From Wikipedia, the free encyclopedia. Cristina Elisabet Fernández de Kirchner (born 19 February 1953), commonly known as Cristina Fernández or Cristina Kirchner, is the 55th and current President of Argentina and the widow of former President Néstor Kirchner. She is Argentina's first elected female President, and the second female President ever to serve (after Isabel Martínez de Perón, 1974–1976). A Justicialist, Fernández served one term as National Deputy and three terms as National Senator ...