Gansner Law Office
Fierce Advocacy for Complex Criminal Defense
With over 15 years of unmatched experience in criminal law, we deliver strategic, expert defense in Wisconsin’s most complex and high-stakes cases.
Criminal Defense, Madison, Wisconsin
Complex Criminal Defense
At Gansner Law Office, we provide the following legal services.
Homicide & Violent Felonies
Defense against homicide, attempted homicide, battery, armed robbery, and other serious violent charges.
Sex Crimes & Crimes Against Children
Defense in matters involving sexual assault, child abuse allegations, or exploitation claims.
Domestic Violence & Family-Related Offenses
Representation in domestic abuse cases, including no-contact order violations and complex family dynamics.
Mental Health & Neurological Defense
Specialization in cases involving competency issues, mental illness, autism spectrum, developmental disabilities, or brain injury.
Affirmative Defenses & Psychological Expert Testimony
Deep expertise in presenting and challenging affirmative defenses, supported by top-tier medical and psychological experts.
Juvenile & School Disciplinary Defense
Advocacy for minors facing criminal charges or serious disciplinary action with long-term educational impact.
Appeals & Post-Conviction Relief
Strategic guidance through appellate review and efforts to overturn unjust convictions or sentences.
Death Penalty & Out-of-State Consultation
Specialized experience in capital case consultation, including death penalty litigation in other jurisdictions.
Criminal Defense Lawyer
About Gansner Law Office
Our firm exists for clients facing the most serious criminal charges—those with the most to lose. We bring unparalleled expertise in complex legal issues, including mental health, neurological disorders, and affirmative defenses. With decades of combined experience and a courtroom presence that commands respect, we serve individuals and families who require strategic, creative, and compassionate defense. We don’t rely on “how things have always been done”—we innovate, investigate, and advocate relentlessly. Every client receives our full attention, because their freedom, future, and dignity demand it.
Criminal Defense Legal Team
Meet the team
Our firm's heart is a tight-knit, high-performing team dedicated to providing elite defense with a personal, human touch. We combine world-class legal skill with attentive, responsive client care to ensure no detail is overlooked — whether in the courtroom or behind the scenes. Every person who walks through our doors receives thoughtful, informed, and strategic representation that reflects our shared values of integrity, innovation, and impact.

Nick Gansner
Attorney
Nick brings rare and highly specialized experience as both a prosecutor and defense attorney in homicide, sex crimes, and complex mental health litigation. He is known for his courtroom command, creative strategies, and deep commitment to every client’s story.

Ann Craig
Business Administrator
Ann brings structure, clarity, and warmth to the client experience, ensuring that everything behind the scenes runs smoothly. With a deep understanding of operations and a personal commitment to client service, she makes sure the firm stays responsive, efficient, and centered on what matters most—our clients.
Get in touch with
Gansner Law Office
Call us
608-509-7204
Meet with us
Book a ConsultLocation
121 S Pinckney St, STE 320
Madison, WI 53703-5116
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