Bill Otto is a former Democratic member of the Missouri House of Representatives, representing District 70. He is a Navy veteran and retired air traffic controller. In 2016, Otto choose to run for the 2nd Congressional District seat rather than run for re-election on the state level. He ran a campaign with no primary opposition for the 2nd District Congressional seat and lost to Rep. Ann Wagner. In March 2017, Bill Otto was hired as the Executive Director of the St. Charles County Democratic Central Committee. In February 2018, Otto announced his run for the Missouri House District 65, located in St. Charles County; he lost to incumbent Tom Hannegan by less than two percent in November.