 Christian Democrat Patricio Aylwin, the candidate of a coalition of 17 political parties called the "Concertación", received an absolute majority of votes (55%).President Aylwin served from 1990 to 1994, in what was considered a transition period.In December 1993, Christian Democrat Eduardo Frei Ruiz-Tagle, the son of previous president Eduardo Frei Montalva, led the Concertación coalition to victory with an absolute majority of votes (58%).