Ron Johnson

• Aging (Special) Committee
• Budget Committee
• Finance Committee
• Fiscal Responsibility and Economic Growth SubcommitteeChair
• Health Care Subcommittee
• Taxation and IRS Oversight Subcommittee
• Homeland Security and Governmental Affairs Committee
• Border Management, Federal Workforce, and Regulatory Affairs Subcommittee
• Permanent Subcommittee on InvestigationsChair

• Senate Republican ConferenceParty conference

• Sean M. Riley — Chief of Staff
• Margaret Marlo Meuli — Deputy Chief of Staff
• Grace H. Carnathan — Communications Director
• Chloe W. Pickle — Scheduler
• Alexis J. Alber — Counsel
• Tawsif Anam — Wisconsin Outreach Director
• Anthony E. Blando — Senior Advisor
• Scott D. Bolstad — State Director
• Elizabeth H. Buskirk — Staff Assistant
• Terri L. Crawford — Director of Constituent Services
• Frank John Fisher — Economic Policy Advisor
• Jonathan R. Foltz — Executive Director
• John J. Foss — Regional Director and Constituent Services Representatives
• Tyler James Gordon — Constituent Services Representative
• Mary M. Gronlund — Oshkosh Administrative Director
• Joshua D. Hartling — System Administrator & Deputy Administrator Director
• Michael J. Hartman — Constituent Correspondence Manager
• Bryan C. Hedelius — Digital Manager
• Lauren C. Hickey — Policy Advisor
• Patrick George Humphrey — Legislative Assistant
• Zach Jewkes — Legislative Correspondent
• McKinley C. Kalar — Constituent Services Representative
• Banga E. Kollmansberger — Regional Director/Milwaukee Office Manager
• Andrew J. Leckel — Constituent Services Representative
• Sarah A. Loney — Constituent Service Representative
• Maryjean H. Loos — State Scheduler
• Julia M. Mikota — Legislative Counsel
• Conner James Morrill — Legislative Correspondent
• Mark Christopher Nielsen — Regional Director
• Chivas O. Owens — Special Projects Coordinator
• Danuta H. Pereira — Legislative Assistant
• Thomas C. Petri — Wisconsin Legislative Director
• Gavin W. Proffitt — Health Policy Advisor
• Amy Resop — State Legislative Liaison
• Renee M. Riddle — Wisconsin Communications Director
• Courtney A. Rutland — Chief Counsel & Legislative Director
  courtney_rutland@ronjohnson.senate.gov
• Justin S. Stebbins — Senior Policy Advisor
• Pamela Travis — Wisconsin Research Specialist
• Danyell R. Tremmel — Senior Administrative Specialist
• Paul Truess — Regional Director
• Brady Patrick Walczak — Staff Assistant

Data as of Oct 2025 – Mar 2026 · Report of the Secretary of the Senate

Emails from published public contact lists

• Madison608-240-9629
  5315 Wall St. · Suite 110 · Madison, WI, 53718
• Milwaukee414-276-7282
  517 E. Wisconsin Ave. · Suite 408 · Milwaukee, WI, 53202
• Oshkosh920-230-7250
  219 Washington Ave. · Suite 100 · Oshkosh, WI, 54901

Data from congress-legislators