Senator
Dianne Hesselbein
| Seat | Senate District 27 |
|---|---|
| Party | Democratic |
| Capitol office | Room 206 South · State Capitol |
| Mailing address | State Capitol Room 206 South, P.O. Box 7882, 2 E. Main St., Madison, WI 53707 |
| Capitol phone | 608-266-6670 |
| Legislative assistant | Ryan Knocke, Denise Stromme, Corbin Baldwin, Margie Berkowitz, Geoff Gaston, Brett Halverson, Jalen Knuteson, Kodichi Nwankwo, Laura Pratt, Jose Rodriguez, Jeanne Weiss |
| Write to | sen.hesselbein@legis.wisconsin.gov (official address) |
| Hometown | Middleton |
| Tenure | Serving since January 3, 2023 (also served Assembly 2013 to 2022) |
| Term limited | No term limits |
Committees 4
Bills, 2025 to 2026 session 340 as principal author · 0 as coauthor
- MeasureTitleStatusMomentum
- SJR 21Relating to: honoring the life and public service of Senator Timothy Francis Cullen.Enacted100
- SJR 6Relating to: honoring the life and enduring legacy of Robert George Uecker.Enacted100
- SB 387Relating to: indication of veteran status of certain service members on operators’ licenses or identification cards.…Enacted100
- SB 521Relating to: highway signs for the Mount Horeb Veterans Memorial. (FE)Enacted100
- SB 23Relating to: extension of eligibility under the Medical Assistance program for postpartum women. (FE)Enacted100
- SB 264Relating to: coverage of breast cancer screenings by the Medical Assistance program and health insurance policies and…Enacted100
- SB 14Relating to: pelvic exams on unconscious patients and creating an administrative rule related to hospital requirements…Enacted100
- SB 24Relating to: limitations on the total value of taxable property that may be included in, and the lifespan of, a tax…Enacted100
- SJR 30Relating to: congratulating the University of Wisconsin-Madison women’s hockey team on winning the 2025 NCAA Division I…In committee42
- SJR 36Relating to: congratulating the University of Wisconsin-La Crosse women’s gymnastics team on winning the 2025 National…In committee42
- SJR 70Relating to: proclaiming June 12, 2025, as Women Veterans Day.In committee42
- SB 377Relating to: identification of the Brooklyn Area Veterans Memorial on state highway maps. (FE)Out of committee41
- SB 379Relating to: creating a refundable individual income tax credit for the parent of a stillbirth and making an…Out of committee38
- SB 297Relating to: special registration plates to support protecting pollinators and making an appropriation. (FE)In committee36
- SJR 101Relating to: declaring November as Veteran Mental Health and Suicide Awareness Month in Wisconsin.Out of committee36
All 340 bills as principal author ›
Bills and sponsors: Open States bulk data (public domain dedication), 2026-10-public.pgdump; status is read from the official actions. About the momentum score
Effectiveness 2025 to 2026 session
57th percentile
| Bills & joint resolutions authored | 338 |
|---|---|
| … passed committee / chamber / both | 35 / 25 / 8 |
| … became law | 8 |
| Carried in the other chamber (became law) | 0 (0) |
| Points vs. Senate minority average | 141 ÷ 160.60 = 0.88 |
| Most-authored topics | Business, jobs & the economy (103), Budget & taxes (96), State government & agencies (80) |
Senate rankings · How the score works. A count of bill progress, not a judgment of the member's work.
Closest allies co-authorship, 2025 to 2026
Most bills written together
- Mark Spreitzer DSenate 15 305
- Melissa Ratcliff DSenate 16 299
- Chris Larson DSenate 7 268
- Kelda Roys DSenate 26 264
- Kristin Dassler-Alfheim DSenate 18 214
- Tim Carpenter DSenate 3 187
- Jeff Smith DSenate 31 175
- Dora Drake DSenate 4 172
- LaTonya Johnson DSenate 6 171
- Sarah Keyeski DSenate 14 163
“Written together” = 2025 to 2026 session bills and joint resolutions on which both are principal author or coauthor (measures with more than 60 sponsors are left out). Sharing bills does not imply a personal or political alliance.
District 27
- Counties
- Dane
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- Assembly members sharing a county
- Maureen McCarville (42), Joan Fitzgerald (46), Randy Udell (47), Andrew Hysell (48), Jenna Jacobson (50), Todd Novak (51), Francesca Hong (76), Renuka Mayadev (77), Shelia Stubbs (78), Lisa Subeck (79), Mike Bare (80), Alex Joers (81)
Official district map: see the official Senate page.
Lobbyist reports naming this member 2025 to 2026
No lobbyist expenditure reports naming this member are in our data.
Registered lobbyists and the organizations they represent are on our sister site, the Wisconsin Lobby Guide.
A reported expenditure is a legal, disclosed activity and does not imply wrongdoing.
Source
Copied from https://docs.legis.wisconsin.gov/2025/legislators/senate/2811 on November 2, 2026, through Open States people data (CC0), checked against official legislature rosters. Not endorsed by the Wisconsin State Senate.