Janet Yellen during her confirmation hearing earlier this month. She's expected to win Senate approval to take over as head of the Federal Reserve. Brendan Smialowski /AFP/Getty Images hide caption

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Janet Yellen, President Obama's nominee to become the next chairman of the Federal Reserve Board, is sworn in Thursday on Capitol Hill for her confirmation hearing. Jacquelyn Martin/AP hide caption

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President Obama's nominee to lead the Federal Reserve, Janet Yellen, stands in the State Dining Room of the White House on Wednesday. If Yellen's nomination is confirmed by the Senate, she'll be the first woman to head the Federal Reserve System. Charles Dharapak/AP hide caption

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President Obama and House Speaker John Boehner sit together at a Capitol event in February dedicating a statue of civil rights icon Rosa Parks. J. Scott Applewhite/AP hide caption

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Federal Reserve Board Vice Chairman Janet Yellen is considered a top candidate to replace Ben Bernanke now that Lawrence Summers has withdrawn his name for contention for the Fed's top job. Robert Galbraith/Reuters/Landov hide caption

itoggle caption Robert Galbraith/Reuters/Landov

Janet Yellen, vice chairwoman of the Federal Reserve, is under consideration to become the first woman to lead the Fed. President Obama reportedly is likely to choose between Yellen and former Treasury Secretary Lawrence Summers. Franck Robichon/EPA/Landov hide caption

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