Steven Ernst Stivers ( STY-vərz; born March 24, 1965) is an American businessman and politician who was the U.S. representative for Ohio's 15th congressional district from 2011 until 2021. He is a member of the Republican Party, and became chair of the National Republican Congressional Committee in 2017. Stivers previously served in the Ohio Senate, representing the 15th district. He is a major general in the Ohio Army National Guard, serving as the Assistant Adjutant General, and served active duty in Iraq as a battalion commander until December 2005. On May 16, 2021, he resigned his seat to become the president and CEO of the Ohio Chamber of Commerce.