Mariusz Błaszczak

Mariusz Błaszczak
Official portrait, 2015
Deputy Prime Minister of Poland
In office
22 June 2022 – 21 June 2023
Serving with Henryk Kowalczyk
Prime MinisterMateusz Morawiecki
Preceded byJarosław Kaczyński
Succeeded byJarosław Kaczyński
Minister of National Defence
In office
9 January 2018 – 13 December 2023
Prime MinisterMateusz Morawiecki
Preceded byAntoni Macierewicz
Succeeded byWładysław Kosiniak-Kamysz
Minister of the Interior and Administration
In office
16 November 2015 – 9 January 2018
Prime Minister
Preceded by
Succeeded byJoachim Brudziński
Parliamentary leader of Law and Justice
Assumed office
13 November 2023
In office
3 August 2010 – 11 November 2015
Member of the Sejm
Assumed office
5 November 2007
ConstituencyNo. 20 (Warsaw II)
Minister without portfolio
In office
27 March 2007 – 16 November 2007
Prime MinisterJarosław Kaczyński
Chief of the Prime Minister's Chancellery
In office
31 October 2005 – 16 November 2007
Prime Minister
DeputyPiotr Tutak
Preceded bySławomir Cytrycki
Succeeded byTomasz Arabski
Personal details
Born (1969-09-19) 19 September 1969
Legionowo, Poland
PartyLaw and Justice
Alma materUniversity of Warsaw
Signature
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Mariusz Błaszczak (born 19 September 1969) is a Polish politician, historian, civil servant, and local government representative. A prominent member of the Law and Justice party, he has served continuously as a member of the Sejm since 2007 and held various government positions during the party's terms in power, from 2005 to 2007 and again from 2015 to 2023.

Błaszczak was Minister of National Defence from 2018 to 2023 and Minister of the Interior and Administration from 2015 to 2018. He also served as Deputy Prime Minister between 2022 and 2023. In the earlier Law and Justice government, he was Chief of the Prime Minister's Chancellery from 2005 to 2007 and briefly minister without portfolio in 2007. He has served as parliamentary leader of Law and Justice since 2023, having previously held the role from 2010 to 2015.