Maria Elaine Cantwell (born October 13, 1958) is the junior United States Senator from Washington, first elected in 2000. A Democrat, she previously served in the Washington House of Representatives from 1987 to 1993 and the United States House of Representatives from Washington's 1st congressional district from 1993 to 1995, after which she worked as an executive for RealNetworks. She is Washington's second female senator, after Patty Murray.
Cantwell is the ranking member on the United States Senate Committee on Energy and Natural Resources. While Democrats were in the majority, she was Chair of the Committee on Small Business and Entrepreneurship from 2014 to 2015 and of the Committee on Indian Affairs from 2013 to 2014.
Upon the February 2017 resignation of Jeff Sessions to become United States Attorney General, Cantwell became the most senior junior Senator. Wikipedia