Mac Blessen
Lead OWI Attorney
Your license is worth defending. Mac Blessen knows that an OWI arrest is overwhelming, and the clock starts the moment you're charged. As a former public defender and Nelson Defense Group's lead OWI attorney, he builds every case with a deep belief in you and a relentless focus on results. Defending clients in Menomonie, Eau Claire, La Crosse, Hudson, and River Falls. Free consultation.
Call Mac now.
You may have just 10 days to protect your license.
Track Record
OWI with a minor child in the vehicle — Father charged with driving drunk with son in car.
The father had not recently driven the vehicle, as it was inoperable. Drinking occurred after the car broke down while he was fixing it.
OWI — Man charged with driving under the influence on a highway.
The state’s evidence, including breath and standardized field sobriety tests were not liable or sufficient evidence to meet their burden of proof.
OWI/PAC with a child under 16 years of age in the motor vehicle — Father charged with operating while intoxicated with his son in the vehicle.
Father did not drink until after he got home.
Western Wisconsin's OWI Defense Attorney.
Your case. Your License. Your future.
“Being charged with an OWI or DUI in western Wisconsin is stressful, and the legal system doesn't make it easy to understand what's happening or what comes next. I focus on helping people through that process. My job is to listen, explain things clearly, and work with you toward a resolution that protects what matters most your license, your job, and your future.”
~ Mac Blessen
Nelson Defense Group is the shield that protects you – giving voice to your story when it matters most.
About
Mac Blessen
Lead OWI Attorney
BIO
Mac Blessen is a dedicated criminal defense attorney whose path to the courtroom began with a passion for advocacy and a commitment to telling his clients’ stories with clarity and conviction. At Nelson Defense Group, he brings both courtroom experience and a deep belief that every person deserves to be fully heard and vigorously defended. Mac represents clients across western Wisconsin, including Hudson, WI, defending individuals facing charges ranging from misdemeanors to serious felonies — including OWI, DUI, and other drunk driving offenses.
Career Highlights
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Former public defender in Baraboo, Wisconsin, managing a high-volume caseload that included civil commitments, juvenile delinquency, misdemeanors, and felonies.
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Interned with Federal Defender Services of Wisconsin and the Wisconsin State Public Defender during law school.
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Brings a background in nonprofit communications in Washington, D.C., where he honed his skills in storytelling and advocacy.
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Practices independently while backed by the collective strength and expertise of the Nelson Defense team, ensuring clients receive both personalized attention and the benefit of a unified defense.
Practice and Leadership
- Committed to client-centered representation, focusing on each client’s humanity and unique circumstances.
- Believes that effective defense means transforming legal cases into compelling narratives that judges and juries can truly understand.
- Strives to make sure clients feel heard, informed, and supported through every step of the legal process.
- Mac’s work reflects his belief that every person has a story worth defending and a future worth fighting for.
EDUCATION
Hamilton College
University of Wisconsin Law School
We don’t just defend cases,
we defend people.
Mac Blessen focuses on the following practice areas throughout western Wisconsin.
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