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

Barack Obama

Barack Obama

Kevin Lamarque / Reuters

Age: 48
Occupation: President of the United States
Previous TIME 100 Appearances: 4

President Obama's first year in the Oval Office was rocky, as he struggled to fight two wars, right a listing economy and enact an ambitious domestic agenda. But by winning a bitter partisan battle over health care, he became the first Democratic President in 40 years to enact a historic piece of social welfare legislation — an achievement that bolsters his presidency as he braces for the coming fight over financial re-regulation.

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