The 2010 TIME 100 Poll

Cast your votes for the leaders, artists, innovators and icons who you think are the most influential people in the world. Though official voting for inclusion on the TIME 100 list has now closed, with Mir-Hossein Mousavi having won the honor, users can continue to vote for their favorites until the list is revealed on Thursday, April 29th

Arne Duncan

Duncan Arne

Brooks Kraft / Corbis for TIME

Age: 45
Occupation: U.S. Secretary of Education
Previous TIME 100 Appearances: 0

President Obama's Education Secretary, who has been given $100 billion to reshape public schools in America, has launched a major initiative to rework President George W. Bush's signature No Child Left Behind Act. Pushing for more school hours, better teacher training and more competition from charter schools, Duncan has the advantage of tapping into one of the few issues with bipartisan support in Washington.

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