Janet Ann Napolitano (/nəpɒlɪˈtænoʊ/;[1] born November 29, 1957)[2] is an American politician, lawyer, and academic administrator. She served as president of the University of California from 2013 to 2020, on the faculty at the Goldman School of Public Policy at the University of California, Berkeley since 2015, the United States secretary of homeland security from 2009 to 2013 (during the administration of President Barack Obama), and the governor of Arizona from 2003 to 2009.[3][4]

Prior to her election as governor, she served as attorney general of Arizona from 1999 to 2003. She was the first woman and the 23rd person to serve in that office. Napolitano had earlier served as the United States attorney for the District of Arizona. She has been the first woman to serve in several offices, including attorney general of Arizona, secretary of homeland security, and president of the University of California.

Forbes ranked her as the world's ninth most powerful woman in 2012[5] and eighth most powerful woman in 2013. In 2008, she was listed by The New York Times as one of the women most likely to become the first female president of the United States.[6][7][8] Napolitano also sits on the bipartisan advisory board of States United Democracy Center.[9] She was elected to the American Philosophical Society in 2018.[10]