Guzmán Canoura was born in Purranque on 10 September 1924, the son of Isaac Guzmán and Rosa Inés Canoura.[1] He married in Viña del Mar in 1957.[1]
He studied at the Instituto Alemán de Osorno, later at the Military School, and then at the School of Architecture of the University of Chile.[1]
After the death of his father in 1945, he took charge of all family businesses and became the general agent of the Comunidad Sucesión Isaac Guzmán, formed by his mother and siblings. The community was member of the Agricultural Cooperatives of Purranque and Frutillar.[1] He operated the “San Luis” estate in Purranque, dedicated to general agriculture, flax and wheat cultivation, and livestock. The same farm housed a flax fiber processing plant. He also leased the “Bellavista” estate in Purranque, dedicated to crops and sheep farming.[1]
A member of the Agrarian Labor Party, he served as councillor (regidor) of the Municipality of Purranque in 1950.[1]
He was elected Deputy for the 23rd Departamental Group (Osorno and Río Negro) for the 1953–1957 term, serving on the Permanent Committee on Economy and Commerce.[1]
He was also member of the Sociedad Nacional de Agricultura (SNA).[1]