State University (1998), St. Petersburg State Transport University (1981), and Школа № 509 (1976)
Party: United Russia