Thierry Marceaux

Attorney Profile Photo

Biography Overview

Thierry A. Marceaux is a trial lawyer who understands how to maximize recoveries for clients who were seriously injured. Mr. Marceaux handles all types of personal injury cases, including those involving commercial trucks and other motor vehicles, pedestrian accidents, premises liability, and wrongful death.

Prior to joining Morgan & Morgan, Mr. Marceaux worked as an trial attorney at one of Southeast Louisiana’s premiere personal injury firms, where he represented hundreds of individuals in personal injury cases. Mr. Marceaux then worked at one of Georgia's largest civil defense firms, where he represented healthcare providers and medical professionals in complex medical professional liability actions. Using his experience as a member of both the Plaintiffs' and defense bar, Mr. Marceaux brings a unique perspective to his clients and the attorneys he works with. He is very adept at guiding clients through the entire legal process, seeing the issues from 360 degrees.

A native of New Orleans, Thierry received his bachelor’s degree from Louisiana State University. He later obtained his law degree from Loyola University New Orleans College of Law. During law school, Thierry was a member of Loyola’s Trial Advocacy program, where he competed in nationally and served on the program's executive board.

When not at work, Thierry enjoys traveling, playing golf, and spending time with his wife Annabelle and their dog Comet.

Practice Areas

Practice Areas (Pa hub, spoke, local)


  • Louisiana State University (2011)
  • Loyola University New Orleans College of Law (2016)


  • Louisiana State Bar Association
  • State Bar of Georgia

Bar Admission

Bar Admission
  • Louisiana (2017)
  • U.S. District Court for the Eastern District of Louisiana (2018)
  • U.S. District Court for the Middle District of Louisiana (2018)
  • U.S. District Court for the Western District of Louisiana (2018)
  • Georgia (2022)