William J. Mauzy - Minneapolis, MN
Attorney at Mauzy Law Office, P.A.
White Collar Crimes Lawyers in Minneapolis, MN
650 Third Avenue South Suite 260 Minneapolis, MN 55402
- Free Consultation
- 1 Super Lawyers®
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53
Years
Experience
Minneapolis White Collar Crimes Lawyer
Updated: 03/10/2026
Areas of Practice
- White Collar Crimes
- Criminal Defense General Practice
Attorney Information
Overview
William J. Mauzy. Fellow, American Board of Criminal Lawyers; Fellow, American College of Trial Lawyers. Having won more than 100 cases in state and federal court, William Mauzy has been selected continuously for 39 years for the book The Best Lawyers in America, he has been a Minnesota “Super Lawyer” for 35 years. Mauzy is certified by the Minnesota State Bar Association as a Criminal Trial Specialist and by the National Board of Trial Advocacy as a Criminal Trial Specialist. Effectively representing individuals and corporations in all criminal matters, he has won acquittals in a wide variety of matters including securities fraud, bank fraud, mail fraud, bid rigging, health care fraud, antitrust, ERISA fraud, mortgage fraud, insurance fraud, environmental crimes and bribery. Mauzy achieved the first acquittal in Minnesota using the battered woman’s syndrome defense in a murder trial, and the first acquittal in the federal district of Minnesota. In one of his many white collar cases, he became the first attorney in Minnesota to try a case against the Office of Independent Counsel. Mauzy’s client, an insurance company CEO, was acquitted of all charges after a lengthy trial in Washington, D.C. Mauzy also won an acquittal for the former Chairman of the Republican Party of Minnesota for alleged illegal corporate campaign contribution, and an acquittal for a highly regarded Twin Cities pediatrician on criminal sexual assault charges. Just recently, he won jury acquittals in a federal fraud trial, a federal insider trading trial, a federal tax evasion case, and a Minnesota State theft by swindle state trial. He was recognized by an award issued in 2023 as an “Icon” of the Minnesota Bar.
Bill is married to retired Hennepin County judge Lucy Wieland, has four children and 10 grandchildren. While he is most proud of his academic and legal accomplishments, he also takes great pride in the fact that he was recently inducted into the Franklin High school Football Hall of Fame. He also enjoys skiing and hiking in Montana.
Mauzy is admitted to practice in the United States District Court, United States Court of Appeals for the Eighth Circuit, United States Supreme Court and United States Tax Court. He also is admitted to practice in the State of Wisconsin. B.A. 1969, Carleton College; J.D. cum laude, 1973, University of Minnesota.
Awards and Honors
Honors
- Fellow, American College of Trial Lawyers, Present, 2002 - Present
- Fellow, American Board of Criminal Lawyers, Present, 2009 - Present
- Top 10 Lawyers in Minnesota
- Super Lawyer, Present, 1991 - Present
- Selected by the Minnesota Supreme Court for The Minnesota Rules of Criminal Procedure Committee
- Selected by the Minnesota Supreme Court for The Jury Trial Task Force
- Selected as a Fellow by the American Board of Criminal Lawyers, an honor reserved for the top criminal defense lawyers in the United States
Other Sources of Feedback About William J. Mauzy
Included on the 2026 Minnesota Super Lawyers list
Past Lists
- 2025 Minnesota Super Lawyers list
- 2024 Minnesota Super Lawyers list
- 2023 Minnesota Super Lawyers list
- 2022 Minnesota Super Lawyers list
- 2021 Minnesota Super Lawyers list
- 2020 Minnesota Super Lawyers list
- 2019 Minnesota Super Lawyers list
- 2018 Minnesota Super Lawyers list
- 2017 Minnesota Super Lawyers list
- 2016 Minnesota Super Lawyers list
- 2015 Minnesota Super Lawyers list
- 2014 Minnesota Super Lawyers list
- 2013 Minnesota Super Lawyers list
- 2012 Minnesota Super Lawyers list
- 2011 Minnesota Super Lawyers list
- 2010 Minnesota Super Lawyers list
- 2009 Minnesota Super Lawyers list
- 2008 Minnesota Super Lawyers list
- 2007 Minnesota Super Lawyers list
- 2006 Minnesota Super Lawyers list
- 2005 Minnesota Super Lawyers list
- 2004 Minnesota Super Lawyers list
- 2003 Minnesota Super Lawyers list
- 2002 Minnesota Super Lawyers list
- 2001 Minnesota Super Lawyers list
- 2000 Minnesota Super Lawyers list
- 1999 Minnesota Super Lawyers list
- 1998 Minnesota Super Lawyers list
- 1997 Minnesota Super Lawyers list
- 1996 Minnesota Super Lawyers list
- 1995 Minnesota Super Lawyers list
- 1994 Minnesota Super Lawyers list
- 1993 Minnesota Super Lawyers list
- 1991 Minnesota Super Lawyers list
Education
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Legal Education
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University of Minnesota Law School,
Minneapolis,
Minnesota, 1973
J.D.
Honors: cum laude
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University of Minnesota Law School,
Minneapolis,
Minnesota, 1973
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Non Legal Education
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Carleton College, 1969
B.A.
