Hillary Clinton is an American politician, diplomat, lawyer, and author who has played a significant role in U.S. public life for decades. She served as the First Lady of the United States from 1993 to 2001, U.S. Senator from New York from 2001 to 2009, and Secretary of State from 2009 to 2013 under President Barack Obama. Clinton was the Democratic Party's nominee for President in 2016, becoming the first woman to win a major party's nomination. Known for her advocacy on women's rights, healthcare reform, and international diplomacy, she remains a prominent figure in American politics and global affairs.