Mark C. Johnson

Mark C. Johnson

Mark is an attorney at Brown & Crouppen, where he represents individuals that have been injured through the carelessness or negligence of others. Since joining Brown & Crouppen in 2017, Mark has represented individuals in a variety of personal injury cases and has successfully negotiated multiple six-figure settlements for clients with significant and long-lasting injuries. Before joining Brown & Crouppen, he practiced law in Baton Rouge, Louisiana, where he gained considerable experience representing individuals and families in cases involving car accidents, dog bites, and slip and fall accidents.

Mark is licensed to practice in Missouri, Illinois, and Louisiana. He received his law degree from the LSU Paul M. Hebert Law Center in Baton Rouge, Louisiana. Prior to law school, he graduated from Louisiana State University with a Bachelor of Arts degree in Political Science. Mark also worked in state and local politics in Louisiana.

When not practicing law, Mark enjoys spending time with his wife, children, and two dogs.

Areas of practice


  • LSU Paul M. Hebert Law Center — Baton Rouge, Louisiana
    Juris Doctor, 2015
  • Louisiana State University — Baton Rouge, Louisiana
    Bachelor of Arts, Political Science, 2008

Professional Associations and Memberships

  • Missouri Association of Trial Lawyers
  • American Association for Justice
  • Illinois Trial Lawyers Association
  • Bar Association of Metropolitan St. Louis
  • American Bar Association
  • Federal Bar Association

Contact Mark

Location: St. Louis, Missouri

Phone: 800-536-4357

Fax: 314-421-0359

Email: Email Mark

Get the expertise and experience you need

Working with an experienced attorney like Mark is simple. Call us at 800-536-4357 for a free consultation, or tell us about your case with our Free Case Review form. And remember, there’s no upfront cost to you — if you don’t get paid, we don’t get paid.

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