Wisconsin · 2025-2026 Regular Session · Bill
SB 579: Relating to: collective bargaining for employees of the University of Wisconsin System, granting rule-making authority, and making an appropriation. (FE)
Did not advance Official data
- Introduced
- In committee
- Passed one chamber
- Passed both chambers
- Enacted
- Did not advance
Last official action: ·Record last updated:
Plain-language summary
SB 579 is a bill introduced in the Wisconsin Senate on October 24, 2025. According to its official title, it concerns: Relating to: collective bargaining for employees of the University of Wisconsin System, granting rule-making authority, and making an appropriation. (FE). Primary sponsor: Chris Larson (Democratic), Tim Carpenter (Democratic), Kristin Dassler-Alfheim (Democratic), Dora Drake (Democratic), Jodi Habush Sinykin (Democratic), Dianne Hesselbein (Democratic), LaTonya Johnson (Democratic), Sarah Keyeski (Democratic), Brad Pfaff (Democratic), Melissa Ratcliff (Democratic), Kelda Roys (Democratic), Jeff Smith (Democratic), Mark Spreitzer (Democratic), Jamie Wall (Democratic), Bob Wirch (Democratic). It lists 43 additional sponsors. Most recent recorded action (March 23, 2026): Failed to pass pursuant to Senate Joint Resolution 1.
Generated automatically from the official title, sponsor list, and status record only. It does not characterize the bill’s purpose or effects. How summaries are written
Sponsors
Sponsors by party (alphabetical): Democratic 58
| Name | Role | Party | Chamber | District |
|---|---|---|---|---|
| Chris Larson | Primary sponsor | Democratic | Senate | 7 |
| Tim Carpenter | Primary sponsor | Democratic | Senate | 3 |
| Kristin Dassler-Alfheim | Primary sponsor | Democratic | Senate | 18 |
| Dora Drake | Primary sponsor | Democratic | Senate | 4 |
| Jodi Habush Sinykin | Primary sponsor | Democratic | Senate | 8 |
| Dianne Hesselbein | Primary sponsor | Democratic | Senate | 27 |
| LaTonya Johnson | Primary sponsor | Democratic | Senate | 6 |
| Sarah Keyeski | Primary sponsor | Democratic | Senate | 14 |
| Brad Pfaff | Primary sponsor | Democratic | Senate | 32 |
| Melissa Ratcliff | Primary sponsor | Democratic | Senate | 16 |
| Kelda Roys | Primary sponsor | Democratic | Senate | 26 |
| Jeff Smith | Primary sponsor | Democratic | Senate | 31 |
| Mark Spreitzer | Primary sponsor | Democratic | Senate | 15 |
| Jamie Wall | Primary sponsor | Democratic | Senate | 30 |
| Bob Wirch | Primary sponsor | Democratic | Senate | 22 |
| Clint Anderson | Co-sponsor | Democratic | House | 45 |
| Deb Andraca | Co-sponsor | Democratic | House | 23 |
| Margaret Arney | Co-sponsor | Democratic | House | 18 |
| Mike Bare | Co-sponsor | Democratic | House | 80 |
| Jill Billings | Co-sponsor | Democratic | House | 95 |
| Brienne Brown | Co-sponsor | Democratic | House | 43 |
| Ryan Clancy | Co-sponsor | Democratic | House | 19 |
| Angelina Cruz | Co-sponsor | Democratic | House | 62 |
| Karen DeSanto | Co-sponsor | Democratic | House | 40 |
| Ben DeSmidt | Co-sponsor | Democratic | House | 65 |
| Steve Doyle | Co-sponsor | Democratic | House | 94 |
| Jodi Emerson | Co-sponsor | Democratic | House | 91 |
| Joan Fitzgerald | Co-sponsor | Democratic | House | 46 |
| Russell Goodwin | Co-sponsor | Democratic | House | 12 |
| Kalan Haywood | Co-sponsor | Democratic | House | 16 |
| Francesca Hong | Co-sponsor | Democratic | House | 76 |
| Andrew Hysell | Co-sponsor | Democratic | House | 48 |
| Jenna Jacobson | Co-sponsor | Democratic | House | 50 |
| Alex Joers | Co-sponsor | Democratic | House | 81 |
| Tara Johnson | Co-sponsor | Democratic | House | 96 |
| Karen Kirsch | Co-sponsor | Democratic | House | 7 |
| Darrin Madison | Co-sponsor | Democratic | House | 10 |
| Renuka Mayadev | Co-sponsor | Democratic | House | 77 |
| Maureen McCarville | Co-sponsor | Democratic | House | 42 |
| Tip McGuire | Co-sponsor | Democratic | House | 64 |
| Vinnie Miresse | Co-sponsor | Democratic | House | 71 |
| Greta Neubauer | Co-sponsor | Democratic | House | 66 |
| Supreme Moore Omokunde | Co-sponsor | Democratic | House | 17 |
| Lori Palmeri | Co-sponsor | Democratic | House | 54 |
| Christian Phelps | Co-sponsor | Democratic | House | 93 |
| Priscilla Prado | Co-sponsor | Democratic | House | 9 |
| Amaad Rivera-Wagner | Co-sponsor | Democratic | House | 90 |
| Ann Roe | Co-sponsor | Democratic | House | 44 |
| Joe Sheehan | Co-sponsor | Democratic | House | 26 |
| Christine Sinicki | Co-sponsor | Democratic | House | 20 |
| Lee Snodgrass | Co-sponsor | Democratic | House | 52 |
| Ryan Spaude | Co-sponsor | Democratic | House | 89 |
| Angela Stroud | Co-sponsor | Democratic | House | 73 |
| Shelia Stubbs | Co-sponsor | Democratic | House | 78 |
| Lisa Subeck | Co-sponsor | Democratic | House | 79 |
| Sequanna Taylor | Co-sponsor | Democratic | House | 11 |
| Angelito Tenorio | Co-sponsor | Democratic | House | 14 |
| Randy Udell | Co-sponsor | Democratic | House | 47 |
“Support” is shown only as formal sponsorship recorded by the legislature. Roll-call votes are available on the official bill page.
Recent official actions
- Failed to pass pursuant to Senate Joint Resolution 1
- Fiscal estimate received
- Fiscal estimate received
- Fiscal estimate received
- Read first time and referred to Committee on Universities and Technical Colleges
- Introduced by Senators Larson, Carpenter, Dassler-Alfheim, Drake, Habush Sinykin, Hesselbein, L. Johnson, Keyeski, Pfaff, Ratcliff, Roys, Smith, Spreitzer, Wall and Wirch; cosponsored by Representatives Emerson, Billings, Anderson, Andraca, Arney, Bare, Brown, Clancy, Cruz, DeSanto, DeSmidt, Doyle, Fitzgerald, Goodwin, Haywood, Hong, Hysell, J. Jacobson, Joers, Johnson, Kirsch, Madison, Mayadev, McCarville, McGuire, Miresse, Moore Omokunde, Neubauer, Palmeri, Phelps, Prado, Rivera-Wagner, Roe, Sheehan, Sinicki, Snodgrass, Spaude, Stroud, Stubbs, Subeck, Taylor, Tenorio and Udell