Geithner, Timothy F. (gĪtˈnər) [key], 1961–, U.S. government official, b. New York City, grad. Dartmouth (B.A. 1983), Johns Hopkins (M.A. 1985). In 1988 he began working at the Treasury Dept., where he held a variety of posts, eventually becoming assistant secretary (1997–98) and under secretary (1998–2001) for international affairs. In 2001 he joined the International Monetary Fund, and two years later he was appointed president of the Federal Reserve Bank of New York. Geithner played a key role in the federal government's response to the U.S. financial crisis that began in 2007, and under President Barack Obama served as secretary (2009–13) of the Treasury Dept. A centrist, he advocated nationalizing troubled banking institutions only as a last resort, focusing instead on using a "stress test" to determine which banks would be required to raise additional capital.
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