Skip to main content
The Full Record
Menu
Portrait of Mark SpreitzerPhoto: docs.legis.wisconsin.gov

WI · Officeholder

Mark Spreitzer

DState Senator · District 15

On the ballot Nov 3, 2026: Wisconsin Senate District 15

Biography

Mark Spreitzer is a Democratic member of the Wisconsin State Senate who has represented District 15 since January 2023 and is seeking re-election in the November 3, 2026, general election.[1][2] He previously served in the State Assembly from 2015 to 2023.[1]

Mark Spreitzer lives in Beloit, Wisconsin, and earned a bachelor's degree in political science from Beloit College in 2009.[1] His professional experience includes working as an assistant director of alumni and parent relations and annual support at Beloit College and working for former U.S. Sen. Russ Feingold.[1]

Spreitzer represented Assembly District 45 from 2015 to 2023 and took his Senate seat on January 3, 2023.[1] In a 2026 Ballotpedia survey, he said he had also served two terms on the Beloit City Council, chairs the Senate Democratic Caucus for 2025-2026 and the Legislative LGBTQ+ Caucus, and is the ranking Democratic member of the Committee on Government Operations, Labor, and Economic Development.[3]

In the same survey, Spreitzer named housing, regulation of artificial intelligence and data centers, support for family farms, and reducing the burden of property taxes among his legislative priorities.[3]

  1. 1.Mark Spreitzer · Ballotpedia Reference
  2. 2.Wisconsin State Senate elections, 2026 · Ballotpedia Reference
  3. 3.Mark Spreitzer 2026 Candidate Connection survey responses · Ballotpedia Candidate Connection survey Candidate's own words

Researched from the cited sources on 2026-10-21. Not yet independently fact-checked.

Wisconsin Senate District 15

Mark Spreitzer is on the Nov 3, 2026 ballot for Wisconsin Senate District 15 as D. Not researched in depth — candidate list only.

Ballotpedia ↗

Other candidates for this seat

Votes by issue

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 Democrats voted. How topics are assigned

Where they stood out

Voted against most of their party on 1 of 183 party-divided votes on file.

  • Relating to: name, image, and likeness rights for University of Wisconsin System student athletes; maintenance costs for University of Wisconsin–Madison intercollegiate athletic facilities; and making an appropriation.

    Voted yes · most Democrats voted no · Democrats 6–9, Republicans 11–7

    Mar 17, 2026Official record ↗

How this is counted

Their votes on the most contested roll calls

The votes in their chamber that came out closest and most divided by party, among those they voted on. How we rank

See all their split votes

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.

AB 1 · WI SENATE

Relating to: changes to the educational assessment program and the school and school district accountability report.

NoVOTED

Motion: CONCURRENCE

Failed 15–18·Substantive·May 13, 2026Roll call ↗
AB 387 · WI SENATE

Relating to: correction bill for 2025 Wisconsin Act 15 and making an appropriation.

YesVOTED

Motion: CONCURRENCE

Passed 29–4·Substantive·Mar 17, 2026Roll call ↗
AB 1034 · WI SENATE

Relating to: name, image, and likeness rights for University of Wisconsin System student athletes; maintenance costs for University of Wisconsin–Madison intercollegiate athletic facilities; and making an appropriation.

YesVOTED

Motion: CONCURRENCE

Passed 17–16·Substantive·Mar 17, 2026Roll call ↗
AB 1032 · WI SENATE

Relating to: the sale of property under Department of Natural Resources jurisdiction to prevent the spread of avian flu.

NoVOTED

Motion: SHALL THE DECISION OF THE CHAIR STAND — SSA1 OFFERED BY HABUSH SINYKIN

Allows the Natural Resources Board to sell state-owned land under Department of Natural Resources control that is adjacent to or within one mile of a commercial egg farm to prevent the spread of avian flu, waiving the usual conservation-need requirement.

AI summary — read the bill text ↗
Passed 18–15·Procedural·Mar 17, 2026Roll call ↗
AB 1027 · WI SENATE

Relating to: requiring information relating to the food stamp program to be compiled and provided to the U.S. Department of Agriculture.

NoVOTED

Motion: SHALL THE DECISION OF THE CHAIR STAND — SSA1 OFFERED BY ROYS

On the version voted Feb 20, 2026: Changes FoodShare rules to match 2025 federal law, raising the work-requirement age cutoff from 50 to 65, narrowing the child exemption to under 14, limiting eligibility to qualified immigrants, and requiring DHS to share recipient data with USDA.

AI summary — read the bill text ↗
Passed 18–15·Procedural·Mar 17, 2026Roll call ↗
AB 757 · WI SENATE

Relating to: the appointment of certain employees of the University of Wisconsin System and faculty governance.

NoVOTED

Motion: REJECT AMENDMENT — SSA1 OFFERED BY LARSON

On the version voted Feb 12, 2026: Bars the UW Board of Regents from delegating limited appointments such as chancellors, requires it to approve and annually report their titles, salaries and descriptions, redefines faculty for shared governance, and bars faculty from limiting committee or program leadership by rank, tenure or degree.

AI summary — read the bill text ↗
Passed 18–15·Procedural·Mar 17, 2026Roll call ↗
AB 700 · WI SENATE

Relating to: an appropriation for refundable long-term care insurance assessment credits and making an appropriation.

YesVOTED

Motion: CONCURRENCE

Passed 30–3·Substantive·Mar 17, 2026Roll call ↗
AB 676 · WI SENATE

Relating to: creating a tax credit for insurers for certain investments in community development entities.

YesVOTED

Motion: CONCURRENCE

Passed 32–1·Substantive·Mar 17, 2026Roll call ↗
AB 670 · WI SENATE

Relating to: exempting persons engaged in certain contract research services from the sales and use tax.

YesVOTED

Motion: CONCURRENCE

Passed 32–1·Substantive·Mar 17, 2026Roll call ↗
AB 659 · WI SENATE

Relating to: tuition and fee remission or grants for certain veterans and their dependents enrolled in the University of Wisconsin System, a technical college, or a private nonprofit institution of higher education; and the University of Wisconsin System nonresident tuition exemption for certain veterans.

NoVOTED

Motion: REJECT AMENDMENT — SA1 OFFERED BY DASSLER-ALFHEIM

Passed 18–15·Procedural·Mar 17, 2026Roll call ↗

Showing 10 of 232 votes in this collection. Coverage may be incomplete; each entry links to the official record.