Mario Czaja

Mario Czaja MdB
Mario Czaja in 2013 as Senator
General Secretary of the Christian Democratic Union
In office 31 January 2022 – 12 July 2023
Leader	Friedrich Merz
Succeeded by	Carsten Linnemann (acting)
Deputy	Christina Stumpp
Preceded by	Paul Ziemiak
Senator for Health, Care and Equality of Berlin
In office 24 November 2011 – 8 December 2016
Governing Mayor	Klaus Wowereit Michael Müller
Preceded by	Katrin Lompscher
Succeeded by	Elke Breitenbach (Integration, Labour and Social Issues) Dilek Kalayci (Health, Nursing and Equality)
Senator for Justice and Consumer Protection of Berlin
Interim
In office 12 December 2011 – 12 January 2012
Governing Mayor	Klaus Wowereit
Preceded by	Michael Braun
Succeeded by	Thomas Heilmann
Parliamentary constituencies Member of the Bundestag for Berlin-Marzahn-Hellersdorf Incumbent Assumed office 26 October 2021 Preceded by Petra Pau Member of the Abgeordnetenhaus of Berlin In office 26 October 2006 – 4 November 2021 Preceded by Gregor Gysi (2002) Succeeded by Katharina Günther-Wünsch Constituency Marzahn-Hellersdorf 5 In office 29 November 2001 – 26 October 2006 Preceded by multi-member district Succeeded by multi-member district Constituency Marzahn-Hellersdorf In office 18 November 1999 – 29 November 2001 Preceded by Constituency established Succeeded by Gregor Gysi (Marzahn-Hellersdorf 5) Constituency Hellersdorf 01
Personal details
Born	(1975-09-21) 21 September 1975 (age 48) East Berlin, East Germany
Political party	Christian Democratic Union
Residence(s)	Marzahn-Hellersdorf, Berlin
Alma mater	Technical University of Applied Sciences Wildau
Website	mario-czaja.de

Mario Czaja (born 21 September 1975) is a German politician of the Christian Democratic Union (CDU) who has been serving as a member of the German Bundestag since the 2021 elections.

Czaja served as the party's Secretary General from 2022 to 2023, under the leadership of Friedrich Merz.^[1] From 2006 until 2021, he was a member of the State Parliament of Berlin.