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

1,071 Profile Views

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Marilyn Lebsack

Feb 04, 2026

Professional service and clear communication provided by Mario H. Nguyen in Los Angeles

I appreciate how Mario H. Nguyen handled my case. No fluff, just straight to the point and very effective representation for my Criminal Defense: White-Collar law matter. They are obviously very exper...

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Jana Legros

Feb 04, 2026

Absolutely Great! I couldn't be happier with the service from Mario H. Nguyen

Really glad I found Mario H. Nguyen for my case. They were a huge help and made everything understandable. I was very impressed with their knowledge and how they handled the opposition. If you're in C...

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Brett Hessel

Feb 04, 2026

Mario H. Nguyen did a great job handling my complex Criminal Defense: White-Collar law case from start to finish

Solid experience overall with the law firm of Mario H. Nguyen. They know Criminal Defense: White-Collar law inside and out and gave me great advice. Very helpful and got the job done exactly as they s...

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Angelo Goodwin

Feb 04, 2026

So glad I called Mario H. Nguyen to handle my Criminal Defense: White-Collar law case in Los Angeles

I wasn't sure who to call for my Criminal Defense: White-Collar law problem, but I'm so glad I went with Mario H. Nguyen. They really listened to me and understood my situation. It was such a relief t...

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Clyde Murphy

Feb 04, 2026

The absolute best in Los Angeles for Criminal Defense: White-Collar law - and I mean that from the bottom of my heart

I didn't think I'd find such a good lawyer in California, but here we are and I am thoroughly impressed. Mario H. Nguyen is just awesome and exceeded all my expectations. No complaints at all! They re...