Hoffa had served nearly 58 months (just over one-third of his original sentence). Sylvester Stallone portrays Johnny Kovak a character based on Hoffa. At the 1952 IBT convention in Los Angeles he was selected as national vice-president by incoming president Dave Beck successor to Daniel J.
By 1952 Hoffa had risen to national vice-president of the IBT and served as the union's General President between 1958 and 1971. James Riddle "Jimmy" Hoffa (born February 14 1913 – disappeared July 30 1975 declared legally dead July 30 1982) was an American labor union leader. Nixon blocked Hoffa from union activities until 1980 (which would have been the end of his prison term had he served the full sentence).