Barack Hussein Obama Born in Honolulu, United States, August 4 of 19621), known as Barack Obama, is the forty-fourth and current President of the United States. He was Senator for the State of Illinois, it is also the fifth lawmaker in the Senate of the United States, also was the first African American candidate nominated for the Presidency by the Democratic Party and is the first to occupy the Presidential post. Graduated at Columbia University in the prestigious school of law Harvard law School, where he was President of the Harvard Law Review law review. Subsequently, he worked as a community organizer and practiced his career as an attorney in civil rights, he was Professor of constitutional law at the Faculty of law of the University of Chicago.

On February 10, 2007 he announced his candidacy for the Presidency of the United States and on June 3, 2008 he became the candidate of the Democratic Party. In the presidential election of November 4, 2008, became President-elect after beating Republican John McCain, presidential candidate, taking possession of its functions as the 44th President on January 20, 2009. On 9 October of that year was awarded the prize Nobel of peace by its diplomatic efforts for nuclear disarmament, achieving a Middle East peace process and the promotion of the fight against climate change.

In international politics, he ended the war in Iraq, increased the presence of American troops in Afghanistan, he signed the new START III arms control treaty with Russia, he ordered the U.S. military intervention in the Libyan conflict. On May 1, 2011 announced to the media that a group of special forces of the U.S. Navy (members of the Navy SEALS DEVGRU) had killed the terrorist Osama bin Ladenen Pakistan. On April 4, 2011 announced the start of its campaign for the 2012 presidential re-election and on November 6 was re-elected to occupy the post for a period of four years, after defeating the Republican candidate Mitt Romney.