Mr. Segrist has extensive experience in advising both businesses and individuals in a wide array of commercial transactional and litigation matters.  He has represented individual and corporate clients in complex commercial litigation, banking and lender liability cases, bankruptcy proceedings, insurance disputes, mass tort actions, construction disputes, environmental litigation, and fraud actions.  

He brings this experience to bear on his transactional practice, where he represents business owners in purchase and sale transactions and contractual negotiations, in addition to providing general business advice.  He has extensive experience representing medical, orthodontic, and dental practices in a wide array of litigation and transactional matters, including assisting clients in buying or selling their practices.  

Mr. Segrist has been selected as a Super Lawyers Rising Star in 2020, 2021, 2022, and 2023.  He attended Loyola University New Orleans College of Law, where he was a William L. Crowe scholar, graduated magna cum laude and served as Editor-in-Chief of the Loyola Law Review.  Following law school, he clerked in the United States District Court for the Western District of Louisiana.

Peter is a native of St. Louis, Missouri, and graduated from Tulane University with dual Bachelor’s degrees in Cell and Molecular Biology and English.  



  • Loyola University, JD, magna cum laude, Law Review, Editor-in-Chief 
  • Tulane University, New Orleans, LA B.S. (Major: Cell & Molecular Biology; English)


  • Louisiana 
  • U.S. Court of Appeals for the Fifth Circuit
  • U.S. District Court for the Eastern District of Louisiana
  • U.S. District Court for the Western District of Louisiana


  • Super Lawyers Rising Star in Business Litigation
  • Editor-in-Chief, Loyola Law Review, 2012-2013
  • First Amendment Moot Court Competition, Semifinalist, Runner-Up, Best Brief, 2012
  • Loyola Moot Court Member and Competition Finalist
  • William L. Crowe Scholar
  • Law Excellence Awards: Constitutional Law; Business Organizations; Courts in a Federal System, Western Legal Tradition; Legal Profession; Consolidated Legal Analysis; and Law of International Armed Conflicts
  • Warren E. Mouledoux Professional Responsibility Award
  • Louisiana Association of Corporate Counsel Award


  • American Bar Association
  • Louisiana State Bar Association
  • Bar Association of the Fifth Federal Circuit
  • Louisiana Law Institute's Lease of Movables Committee
  • Thomas More Inn of Court
  • Tulane Moot Court Program, Guest Judge
  • Loyola Moot Court Program, Guest Judge

recent publications

  • The Gradual, Constitutional Erosion of Intentional Infliction of Emotional Distress, and Why the Supreme Court Made the Right Call in Snyder v. Phelps, 57 Loy. L. Rev. 899 (2011)
  • How the Rise of Big Data and Predictive Analytics Are Changing the Attorney's Duty of Competence, 16 N.C. J.L. & Tech. 527 (2015)
  • Peter J. Segrist and Melissa R. Harris, "The Latest E-Discovery Precautions, Risks, and Advice,” NBI CLE Program, June 16, 2017.
  • Peter J. Segrist and Melissa R. Harris, “The Courts Speak,” NBI CLE Program, June 16, 2017.