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Carleton College, 1969
Current Employment Position(s)
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Attorney
Past Positions
- State Public Defender’s Office, Law Clerk
Classes and Seminars
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"Law Searches", Continuing Legal Education, Minnesota Criminal Justice Institute Seminar
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"Prosecution Discovery: Criminal Defense Lawyers Response", Minnesota Trial Lawyer
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"Street Encounters", Minnesota Trial Lawyer November
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"Accosting Citizens", Minnesota Trial Lawyer
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"Automobile Searches", Continuing Legal Education, Minnesota Criminal Justice Course
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"Jury Impeachment", Continuing Legal Education, Minnesota Criminal Justice Course
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"Misdemeanor Appeals", Advanced Legal Education, Appellate Practice Institute, Seminar on Appellate Advocacy
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"Prosecution Discovery, Keeping the Prosecutor Out of Your Drawers", Advanced Legal Education, Federal Criminal Practice Seminar
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"Container Searches", Minnesota Criminal Justice Course
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"404(b): Other Crimes Evidence", Advanced Legal Education, Criminal Practice Seminar
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"Sentencing Alternatives", Advanced Legal Education, Criminal Practice Seminar
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"Multiple Representation", Continuing Legal Education, Criminal Justice Institute
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"Defending Lawyers Involved in Criminal Activity", Advanced Legal Education, Criminal Practice Seminar
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"Keeping the Character Door Closed", Minnesota Continuing Legal Education, Evidence in Criminal Cases
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"Expert Testimony in Criminal Trials", Minnesota Institute of Legal Education, Minnesota Evidence Seminar
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"Confrontation", Minnesota Continuing Legal Education, Criminal Justice Course
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"Grand Jury Practice", Continuing Legal Education, Criminal Justice Course
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"What To Do About Criminal Fraud and Abuse Allegations, Minnesota Continuing Legal Education, Long Term Care and The Law Seminar
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"Expert Testimony on Ultimate Issues", Minnesota Institute of Legal Education, Minnesota Evidence Seminar
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"Managing Multiple Front Litigation", Federal Bar Association, Federal Court Practice Seminar
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"Document Production in White Collar Cases", Minnesota Institute of Legal Education, Crime 1989 Seminar
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"Foreign Corrupt Practices Act: Defending Fraud Cases Internationally", Minnesota Institute of Legal Education, Government Contract Fraud Seminar
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"Criminal Defense Considerations and the Internal Investigation", Minnesota Institute of Legal Education, Government Contract and Program Fraud
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"Trial Strategies in Fraud Cases", Minnesota Association of Criminal Defense Lawyers Seminar
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"Response Strategies to Medicaid & Medicare Investigations", Care Providers of Minnesota, Fraud and Abuse Seminar
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"Are You Being Served?", Bench and Bar of Minnesota
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"Recent Trends in Automobile Searches: The Defense Perspective", Continuing Legal Education, 29th Annual Criminal Justice Institute Seminar
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"Criminal Investigation Issues in the Bankruptcy Context", Minnesota State Bar Association, 1995 Bankruptcy Institute Seminar
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"Dealing with the Media in Criminal Cases", Minnesota Institute of Legal Education, Dealing with the Media Seminar
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"Responding to Government Requests for Information", Law & Politics, Crimes and Misdemeanors Seminar
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"Less Boring Direct Examination", Minnesota State Bar Association, 32nd Annual Criminal Justice Institute Seminar
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"Lessons Learned from Defending Against the Office of Independent Counsel", Law & Politics, Crimes and Misdemeanors Seminar
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"Confrontation and Hearsay", Minnesota Institute of Legal Education, Strategic Approaches to Minnesota Evidence Seminar
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"Ethical Issues for Criminal Defense Lawyers", Minnesota Institute of Legal Education, Ethical Issues & Elimination of Bias Seminar
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"Presenting a Convincing Theory of Defense in Financial Crime Trials", Minnesota Institute of Legal Education, Financial Investigations Seminar
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"The Discovery Room: Issues and Procedures for Complete Discovery in Complex Cases", Minnesota Institute of Legal Education, White Collar Crime Seminar
- “Demonstrative Evidence”, Minnesota Institute of Legal Education Seminar
Bar Admissions
- Minnesota, 1973
- U.S. District Court District of Minnesota, 1974
- U.S. Court of Appeals 5th Circuit, 1998
- U.S. Court of Appeals 8th Circuit, 1975
- U.S. Supreme Court, 1976
- U.S. Tax Court, 1986
- Wisconsin
Specialties and Certifications
- Criminal Trial Specialist, National Board of Trial Advocacy, 1985
- Criminal Law Specialist, Minnesota State Bar Association, 2010
Other Affiliations
- Minnesota Supreme Court Advisory Committee of Criminal Procedure, 1981 - 1995
- Minnesota Supreme Court Task Force on Jury Trial Procedure, 2000 - 2002
- United States District Court, District of Minnesota (Federal Practice Committee), 1985 - Present
- Hennepin County Bar Association (Criminal Law Committee), 1973 - Present
- Minnesota Bar Association (past President, Criminal Law Section)
- American Bar Association (Criminal Justice Section, Complex Crimes Committee), 1983 - Present
- Federal Bar Association (Criminal Justice Section, Complex Crimes Committee), 1983 - Present
- Minnesota Trial Lawyers Association
- Academy of Certified Trial Lawyers of Minnesota
- Minnesota Association of Criminal Defense Lawyers (Board of Directors), 1991 - 1994
- National Association of Criminal Defense Lawyers (President’s Commendation), 1979
- American Board of Criminal Lawyers, 2009 - Present
- American College of Trial Lawyers, 2002 - Present
- Minnesota State Bar Association Criminal Law Certification Board of Directors (Member)
Photo
Contact
650 Third Avenue South
Suite 260
Minneapolis, MN 55402
Phone: 612-930-0405
Fax: 612-340-1628
Email: Send a message
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