Mark Matthiesen is a Republican state representative who has represented Missouri House of Representatives District 107 since January 2023 and is seeking re-election in the November 3, 2026 general election. A real estate agent with a hospitality-industry background, he lives in O'Fallon, Missouri.[1][2]
Matthiesen was born in Fayetteville, Arkansas, lives in O'Fallon, Missouri, and graduated from Washington High School in 1994.[1]He earned an associate degree in accounting from Florida State College at Jacksonville in 1999 and a bachelor's degree in hospitality management from Southwest Missouri State University in 2005.[1]His career experience includes working as a licensed real estate agent at Coldwell Banker and Realty ONE Group, regional manager of the Qdoba Restaurant Corporation, general manager of McAlister's Deli, floor supervisor at the Ameristar Casino Resort, and chief financial officer at STL Regional Development Group.[1]
Matthiesen took office on January 4, 2023.[1]For the 2025-2026 session, he was assigned to the Consent and House Procedure Committee, the House General Laws Committee, the House Ways and Means Committee, and the Insurance Committee, where he was vice chair.[1]In a 2022 Ballotpedia survey, Matthiesen described himself as a Christian, husband and father who had been a leader in the hospitality industry for over 20 years, and said he was passionate about education.[3]
Their recorded votes on bills that divided the chamber (unanimous votes left out), grouped by topic. A bill can sit under more than one topic. "With" and "against" compare each vote with how most Republicans voted. How topics are assigned
›Jobs & cost of living159 with · 99 against259 votes
Appropriates money for the expenses, grants, refunds, and distributions of the Department of Mental Health, the Department of Health and Senior Services, and the Missouri Health Facilities Review Committee
Mar 24, 2026 · Failed 60–74 · with most RepublicansOfficial record ↗
Submits to voters an amendment creating the Show-Me Prosperity Fund, invested in S&P 500 index funds. Once its earnings can replace the revenue, appropriations capped at 3% of its five-year average value may be used solely to eliminate state income, sales, corporate and other taxes.
May 15, 2026 · Passed 85–56 · with most RepublicansOfficial record ↗
Moves school board elections in districts mostly in counties of 400,000 to 500,000 people to November of even-numbered years from 2028 with four-year terms, lets candidates choose to list a party, and puts school tax and bond proposals on those ballots.
May 15, 2026 · Failed 57–79 · with most RepublicansOfficial record ↗
Moves school board elections in districts mostly in counties of 400,000 to 500,000 people to November of even-numbered years from 2028 with four-year terms, lets candidates choose to list a party, and puts school tax and bond proposals on those ballots.
May 15, 2026 · Failed 57–79 · with most RepublicansOfficial record ↗
Appropriates money for the expenses, grants, refunds, and distributions of the Department of Mental Health, the Department of Health and Senior Services, and the Missouri Health Facilities Review Committee
Mar 24, 2026 · Failed 60–74 · with most RepublicansOfficial record ↗
On the version voted May 15, 2026: Raises the uniform speed limit on rural interstates and freeways from 70 to 75 miles per hour and raises the maximum limit the state may set on state roads to 75.
Apr 30, 2026 · Passed 82–53 · with most RepublicansOfficial record ↗
Directs the POST commission to create a Missouri Rangers training program of up to 160 hours with a fitness test; rangers employed by schools get limited arrest powers on school property and may carry firearms if the school authorizes.
May 13, 2026 · Passed 98–48 · with most RepublicansOfficial record ↗
Creates provisions restricting political subdivisions from imposing requirements that threaten affordability of developments or improvements of property
Feb 16, 2026 · Passed 92–61 · with most RepublicansOfficial record ↗
On the version voted May 15, 2026: Makes two parts of the bill take effect immediately: authority for certified peace officers to mitigate credible drone threats, and a revised drone offense over open-air venues (now 500-person capacity, was 5,000) and critical infrastructure.
Relating to the expenditure of moneys in certain funds by the department of natural resources
What it does: Changes Department of Natural Resources programs, including dropping the income-source restriction on Clean Water Commission members, giving holders of Army Corps reservoir storage rights to their return flows, and ch…
Voted no · most Republicans voted yes · Democrats 6–15, Republicans 80–20
A yes vote adopted the conference committee's report on HB 2009, the appropriations bill for the Department of Corrections; a separate final-passage vote followed. (AI-written)
What it does: Appropriates money for the expenses, grants, refunds, and distributions of the Department of Corrections
Voted no · most Republicans voted yes · Democrats 19–21, Republicans 88–15
What it does: Appropriates money for the expenses, grants, refunds, and distributions of the State Board of Education and Department of Elementary and Secondary Education
Voted no · most Republicans voted yes · Democrats 0–46, Republicans 83–22
Substantive votes concern legislation or nominations; procedural votes concern how the chamber considers them. A Yes vote applies to the motion shown, which may not be final passage.
HB 2017 · MO HOUSE
Appropriations bill
YesVOTED
Motion: Previous question
A yes vote would have ended debate and forced an immediate vote on House Resolution 2, which informed the Senate that the House adopted no motions to override the Governor's vetoes of HB 2002-2012 and HB 2017. (AI-written)
A yes vote adopted the Senate's version of HB 1696, which changes who is next-of-kin for the right of sepulcher and requires criminal background checks for residential camp staff and volunteers. (AI-written)
Modifies provisions relating to the right of sepulcher
A yes vote ended debate on the Senate's version of HB 1696 (right of sepulcher and camp staff background checks) so the House could vote on adopting it (previous question). (AI-written)
Modifies provisions relating to the right of sepulcher
A yes vote adopted the Senate's version of HB 2474, which adds progressive design-build contracts to public contract law and authorizes more cooperative purchasing agreements by the state. (AI-written)
A yes vote ended debate on the Senate's version of HB 2896 (higher education boards and related education changes) so the House could vote on adopting it (previous question). (AI-written)
Modifies provisions relating to the governing bodies of certain public institutions of higher education