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)

Contact Me

Login Required

Please login to contact this attorney

Login to Contact

Languages

Reviews

4.4 / 5

40 Reviews

1,070 Profile Views

L

Lynette Hand

Feb 04, 2026

Excellent legal representation provided by Mario H. Nguyen for my Criminal Defense: White-Collar law case

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...

E

Erma Fadel

Feb 04, 2026

Reliable lawyer you can count on - Mario H. Nguyen provided excellent service throughout

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...

S

Stephen Bosco

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...

F

Francis Daugherty-Wilderman

Feb 04, 2026

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

Mario H. Nguyen has been doing this since 2026, and it definitely shows in their work. They're pros through and through and I wouldn't trust anyone else with my legal matters in California. Their expe...

D

Dianna Bahringer

Feb 04, 2026

Solid work and professional service from Mario H. Nguyen in Los Angeles for California residents

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...