Ion-Marcel Ciolacu

Ion-Marcel Ciolacu (born 28 November 1967) is a Romanian politician and Prime Minister of Romania from 15 June 2023 until 6 May 2025. He was the President of the Chamber of Deputies of the Parliament of Romania and was the leader of the Social Democratic Party.

Marcel Ciolacu
Ciolacu in 2023
President of the Buzău Country Council
Incumbent
Assumed office 19 December 2025
Preceded by	Petre Emanoil Neagu
Prime Minister of Romania
In office 15 June 2023 – 6 May 2025
President	Klaus Iohannis Ilie Bolojan (acting)
Preceded by	Nicolae Ciucă
Succeeded by	Ilie Bolojan
President of the Chamber of Deputies
In office 23 November 2021 – 15 June 2023
President	Klaus Iohannis
Preceded by	Sorin Grindeanu (acting)
Succeeded by	Alfred Simonis (acting)
In office 27 May 2019 – 19 December 2020
Preceded by	Liviu Dragnea
Succeeded by	Ludovic Orban
Leader of the Social Democratic Party
In office 26 November 2019 – 25 November 2024
Preceded by	Viorica Dăncilă
Succeeded by	Victor Negrescu (acting)
Deputy Prime Minister of Romania
In office 29 June 2017 – 29 January 2018
President	Klaus Iohannis
Prime Minister	Mihai Tudose Mihai Fifor (acting)
Preceded by	Augustin Jianu
Succeeded by	Viorel Ștefan
Member of the Chamber of Deputies
In office 19 December 2012 – 18 December 2025
Constituency	Buzău County
Personal details
Born	Ion-Marcel Ciolacu 28 November 1967 (aged 58) Buzău, Romania
Political party	Social Democratic Party
Spouse(s)	Roxana Ciolacu
Alma mater	Ecological University of Bucharest