Lyda Krewson (born January 13, 1953) is an American Democratic politician who is the 46th and current Mayor of St. Louis, Missouri. Between 1997 and 2017, she served as the alderman of St. Louis's 28th ward. She is the first female mayor of St. Louis.In 2017 Krewson won the St. Louis mayoral election, winning the March 7 Democratic primary against Tishaura Jones, Lewis Reed, Antonio French, and others. She won the general election on April 4, and took office on April 18.After graduating from Truman State University with a degree in education, Krewson moved to St. Louis where she earned an accounting degree at the University of Missouri, St. Louis. Wikipedia