Parenti was born in Milan in 1895. He was non-commissioned officer during World War I. Then he became fascist in 1919 and participated in local squad militant. He served at local party and was the federal secretary of the Italian Fascist Party for Milan (federale of Milan) from 1933 to 1939. During this period, he succeeded in normalizing Milanese fascism and adapting it to the conditions of the national fascism. Parenti was the president of the Italian National Olympic Committee from 1939 to 1940. He was the first president elected according to the new rules.
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