Dmitry Anatolyevich Medvedev (born September 14, 1965) is a Russian politician serving as deputy chairman of the Security Council of Russia since 2020.

Medvedev serves as president from 2008 to 2012 and as prime minister from 2012 to 2020. 

Medvedev, elected president in the 2008 election, had been regarded as more liberal than his predecessor, Vladimir Putin, who is also appointed prime minister during Medvedev's presidency.

Medvedev's top agenda as president is a wide-ranging modernization program, aiming at modernizing Russia's economy and society, and lessening the country's reliance on oil and gas.

During Medvedev's tenure, the New START nuclear arms reduction treaty is signed by Russia and the United States, Russia emerges victorious in the Russo-Georgian War, and recover from the Great Recession.

Medvedev also launches an anti-corruption campaign, despite later being accused of corruption himself.

He serves a single term in office and is succeeded by Putin following the 2012 presidential election.

Medvedev is next appointed by Putin as prime minister.

He resigns along with the rest of the government on January 15, 2020 to allow Putin to make sweeping constitutional changes; he is succeeded by Mikhail Mishustin on January 16, 2020.

On the same day, Putin appoints65 Medvedev to the new office of deputy chairman of the Security Council.