Barack Hussein Obama II is the 44th and current President of the United States.He is the first African American to hold the office.Originally from Hawaii, Obama is a graduate of Columbia University and Harvard Law School, where he was the president of the Harvard Law Review.He was a community organiser in Chicago before earning his law degree.He worked as a civil rights attorney in Chicago and taught constitutional law at the University of Chicago Law School from 1992 to 2004.