Incumbent
John S. Leiber
Incumbent Republican candidate for Comptroller in Wisconsin
Wisconsin State Treasurer winner?
$5.9K
NOV 7, 2026
General Election
Voters choose the office holder.
Live Odds — Wisconsin State Treasurer winner?
Current prediction-market probability for the candidate, updated as market prices change.
21%chance to win
$5.9KNOV 7, 2026Candidate Overview
Key details about the candidate’s background, party, office sought and current campaign.
Current roleTreasurer
PartyRepublican
Political ideologyConservative Republican
Age49 years old (Oct 17, 1977)
GenderMale
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LocationWisconsin
BackgroundAttorney
EducationUniversity of Wisconsin–Parkside (B.A., History)
Notable personal detailsJohn Samuel Leiber is an American lawyer and politician serving as the 37th State Treasurer of Wisconsin, sworn in on 2023-01-03. A Republican, he previously worked as a legislative aide in the Wisconsin Legislature and served in local government roles including president of a parks and recreation commission and a housing authority commissioner. He earned a B.A. in History from the University of Wisconsin–Parkside and a J.D. from the University of Wisconsin Law School.
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Political Positions
Economy & Taxes
Leiber emphasizes small government, opposing expansion of the treasurer’s office and saying responsibilities should stay limited to the office’s existing duties. He also frames the office’s investment role as a way to grow the Common School Fund and reduce property tax bills.
Healthcare
He selected the view that Medicaid and Medicare should remain available, but no other taxpayer-funded healthcare programs are necessary. He also emphasized personal freedom over government or employer vaccination requirements.
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Immigration & Border
Supports immigration reform that prioritizes legal immigration and selects immigrants who can contribute economically or scientifically. Also says refugees would not be excluded, but does not lay out a detailed position on border enforcement or asylum policy.
Abortion & Reproductive Rights
John Leiber states that abortion should only be allowed to save the life of the mother. He also says abortion providers, including Planned Parenthood, should not receive public funds, and that as state treasurer he would allow no abortion provider to receive funds from his office.
Climate & Energy
Leiber has described supporting renewable energy goals and solar development in Fitchburg, including a target for 25% of local energy to come from renewable resources. He has also said stricter environmental laws can cost jobs, supports hydraulic fracking, and views energy independence as vital.
Public Safety & Guns
John Leiber supports keeping guns out of the hands of people with mental illness and violent criminal convictions. He also supports qualified immunity for police and opposes redirecting police funding to mental health and community programs, while opposing lawsuits against firearms manufacturers and dealers by gun-violence victims.
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