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Timothy F. Geithner succeeded Henry Paulson as the 75th Secretary of the Treasury of the United States. He served in this role from January 20, 2009, to January 25, 2013. Geithner was a key figure in the U.S. government's response to the 2008 financial crisis. He was also responsible for overseeing the implementation of the Dodd-Frank Wall Street Reform and Consumer Protection Act.