Marino, 55, married and with two children, began his political activity in 1983 and served in those years as a member of the Bureau and chairman of the Committee of his town, Miguel Riglos; delegate to the Honorary Province Convention; vice president of the Provincial Committee and delegation from La Pampa to the National Committee.
In 1991 he came to the public service. At the age of 28 he became a councilor, after winning the list leading the elections for the City Council of his town.
In 1995, he was elected mayor with 53% of the votes and in 1999 he was re-elected with 74 percent. That post occupied him until December 10, 2003, when he took up office as a senator. Banks renewed in 2009 and 2015.
In addition, in 2007 and in 2011, he was a candidate for La Pampa governor for the Frepam (Civic and Social Pampean Front, which forms a Radical Civic Union, Socialist Party, Fregen and other parties).
In the upper house He was secretary of the UCR block and served as vice president of Parliament.