James Riddle "Jimmy" Hoffa (born February 14, 1913 in Brazil, Indiana, disappeared July 30, 1975), was an American labor leader. As the president of the International Brotherhood of Teamsters from the mid-1950s to the mid-1960s, Hoffa wielded considerable influence. After he was convicted of attempted bribery of a grand juror, he served nearly a decade in prison. He is also well known in popular culture for the mysterious circumstances surrounding his unexplained disappearance and presumed death. His son James P. Hoffa is the current president of the Teamsters.