Born in 1939 in Matane, he studied education and psychology at the Université Laval in Quebec. He served in the Canadian Forces for 25 years attaining the rank of lieutenant colonel. After leaving the army he taught psychology at the Collège Sainte-Foy and pursued studies in the psychology of art, esthetics and colour. Influenced by painter Maurice LeBon and under the direction of Francesco Iacurto and Bruno Coté he started his painting career. Duberger painted outside, his subjects include rural regions of Quebec especially the Charlevoix region, streets of Quebec City and water front scenes. He participated to many exhibitions and his paintings are found in many corporate, public and private collections.