Barack Obama was president of the Harvard Law Review journal before becoming president.
Many different Presidents had done their own things before they became President. Please specify the president. If speaking of the current US President Barack Obama, he was a senator from Illinois before he became the President. If speaking of Nelson Mandela from South Africa, he was a political prisoner in jail before he became the President. If speaking of Paul Biya in Cameroon, he was the Prime Minister before he became the President.
In the US Senate.
Hawaii and Illinois
The previous president was George W. Bush.
Before he became president, Barack Obama lived with his family in Chicago, which is in the state of Illinois. After he became president, he and his family moved to the White House in Washington D.C.
Before he became president, he was a US Senator from Illinois.
This question is much too vague, and doesn't specify which president. If speaking of the current president Barack Obama, he was a senator from Illinois before he became President.
Barack Obama is the current president of the United States. Before he became president, he was a senator. Before that, he was both a state senator in Illinois, and a professor of law at the University of Chicago Law School.
Before being elected as President of the United States, Barack Obama was the junior Senator for the State of Illinois.
Vice- President Joseph Biden was a US Senator from Delaware before he became the Veep.
Joe Biden has never been president. He was a senator before he became vice-president.
Barack Obama lived in Illinois before becoming president. He first became a senator of Illinois before president of the US.