Peter Aloysius Müller (born 25 September 1955 in Illingen, Saar Protectorate) is a German politician belonging to the Christian Democratic Union (CDU). From 1999 to 2011, he has held the position of Premier (Ministerpräsident) of the state of Saarland, serving as President of the Bundesrat in 2008/09. In December 2011, Müller was elected as judge of German Bundesverfassungsgericht. Education and early career After sitting the Abitur (German final exams) in 1974 at the Realgymnasium in Lebach, Müller studied jurisprudence and politics in the Bonn and Saarbrücken. He sat for the two required State Examinations in Law, the first in 1983, and the second in 1986. From then until 1994, he served as a judge at the district court of Saarbrücken, as well as a research fellow for Saarland University. Political career Müller is a member of the CDU. In 1995, he was elected chairman of the CDU in Saarland. He was also part of the CDU's informal internal grouping, the "Jungen Wilden" (Young Turks), as well as of the "Andenpakt" (Andes Pact). Saarland Legislative Assembly, 1990–2011 From 1990, Müller was a Member of the Landtag of the Saarland. From 1994 through 1999, he was the chairman of the CDU parliamentary group in the assembly, making him the leader of the opposition against the governments of Ministers-President Oskar Lafontaine (1990-1998) and Reinhard Klimmt (1998-1999). In this capacity, he publicly spoke out against Angela Merkel and instead endorsed Edmund Stoiber as the party's candidate to challenge incumbent Chancellor Gerhard Schröder in the 2002 federal elections. On 17 August 2005 the then Chancellor-candidate Angela Merkel chose Müller to be a member of her shadow cabinet as a prospective minister of economics and trade. In the federal election of 2005, he obtained a federal party ticket in Saarland. He was part of the CDU/CSU team in the negotiations with the SPD on a coalition agreement, which paved the way to the formation of Chancellor Angela Merkel’s first government. However, on 26 November 2005 he decided not to take up his post as a Member of Parliament (Bundestag). He was succeeded by Hermann Scharf. Minister-President of Saarland, 1998–2011 After the CDU received 45.5% of the votes, a narrow majority government, he became Minister-President of Saarland. On 3 September 2004 the CDU was able to expand upon its advantage in the parliament elections. In 2009, he formed a so-called Jamaica coalition with the liberal FDP and