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Justice Coordinator State Lawyer.
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Chief State Lawyer of León (1999-2000).
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State Lawyer before the High Court of Justice in Madrid (2004).
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Advisor to the Cabinet of the First Vice-President of the Government in the Ministry of the Presidency and the Ministry of Home Affairs (2000-2003).
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Associate professor of Administrative Law at the Carlos III University of Madrid (2002-2003).
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Member of Parliament for Madrid and Deputy Spokesperson of the Constitutional Commission (8th Legislature).
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Rapporteur in the reforms of the Statutes of Autonomy of Catalonia, Andalusia, the Balearic Islands, the Canary Islands, Aragon, and Castile and Leon.
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Executive Secretary for Regional and Local Policy (2004-2008).
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Coordinator of the 27 May 2007 Regional and Municipal Elections Framework Programme.
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Spokesperson for the Popular Parliamentary Group (9th Legislature).