Maria Cantwell

Maria Elaine Cantwell (born October 13, 1958) is the junior United States Senator from Washington, serving since 2001. She is a member of the Democratic Party.
Cantwell first served in the Washington House of Representatives from 1987 to 1993 and then in the United States House of Representatives from from 1993 to 1995, after which she worked as an executive for RealNetworks. She is Washington's second female senator, after Patty Murray. She serves as the Ranking Member on the United States Senate Committee on Energy and Natural Resources. 
While Democrats were in the majority, Cantwell served as Chairwoman of the Committee on Small Business and Entrepreneurship from 2014 to 2015 and Chairwoman of the Committee on Indian Affairs from 2013 to 2014. 
Upon the February 2017 resignation of Jeff Sessions, Cantwell became the most senior junior Senator.