Muriel Elizabeth Bowser (born August 2, 1972) is an American politician serving as the eighth Mayor of the District of Columbia since 2015. A member of the Democratic Party, she previously represented Ward 4 as a member of the Council of the District of Columbia from 2007 to 2015. She is the second female Mayor of the District of Columbia after Sharon Pratt, and the first woman to be reelected to that position.