Former Vice Chair, Senate Republican Conference, United States Senate

Former Acting Majority Leader, United States House of Representatives

Former Minority Whip, United States House of Representatives

Former Majority Whip, United States House of Representatives

Chair, Republican Policy Committee, United States Senate, 2019-2023

Senator, United States Senate, 2011-2023

Representative, United States House of Representatives, District 7, 1996-2010

Candidate, Governor of Missouri, 1992

Secretary of State, State of Missouri, 1985-1992

Candidate, Lieutenant Governor of Missouri, 1980

Former Chair, Aviation Operations, Safety, and Security Subcommittee, United States Senate

Former Chair, Committee on Rules and Administration, United States Senate

Former Member, Consumer Protection, Product Safety, Insurance, and Data Security Subcommittee, United States Senate

Former Member, Federal Election Commission Advisory Panel

Former Chair, Greene County Historic Sites Board

Former Co-Chair, House Education Caucus

Former Chair, Joint Committee on Printing, United States Senate

Former Chair, Joint Committee on the Library, United States Congress

Former Member, National Republican Congressional Committee

Former Member, Republican Steering Committee

Former Member, Subcommittee on Aviation and Space, United States Senate

Former Member, Subcommittee on Communications, Technology, Innovation and the Internet, United States Senate

Former Chair, Subcommittee on Labor, Health and Human Services, Education, and Related Agencies, United States Senate

Former Member, Subcommittee on Security, United States Senate

Former Member, Subcommittee on Transportation and Safety, United States Senate

Former Member, Surface Transportation and Merchant Marine Infrastructure, Safety and Security Subcommittee, United States Senate

Former High School History Teacher, Greene County, Missouri

Former Chief Education Officer, Greene County, Missouri

President, Southwest Baptist University, 1993-1996

Clerk, Greene County, 1972-1984

Member, Kennedy Center Board of Trustees, present

Member, Smithsonian Council for American Art, present

Trustee, State Historical Society of Missouri, present

Former Chief Election Officer, Greene County, Missouri

Former Chair, National Voters Education Project

Founder, Springfield-Greene County Historic Preservation Society

Astrological Sign:

Capricorn

Names of Grandchildren:

Davis, Ben, Branch, Eva, Allyson, Brooks

Number of Grandchildren:

6