Hillary Clinton

Hillary Clinton, author of the memoir "Hard Choices" (2014), served as U.S. Secretary of State from 2009 to 2013 under President Barack Obama. Prior to this appointment, she served for eight years in the U.S. Senate as a Democratic representative from New York. As first lady during President Bill Clinton's two terms in the White House, Clinton played an active role in health care reform. In 2008, she campaigned in a close Democratic presidential primary race against then-Senator Obama. Clinton is also part of the Clinton Foundation, which works to meet the challenges of global interdependence.