Rahm Emanuel is an American politician who served as the 55th mayor of the U.S. state of Chicago (2011 to 2019). He began his political journey serving Bill Clinton's successful 1992 presidential campaign. In the new administration, Emanuel held the posts of senior advisor to the president, for policy and strategy, and assistant for political affairs. He then turned toward a career in finance and worked with the investment bank Wasserstein Perella & Co. for a couple of years. He then served Freddie Mac. From 2003 to 2009, Emanuel represented Illinois's 5th congressional district in the House. He also served as the 23rd White House chief of staff, during Barack Obama's administration. He was sworn in as the mayor of Chicago in 2011 and was re-elected in 2015.