Lewis O. Unglesby

Heather Sharp is a top attorney recognized by Best Lawyers in the practice area(s) of Insurance Law. Heather, who practices law in Baton Rouge, Louisiana, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Heather is held by other top lawyers in the same geographic and legal practice area.

Lee is a member of Butler Snow’s Business Services Group.

Jack is a member of Butler Snow’s Labor and Employment Group.

Pam Mascari is a state and federal court litigator, trial advocate, and regulatory advisor who represents clients in high-stakes environmental and energy-related disputes in Louisiana and beyond. Based in Baton Rouge, Louisiana, she works with energy , petrochemical, and manufacturing companies on complex litigation involving property contamination , environmental claims, and related business risks. Her practice regularly involves litigation strategy and case management before Louisiana state...

Andy St. Romain is a partner in the Corporate Practice Group and maintains an active practice advising clients on a variety of residential, commercial, and industrial real estate matters. Andy handles matters related to oil and gas leasing and infrastructure, mixed-use, and other retail development. He regularly drafts and negotiates purchase, lease, development, and financing agreements, conducts title examinations for issuance of owner and loan title insurance policies, and has been involve...

Dennis Blunt practices in the area of commercial litigation, with a focus on business disputes including business torts and insurance company solvency and regulation. He is an experienced trial litigator having represented plaintiffs, defendants, and regulators across a wide spectrum of industries including education, public utilities, health care, state and municipal government, insurance, and financial institutions on a regional and national basis. He has tried matters involving corporate g...

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.

Marc S. Whitfield is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Intellectual Property. Marc S., who practices law in Baton Rouge, Louisiana, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Marc S. is held by other top lawyers in the same geographic and legal practice area.

James R. “Sonny” Chastain is a commercial litigator and business advisor with Kean Miller in Baton Rouge, Louisiana. He represents businesses and individuals in complex federal and state court matters and provides counsel on the ownership, protection, and enforcement of intellectual property assets. His practice includes Commercial Litigation, Trademark Law, and Venture Capital Law. Sonny handles a wide range of commercial disputes, including contract negotiation and litigation, b...

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...