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

1,064 Profile Views

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Billie Hodkiewicz

Feb 04, 2026

Outstanding experience with Mario H. Nguyen in Los Angeles - truly the best legal team

If you're looking for someone who actually cares and will fight for you, go to Mario H. Nguyen. They helped me out big time with my Criminal Defense: White-Collar law issue and kept me informed at eve...

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Eula Raynor

Feb 04, 2026

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

Honestly, I can't thank Mario H. Nguyen enough for everything they've done for me. They really know their stuff when it comes to Criminal Defense: White-Collar law and it shows in the results. 10/10 w...

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Benjamin Kunde-Hand

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

If you're looking for someone who actually cares and will fight for you, go to Mario H. Nguyen. They helped me out big time with my Criminal Defense: White-Collar law issue and kept me informed at eve...

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Raul Haley

Feb 04, 2026

A huge weight off my shoulders thanks to the amazing work of Mario H. Nguyen

I've already told all my friends and family about Mario H. Nguyen. If you need Criminal Defense: White-Collar law help in California, they're the ones to see without any doubt. They are local experts...

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Edith Veum

Feb 04, 2026

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

Super helpful and professional staff at Mario H. Nguyen's office. Thanks again for everything you did for me! It was a long journey, but you made it much easier with your constant support and legal ex...