 Butt founded and remains a board member of Rosie the Riveter Trust (named for Rosie the Riveter), the non-profit partner of Rosie the Riveter/World War II Home Front National Historical Park located in Richmond.He won the Richmond mayoral election of 2014 and succeeded Gayle McLaughlin as mayor.He was sworn in by Lieutenant Governor Gavin Newsom on Tuesday, January 13, 2015.