Berríos became president of the Independence Party PIP when he was thirty-one years old and has been president of it five times during fifty years. Under his leadership, the PIP adopted a democratic socialist program. Although he has had limited success at the voting booth regarding his candidacy for the post of Governor of Puerto Rico in 1976, 1980, 1988, 2000 and 2004 — losing every time to either the Popular Democratic Party (PPD) or the New Progressive Party (PNP) candidate — he, nevertheless, has enjoyed great electoral success regarding his candidacy to the Senate, receiving more votes than any other candidate in the Puerto Rican senatorial elections of 1972, 1984, 1992 and 1996.
Berríos became president of the Independence Party PIP when he was thirty-one years old and has been president of it five times during fifty years. Under his leadership, the PIP adopted a democratic socialist. program. Although he has had limited success at the voting booth regarding his candidacy for the post of Governor of Puerto Rico in 1976, 1980, 1988, 2000 and 2004 — losing every time to either the Popular Democratic Party (PPD) or the New Progressive Party (PNP) candidate — he, nevertheless, has enjoyed great electoral success regarding his candidacy to the Senate, receiving more votes than any other candidate in the Puerto Rican senatorial elections of 1972, 1984, 1992 and 1996