Political Career Originally linked to the conservative Liberal-Democratic Center Union (Uceda), where he worked with the alderman of the San Martin Alexander Keck, then went through the ranks of the Peronist Party as the majority of the members of his former grouping. In that game, began working for the union territorially Gourmet Luis Barrionuevo. After a short stay by the Secretariat for Youth, Ministry of Interior, was advisor to the Ministry of Social Development under the management of Ramon “Palito” Ortega. Subsequently he was elected provincial deputy for Buenos Aires. In the presidential headless interlude that followed the resignation of the President of Argentina Fernando de la Rua, was appointed Executive Director ANSeS the Acting President Eduardo Duhalde. Sergio Massa (when it still served as Executive Dir ANSES ), for a formal announcement alongside former President N stor Kirchner.In 2005 he was elected national deputy, but resigned his seat to continue to lead ANSES at the request of then President N stor Kirchner. He reorganized and managed to improve the efficiency of the social security system incorporating modern management means. Citation needed On December 10, 2007 took over as mayor of Tigre, the result of having been elected in the October election that year. Following the resignation of the Chief of Cabinet Alberto .Fernandez on 23 July 2008, because of the crisis triggered by the setback it acquired in the Senate bill relating to resolution 125 on mobile retentions agricultural exports, is appointed by the President’s Office to fill the vacancy. On 7 July 2009 was replaced by the Chief of Staff An bal Fern ndez. In 2009 he joined the list as a candidate for the Chamber of Deputies of Argentina for the legislative elections of that year shortly after obtaining bank waiving, being called as witness his candidacy.