Matteo Renzi; born January 11, 1975) is an Italian politician who serves as the Prime Minister of Italy from February 2014 until December 2016.

He has been an Italian Senator for Florence since 2018.

After serving as the President of the Province of Florence from 2004 to 2009 and the Mayor of Florence from 2009 to 2014, Renzi is elected Secretary of the Democratic Party, holding this role from 2013 to 2018, with a brief interruption in 2017.

He resigns as Party Secretary following defeat in the 2018 election.

In September 2019, he leaves the PD, founding Italia Viva, his own liberal movement.

At the age of thirty-nine years and forty-two days upon assuming office, Renzi is the youngest person to have served as Italian Prime Minister (fifty-two days younger than Benito Mussolini, who took office in 1922) and is at the time the youngest leader in the G7.

He is also the first serving Mayor to become Prime Minister.

Renzi is sometimes described as the de facto leader of the Party of European Socialists, in opposition to the European People's Party associated with Angela Merkel; the two leaders are together often referred to as Merkenzi.[

In 2014, the American magazine Fortune ranks Renzi as the third most influential person under fifty in the world, and Foreign Policy lists him as one of the Top 100 Global Thinkers.

Moreover, Renzi is nicknamed il Rottamatore (the Scrapper) due to his ambition of renovating the Italian political establishment.

After the rejection of his constitutional reform in the December 2016 referendum, Renzi formally resigns as Prime Minister on December 12; his Foreign Minister, Paolo Gentiloni, is appointed his replacement.

Renzi has been described as a centrist and as a liberal by political observers.

While in power, Renzi's government implemented numerous reforms, including changes to the electoral system, a relaxation of labour and employment laws with the intention of boosting economic growth, a thorough reformation of the public administration, the simplification of civil trials, the introduction of same-sex civil unions and the abolition of many small taxes.