Victor L. Marcello

Katie Mannino serves her clients best when in the courtroom. As an experienced litigator, Katie is no stranger to the trials of health care, labor and employment, and general business-related court cases. Her passion for going before a judge is demonstrated in her experience representing insurers and managed care entities in various litigation issues. She also has represented hospitals and other health care providers in medical staff governance issues and peer review and credentialing matters...

Kevin Welsh practices in the areas of insurance, reinsurance and litigation. He has represented clients in a range of litigation matters including professional liability claims, commercial class actions, education law, real property disputes and casualty litigation. Outside of litigation, Kevin has assisted clients in regulated industries by preparing draft legislation in support of broader, successful legislative lobbying efforts.

Gibbons Addison is a partner in the Litigation Practice Group. He represents clients in all phases of litigation and alternative dispute resolution. Gibbons litigates in state and federal courts across Louisiana and Texas. He represents individuals and businesses, from local organizations to Fortune 250 companies, in commercial, real estate, property damage, construction, employment, personal injury, intellectual property, environmental, oil and gas, and successions, trust, and estate litigat...

Kari A. Bergeron is a top attorney recognized by Best Lawyers in the practice area(s) of Insurance Law. Kari A., who practices law in Baton Rouge, Louisiana, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Kari A. is held by other top lawyers in the same geographic and legal practice area.

Dionne Rousseau is a partner in the Corporate Practice Group. She provides corporate finance, securities, mergers and acquisitions, and other transaction and corporate counsel to public and private entities. Dionne has served as lead outside corporate and securities counsel for 12 public companies and as boardroom lawyer for four of these entities. With more than 25 years of experience handling corporate finance and mergers and acquisitions transactions, she has led client service teams and d...

Erik Piazza practices in the area of real estate and business. He represents a variety of commercial, residential, and mixed use developers. His practice is primarily focused on real estate matters, including commercial and residential developments, commercial leases, banking/financing, planning and zoning, condominium regimes and other commercial transactions.

Charles McCowan is a founding member of Kean Miller and has more than 55 years of experience representing local, regional, national, and international petrochemical, industrial, healthcare, and corporate clients. Based in Baton Rouge, Louisiana, his practice focuses on defending complex litigation matters in state and federal courts. Mr. McCowan regularly represents defendants in Mass Tort Litigation and Class Actions, as well as Personal Injury Litigation involving alleged toxic exposure, in...

Errol J. King Jr. is a member of the Health Law Group in the Firm's Baton Rouge office. He focuses his practice primarily in the representation of managed care organizations, having been appointed in April 1996 by Louisiana's Commissioner of Insurance to serve as general counsel and an initial member of the Louisiana Managed Health Care Advisory Board, which advises the commissioner on managed care issues impacting the state of Louisiana. He has been listed in The Best Lawyers in America®...

Michael Victorian practices in the areas of labor and employment and commercial litigation. His employment litigation practice involves representation of employers in all aspects of litigation and administrative proceedings involving claims of discrimination, harassment, retaliation, wrongful termination, family and medical leave, fair labor standards, and wage and hour disputes. Mr. Victorian’s commercial litigation practice involves representing clients in education and health care. M...

As a Board-Certified Health Law specialist, Scott represents hospitals and health systems, single- and multi-specialty physician practices, pharmacies and other health care providers in federal and state health law regulatory, operational, transactional and litigation matters. Scott also represents clients in certain complex commercial litigation matters.