Michael Müller, the Governing Mayor of Berlin, was born in Berlin in 1964; he is married and has two children. He attended a specialized upper secondary school for business and admin-istration and completed a business apprenticeship in 1986. From 1986 to 2011, he worked as a self-employed printer. Michael Müller joined the Social Democratic Party (SPD) in 1981. He was elected a Member of the Berlin House of Representatives in 1996, a capacity in which he has been serving ever since. From 2001 to 2011, he chaired the SPD parliamentary group in the Berlin House of Rep-resentatives. In 2004, Michael Müller became chair of the SPD in the federal state of Berlin, a post that he held until 2012 and to which he was re-elected in 2016. In 2011, he was appointed Senator for Urban Development and the Environment. Michael Müller has been Governing Mayor of Berlin since 11 December 2014. In 2016, Mr. Müller also took on responsibility for the policy areas of higher education and research.