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

1,069 Profile Views

J

Justin Morar

Feb 04, 2026

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

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...

S

Salvatore Hyatt

Feb 04, 2026

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

I was really stressed about my case in Los Angeles, but Mario H. Nguyen made everything so smooth and stress-free. Seriously, the best decision I've made lately was hiring them. They handled every det...

M

Martin Kuhn

Feb 04, 2026

Would recommend Mario H. Nguyen for sure to anyone in Los Angeles needing legal help

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...

M

Marcos O'Kon

Feb 04, 2026

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

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...

T

Timothy Okuneva

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

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...