Néstor Carlos Kirchner ([ˈnestoɾ ˈkaɾlos ˈkiɾʃneɾ] ; 25 February 1950 – 27 October 2010) was an Argentine lawyer and politician who served as the president of Argentina from 2003 to 2007. A member of the Justicialist Party, he previously served as Governor of Santa Cruz Province from 1991 to 2003, and mayor of Río Gallegos from 1987 to 1991. He later served as first gentleman of Argentina during the early tenure of his wife, Cristina Fernández de Kirchner, the first person to serve in this role. Ideologically, he identified himself as a Peronist and a progressive, with his political approach called Kirchnerism.
Born in Río Gallegos, Santa Cruz, Kirchner studied law at the National University of La Plata. He met and married Cristina Fernández at this time, returned with her to Río Gallegos at graduation, and opened a law firm. Commentators have criticized him for a lack of legal activism during the Dirty War, an issue he would involve himself in as president. Kirchner ran for mayor of Río Gallegos in 1987 and for governor of Santa Cruz in 1991. He was reelected governor in 1995 and 1999 due to an amendment of the provincial constitution. Kirchner sided with Buenos Aires provincial governor Eduardo Duhalde against President Carlos Menem.