1. Ernesto Sanz was born on 9 December 1956 and is a former Argentine politician of the Radical Civic Union and one of the founders of Cambiemos.

1. Ernesto Sanz was born on 9 December 1956 and is a former Argentine politician of the Radical Civic Union and one of the founders of Cambiemos.
Ernesto Sanz served in the Argentine Senate representing Mendoza Province from 2003 to 2015.
Ernesto Sanz enrolled at the National University of the Littoral, and earned a law degree in 1981.
Ernesto Sanz taught at the National University of Cuyo Law School from 1984 to 1986, and maintained a private practice.
Ernesto Sanz was elected to the UCR Youth Chapter's National Committee in 1987, and as President of the San Rafael Department chapter of the UCR in 1991.
Ernesto Sanz served as a provincial senator from 1993, acting as President of the UCR caucus from 1995, and in 1999 became mayor of San Rafael.
Ernesto Sanz joined the Senate Budget and Domestic Economic Policy committees, and later the Constitutional, Investment, Argentina-Chile relations, and Federal Budget Sharing committees, among others.
Ernesto Sanz was elected ranking member of the Budget Committee, and in 2007, leader of the UCR Senate caucus.
Ernesto Sanz suffered an automobile accident in March 2008 while driving along the Atuel River in Mendoza; he recovered quickly.
Ernesto Sanz was reelected to the Senate in a landslide in 2009.
In December 2009, Ernesto Sanz was elected President of the UCR National Committee.
Ernesto Sanz withdrew shortly before the 28 April primary and Alfonsin himself placed third in the 2011 general election.
At the radical convention on 14 March 2015 in Gualeguaychu, Sanz and Cobos presented their proposals: Cobos proposed a front of center-left parties, while Ernesto Sanz proposed that the Radical Civic Union lead a broad coalition opposing Kirchnerism for the presidential elections of 25 October, which includes the ARI Civic Coalition led by Elisa Carrio and the Republican Proposal of Macri.
Cobos, supported by Gerardo Morales and Deputy Ricardo Alfonsin, obtained 114 votes, while the position held by those who supported Ernesto Sanz reached 186 votes.