Mike Stag

Practice Areas
  • Environmental Pollution
  • Mineral Royalty Disputes
  • Radioactive and Hazardous Materials Exposure
  • Defective Pharmaceuticals
  • Harmful Medical Devices
  • Personal Injury and Wrongful Death
  • B.B.A. Finance, Minor Psychology, Loyola University, New Orleans, Louisiana
  • Masters in Business Administration, Loyola University, New Orleans, Louisiana
  • Juris Doctorate, Loyola University, New Orleans, Louisiana

Last Updated: May 15, 2024

Michael G. Stag, Esq. is King Law’s litigation partner on AFFF and PFAS cases. Mr. Stag is the managing partner of Stag Liuzza a leading environmental law firm, Located in New Orleans, LA. Mike is one of the few lawyers with a verdict of over a billion dollars in a single case. Mike achieved the feat in Grefer v. Exxon, et al. He is a leader in the field of Technologically Enhanced Naturally Occurring Radioactive Material litigation. He is a former law clerk in Civil District Court in New Orleans. He was a lawyer in the Deepwater Horizon oil spill.

Mr. Stag is a leader in PFAS and AFFF litigation. He is an executive committee member of MDL 2873 In re: Aqueous Film-Forming Foam, United States District Court, District of South Carolina. Mr. Stag represents thousands of firefighters that suffer because of AFFF exposure and municipalities around the United States with PFAS in their water supply.


  • AV Preeminent Peer Review Rating with Martindale Hubbell; AV Preeminent® is a
    significant rating accomplishment – a testament to the fact that a lawyer’s peers rank him
    or her at the highest level of professional excellence.
  • Lawyers Weekly Top 10 Jury Verdicts of 2001: 2nd Highest, Grefer v. Alpha Technical.
    A six-week trial resulted in a $1,056,000,000 verdict against Exxon Mobil in favor of
    four property owners who leased property to an oil field services company, which
    performed services for Exxon Mobil. The plaintiffs proved that Exxon had knowingly
    sent radioactive contaminated pipe and equipment to the property for service and storage,
    which resulted in extensive contamination of the property. This is the highest jury award
    on record for an individual property owner.
  • National Trial Lawyers Top 100 Civil Plaintiff Lawyers 2017
  • New Orleans Magazine Top Lawyers in the New Orleans Area
  • Times-Picayune Louisiana Top Lawyers in Recognition for Excellence and Achievement
  • New Orleans City Business Leadership in Law Class 2017


In re: National Prescription Opiate Litigation: Mr. Stag’s litigation team represents 60+ governmental entities in Louisiana, Mississippi, and Kentucky, including parishes, counties, municipalities, and sheriff’s offices against Opioid manufacturers and distributors.

Shannan Wheeler et al. v. Arkema France S.A., et al. (U.S.D.C. S.D. TX): Retained by 900+ residents affected by the chemical explosion and subsequent fire that occurred at the Arkema facility in Crosby, TX, in the aftermath of Hurricane Harvey in August 2017. Class certification was granted by the District Court. Mr. Stag and his firm were
appointed class counsel and are currently prosecuting the case as a class action on behalf of over 20,000 members.

MDL In re: Aqueous Film-Forming Foams Products Liability Litigation: Represents 1000+ individuals, including former fire-fighters and military personnel who were injured as a result of exposure to Aqueous Film Forming Foam used in fire management. Mr. Stag was also appointed to the Plaintiff Executive Committee for this MDL. In addition to representing individuals, Mr. Stag is pursuing the representation of municipalities which discovered damage to their aquifers due to the use of the Aqueous Film Forming Foam.


  • Louisiana State Bar Association.
  • American Bar Association.
  • U.S. District Court, Eastern, Western, and Middle Districts of Louisiana.
  • Admitted to U.S. District Court, Western District of Louisiana.
  • American Trial Lawyers Association, Member of Section on Toxic, Environmental and Pharmaceutical Torts Litigation.
  • American Association of Justice
  • Louisiana Association for Justice (Council Director 2006 – 2007, Executive Committee 2007 – 2008, Council of Directors 2008 – present, Section Chair, Business Torts 2011 –2012)