Janet Napolitano (/nəpɒlɨˈtænoʊ/; born November 29, 1957) is an American politician, lawyer and university administrator. Napolitano is the first woman to serve as the United States Secretary of Homeland Security, in office since 2009. Napolitano, a member of the Democratic Party, serves in the administration of President Barack Obama. Previously, she was the 21st Governor of Arizona from 2003 to 2009. She was Arizona's third female governor, and the first woman to win re-election. Prior to her election as Governor, she served as Attorney General of Arizona from 1999 to 2002. She was the first woman and the 23rd person to serve in that office. Napolitano is the 1977 Truman Scholar from New Mexico.
Napolitano is the fourth person (including an acting Secretary) to serve as Secretary of Homeland Security, a post that was created after the 9/11 terrorist attacks. Forbes ranked her as the world's ninth most powerful woman in 2012. In 2008, she was cited by The New York Times to be among the women most likely to become the first female President of the United States. Napolitano announced she will leave her post at the end of August 2013 to become the first woman to be President of the University of California system.