What jobs did Barack Obama have before president of us?

Barack Obama graduated from Columbia University in 1983 and worked for two years in New York City for business consulting firms. He moved to Chicago in 1985 as director of a church-based group seeking to improve living conditions in poor neighborhoods. While there, he was a community organizer and advocate. In 1991, Mr. Obama graduated from Harvard Law School and returned to Chicago where he joined a law firm specializing in civil rights cases. He also worked as an adjunct lecturer for the University of Chicago Law School. In 1996, he ran for the Illinois state senate and was elected and then re-elected; he served eight years and then became a US Senator from Illinois in 2004. He also was the author of two best-selling books.