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Nonetheless, in 1825 he was hired by the Ministry of Finance, and in the 1830s occupied responsible positions under Juan Álvarez Mendizábal. Shortly before the fall of the regent Maria Christina of the Two Sicilies, during the minority of Queen Isabella II, he was named Minister of Finance, serving from April to July 1840, at which time the Progressive general Baldomero Espartero became regent. Despite being removed as minister, he remained at the ministry, where he worked with the Progressive finance ministers Agustín Fernández Gamboa and Pedro Surrá y Rull and later with their Moderate Party successor Juan José García Carrasco Romero, as well as with colleagues Alejandro Mon y Menéndez and Pita Pizarro.