Atty. David Louis Mannix

Atty. David Louis Mannix

David Louis Mannix is a lawyer practicing labor and employment, discrimination, education & school law and 5 other areas of law. David received a B.A. degree from Miami University, and has been licensed for 19 years.

Chesterfield Chesterfield 19 yrs experience 19 year
Call (314) 860-8445 Book Appointment

Profile Summary

About David Louis Mannix at a glance

David Louis Mannix is an Associate based in Chesterfield, Missouri, practicing at Guin Martin Mundorf, LLC. They have 19+ years of legal experience, licensed to practice since 2007. Their practice focuses on wrongful termination, sexual harassment, employment, ssd, and securities. Admitted to practice in Illinois (2007) and Missouri (2008). Educated at St. Louis University School of Law (J.D., 2007) and Miami University B.A. (—). Serands clients in Chesterfield, MO and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • David Louis Mannix is a lawyer practicing labor and employment, discrimination, education & school law and 5 other areas of law
  • David received a B.A. degree from Miami University, and has been licensed for 19 years
  • David practices at Guin Martin Mundorf, LLC in Chesterfield, MO and 1 other location

Practice Areas Explained

David Louis Mannix's Areas of Practice

Each practice area below reflects the types of cases David Louis Mannix handles, with a brief overview of what that area of law covers.

Wrongful Termination

David Louis Mannix is one of 6,921 wrongful termination attorneys indexed nationally. Browse wrongful termination attorneys in Missouri →

Sexual Harassment

David Louis Mannix is one of 6,021 sexual harassment attorneys indexed nationally. Browse sexual harassment attorneys in Missouri →

Employment Law

Employment lawyers represent workers in wrongful termination, discrimination, harassment, wage & hour disputes, and severance negotiations.

David Louis Mannix is one of 169,120 employment attorneys indexed nationally. Browse employment attorneys in Missouri →

Social Security Disability

SSDI and SSI attorneys for disability claims, denied benefits, and Social Security appeals.

David Louis Mannix is one of 26,532 ssd attorneys indexed nationally. Browse ssd attorneys in Missouri →

Securities Law

David Louis Mannix is one of 64,529 securities attorneys indexed nationally. Browse securities attorneys in Missouri →

Jurisdictional Context

Why local counsel matters in Missouri

Practicing law in Missouri. Legal matters in Missouri are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in Chesterfield are typically filed in the local municipal court or the appropriate Missouri state district court, depending on subject matter and amount in controversy. An attorney licensed in Missouri brings working knowledge of local procedural deadlines, judicial practices in this andnue, and the substantive law that applies to cases brought here. Out-of-state attorneys generally cannot represent clients in Missouri courts without local counsel or pro hac vice admission.

Looking for additional Missouri attorneys? Browse all attorneys in Chesterfield or all attorneys in Missouri.

Frequently Asked

Common questions about David Louis Mannix

Where is David Louis Mannix's law office located?
David Louis Mannix's law practice is located in Chesterfield, Missouri. The firm is Guin Martin Mundorf, LLC. You can contact the office directly through this profile page.
What practice areas does David Louis Mannix handle?
David Louis Mannix focuses on wrongful termination, sexual harassment, employment, ssd, securities. Each practice area listed reflects experience handling cases of that type in Missouri.
How long has David Louis Mannix practiced law?
David Louis Mannix has 19+ years of legal experience and has been licensed since 2007.
Where did David Louis Mannix go to law school?
David Louis Mannix earned their education at (J.D., 2007); (—).
How can I contact David Louis Mannix for a consultation?
You can contact David Louis Mannix directly through this profile page. Click "Ask the Attorney" to submit a question, or "Schedule a Consultation" to book a meeting. Most claimed-profile attorneys respond within one business day.

Education

J.D.
St. Louis University School of Law
- 2007
Miami University B.A.
- In Progress

Bar Admissions

Illinois
Admitted: 2007
Missouri
Admitted: 2008

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