Jimmy Hoffa Agreement. He played a major role in the growth and development of the union, which eventually became the largest (by membership) in the United States with over 2.3 million members at its peak, during his terms as its leader. Hoffa became involved with organized crime from the early years of his Teamsters work, and this connection continued until his disappearance in 1975. He was convicted of jury tampering, attempted bribery and fraud in 1964, in two separate trials. He was imprisoned in 1967 and sentenced to 13 years. In mid-1971, he resigned as president of the union as part of
James P. Hoffa failure of a second version of the program in October 2011, and challenged it in federal court. In September 2010, President Obama appointed Hoffa to the Advisory Committee for Trade Policy and Negotiations. On September 5, 2011, he caused some controversy when introducing President Obama at a Labor Day rally in Detroit, Michigan. In his remarks, an animated Hoffa stated "We have to keep an eye on the battle we face—a war on workers. And you see it everywhere there is the Tea Party. And you know there is only one way to beat and win that war. The one