Michael J. O'Brien

Michael J. O'Brien

Jones Walker LLP

Recognized since 2021

New Orleans, Louisiana

Practice Areas

Criminal Defense: White-Collar

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Michael J. O’Brien is an associate in the Litigation Practice Group and a member of the corporate compliance and white collar defense team. Michael’s practice involves antitrust class actions, white collar criminal defense, False Claims Act litigation, internal and government investigations, and appellate litigation, as well as commercial, health care, and securities litigation. Michael was the valedictorian of his graduating class at the University of Notre Dame. He was included on the dean’s list every semester, and was a Rhodes Scholarship finalist, the recipient of the McCullough Scholarship in Government, and editor-in-chief of Beyond Politics: Undergraduate Journal of Politics. Michael attended The University of Chicago Law School, and served as a judicial extern for the Hon. Philip P. Simon of the US District Court for the Northern District of Indiana. He was the recipient of the David M. Rubenstein full-tuition merit scholarship and served as comments editor of The University of Chicago Law Review.After earning his law degree and before entering private practice, Michael completed a fellowship at the Policy Division of the Illinois Attorney General’s Office, where he led research efforts and legal briefings for a task force devoted to improving the treatment, investigation, and prosecution of sexual assaults in Illinois. He subsequently served as a law clerk to the Hon. Thomas M. Hardiman of the US Court of Appeals for the Third Circuit. Immediately before joining Jones Walker, Michael worked as a litigation associate at the Chicago office of a large international law firm.


  • 201 Saint Charles Avenue
    New Orleans, LA 70170-5100


  • University of Chicago Law School , J.D., graduated 2015
  • University of Notre Dame, B.A., graduated 2012

Bar Admissions

  • Illinois, IL
  • Louisiana, LA


  • Federal Bar Association - Member
  • Marmion Academy Alumni Association - Member
  • Young Leadership Council - Member

Court Admissions

  • US District Court for the Northern District of Illinois

Jones Walker LLP
Headquarters: New Orleans, Louisiana

130 The Best Lawyers in America® awards

31 Best Lawyers: Ones to Watch in America awards

Full Firm Profile

Recognized in Best Lawyers: Ones to Watch in America 2022 for work in:

  • Criminal Defense: White-Collar

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