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Barack Hussein Obama is the forty-fourth and current President of the United States. He is the first African American to hold the office. Obama was the junior United States Senator from Illinois from 2005 until he resigned following his election to the presidency. He was inaugurated as President on January 20, 2009.

Obama is a graduate of Columbia University and Harvard Law School, where he was the first African American president of the Harvard Law Review. He worked as a community organizer in Chicago prior to earning his law degree, and practiced as a civil rights attorney in Chicago before serving three terms in the Illinois Senate from 1997 to 2004. He also taught Constitutional Law at the University of Chicago Law School from 1992 to 2004. Following an unsuccessful bid for a seat in the U.S. House of Representatives in 2000, Obama was elected to the Senate in November 2004. Obama delivered the keynote address at the Democratic National Convention in July 2004.

As a member of the Democratic minority in the 109th Congress, Obama helped create legislation to control conventional weapons and to promote greater public accountability in the use of federal funds. He also made official trips to Eastern Europe, the Middle East, and Africa. During the 110th Congress, he helped create legislation regarding lobbying and electoral fraud, climate change, nuclear terrorism, and care for U.S. military personnel returning from combat assignments in Iraq and Afghanistan.