Bloomberg Markets' 50 Most Influential

By Bloomberg Markets - 2012-09-05T07:58:26Z

Photograph by Andrew Harrer/Bloomberg

Company Symbol % Change
25 of 55

Timothy F. Geithner

Secretary, U.S. Treasury.

Regardless of who wins the presidential race, Geithner, 51, plans to step down. Yet he still has the power to be a thorn in the side of leaders in Europe, pushing them to act more decisively to strengthen the currency union.