Catherine Cortez Masto is the junior United States senator from Nevada, having taken office on January 3, 2017. A member of the Democratic Party, she made history as the first Latina senator in U.S. history. Before her election to the Senate, Cortez Masto served as the Attorney General of Nevada from 2007 to 2015, where she focused on consumer protection and public safety issues. She has been an advocate for various policies, including healthcare access, immigration reform, and economic development in Nevada.