What is Michael Müller (politician)?
{{Infobox officeholder | name = Michael Müller | office1 = [[President of the Bundesrat]] | image = 2017-11-16 Michael Müller (Wiki Loves Parliaments 2017 in Berlin) by Sandro Halank.jpg | chancellor1 = [[Angela Merkel]] | deputy1 = [[Malu Dreyer]] | predecessor1 = [[Malu Dreyer]] | president1 = [[Frank-Walter Steinmeier]] | successor1 = [[Daniel Günther]] | office2 = Leader of the [[Social Democratic Party of Germany|Social Democratic Party]] in [[Berlin]] | predecessor2 = Jan Stöß | office = [[Governing Mayor of Berlin]] | deputy = [[Frank Henkel]] <br /> [[Dilek Kolat]] <br /> [[Ramona Pop]] <br /> [[Klaus Lederer]] | predecessor = [[Klaus Wowereit]] | successor = [[Franziska Giffey]] | term_end = 21 December 2021 | birth_date = {{Birth date and age|1964|12|9|df=y}} | birth_place = [[West Berlin]], [[West Germany]] | death_date = | death_place = | nationality = German | spouse = | children = 2 | residence = [[Berlin]], [[Germany]] | alma_mater = | occupation = | website = | term_start1 = 1 November 2017 | term_end1 = 31 October 2018 | term_start = 11 December 2014 | term_start2 = 30 April 2016 | term_start3 = 7 April 2004 | term_end3 = 9 June 2012 | successor3 = Jan Stöß | predecessor3 = Peter Strieder | office4 = [[Senate of Berlin|Deputy Governing Mayor of Berlin]] | 1blankname4 = {{nowrap|Governing Mayor}} | 1namedata4 = [[Klaus Wowereit]] | predecessor4 = Ingeborg Junge-Reyer | successor4 = [[Dilek Kolat]] | term_start4 = 1 December 2011 | term_end4 = 11 December 2014 | office5 = [[Senate of Berlin|Senator for Urban Development and the Environment of Berlin]] | 1blankname5 = {{nowrap|Governing Mayor}} | 1namedata5 = [[Klaus Wowereit]] | predecessor5 = Ingeberg Junge-Royer <small>(Urban Development)</small><br /> [[Katrin Lompscher]] <small> (Environment)</small> | successor5 = [[Andreas Geisel]] | term_start5 = 1 December 2011 | term_end5 = 11 December 2014 | office6 = Leader of the [[Social Democratic Party of Germany|Social Democratic Party]] in the [[Berlin House of Representatives]] | term_sta