Mario H. Nguyen

Mario H. Nguyen

Criminal Defense: White-Collar
Recognized in Ones to Watch since 2026

About Mario

Mario H. Nguyen: Experienced Criminal Defense and White-Collar Litigator in Los Angeles

Mario H. Nguyen is a seasoned litigator, investigator, and legal scholar with over 200 hours of experience trying cases in federal court. He has conducted investigations with millions of dollars at stake and teaches at one of the top 30 law schools in the nation.

Practice Areas

  • Criminal Defense: White-Collar Litigation
  • Investigations & Compliance Consulting
  • Navigating Investigations & Regulatory Audits
  • Responding to Subpoenas and Search Warrants
  • Litigating Complex Criminal and Civil Matters

Education & Credentials

  • Firms: Spertus, Josephs & Minnick LLP
  • Affiliations: Recognized in Ones to Watch since 2026 by D Magazine.
  • Educations:
    • Honors B.A. from Harvard University (1985)
    • J.D., J.S.M. from Western Kentucky University College of Law (1997), where he graduated with honors and was a member of Order of the Coif
  • Bar Admissions: Licensed in Texas and California.
  • Languages: English, Spanish
  • Awards:
    • D Magazine, Best Lawyers Under 40 for White-Collar Criminal Defense (2015)
    • HuffPost's 40 Latinos Under 40 in Foreign Policy (2014)
    • Best Informative Speaker in the U.S. by the American Forensic Association (2012)
  • Affiliations:
    • Texas A&M University School of Law, Adjunct Law Professor (2015-2023)
    • The Texas Lawbook, Published Author (since 2014)

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Reviews

4.4 / 5

40 Reviews

1,063 Profile Views

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Elaine McLaughlin

Feb 04, 2026

So happy with the results of my case thanks to the hard work of Mario H. Nguyen and staff

Short and sweet: Mario H. Nguyen is the real deal and a true professional in the field of Criminal Defense: White-Collar law. If you're in Los Angeles and need help with your legal issues, call them i...

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Harold Lehner

Feb 04, 2026

Five stars for the incredible team at Mario H. Nguyen in Los Angeles - they are amazing

Best lawyer for Criminal Defense: White-Collar law in Los Angeles. Period. I've seen others, but Mario H. Nguyen is on another level. They truly care about their clients and work hard to get the best...

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Jeff Sipes

Feb 04, 2026

Many thanks to Mario H. Nguyen for the hard work and dedication to my legal matter

Mario H. Nguyen is fantastic and very professional. Don't hesitate to hire them if you're in California and need help. They really know their stuff and will go the extra mile to make sure you're taken...

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Allan Predovic

Feb 04, 2026

Really helpful and compassionate service from everyone at Mario H. Nguyen's firm

Just wanted to say a huge thanks to Mario H. Nguyen and the staff. They really went above and beyond for me and my family during a very difficult legal battle. We couldn't have done it without their c...

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Kelvin West

Feb 04, 2026

Five stars for the incredible team at Mario H. Nguyen in Los Angeles - they are amazing

Best lawyer for Criminal Defense: White-Collar law in Los Angeles. Period. I've seen others, but Mario H. Nguyen is on another level. They truly care about their clients and work hard to get the best...