Contributor(s): Janet Napolitano | Janet Napolitano is the third Secretary of the US Department of Homeland Security. Prior to becoming Secretary, Napolitano was in her second term as Governor of Arizona and was recognized as a national leader on homeland security, border security and immigration. She was the first woman to chair the National Governors Association and was named one of the top five governors in the country by Time Magazine. Napolitano was also the first female Attorney General of Arizona and served as U.S. Attorney for the District of Arizona.