Mark Herron

Levin Papantonio shareholder Timothy O'Brien is a board-certified civil trial attorney who concentrates his practice in the areas of mass tort litigation, product liability, personal injury, wrongful death, and transactional liability. Mr. O'Brien is rated "A-V Preeminent" by the prestigious Martindale-Hubbell lawyer peer-rating service (the "A-V Preeminent" rating is the highest rating an attorney can receive). In September 2018, Mr. O’Brien was appointed by the United States Southern ...

Shannon Hartsfield Salimone is the regulatory and litigation leader of the firm's Healthcare & Life Sciences Team and co-chair of the Data Privacy and Security Team. She practices in the area of health law, advising clients on state and federal healthcare regulatory matters, including corporate and regulatory compliance, data privacy, licensure, prescription drug distribution and pharmaceutical pedigree requirements and telemedicine. Ms. Salimone's clients include assisted living faciliti...

Rachael Gilmer is a top attorney recognized by Best Lawyers in the practice area(s) of Personal Injury Litigation - Plaintiffs. Rachael, who practices law in Pensacola, Florida, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Rachael is held by other top lawyers in the same geographic and legal practice area.

Lawrence E. Sellers Jr. practices administrative and governmental law, with a concentration in environmental and land use matters. He regularly provides advice on permitting and enforcement matters involving a variety of federal, state, regional and local administrative agencies. He has substantial experience in administrative law, including rulemaking, adjudicatory hearings and appellate review. For more than 25 years, he has represented clients before the Florida Legislature, primarily on e...

Seann Frazier knows the way through the morass of state regulation in Florida. Over the course of this 25-year career he has guided clients through all manner of regulatory and litigation matters involving Florida state government. His creativity and encyclopedic knowledge of Florida administrative law positions his clients exceedingly well in their dealings with the state. A past Chair of the Florida Bar's Administrative Law Section, Seann has focused his practice and professional activities...

Jonathan P. Steverson is a top attorney recognized by Best Lawyers in the practice area(s) of Natural Resources Law. Jonathan P., who practices law in Tallahassee, Florida, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Jonathan P. is held by other top lawyers in the same geographic and legal practice area.

Hayden R. Dempsey is a top attorney recognized by Best Lawyers in the practice area(s) of Administrative / Regulatory Law and Government Relations Practice. Hayden R., who practices law in Tallahassee, Florida, has been recognized since 2007. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Hayden R. is held by other top lawyers in the same geographic and legal practice area.

Thomas F. Gonzalez is a top attorney recognized by Best Lawyers in the practice area(s) of Aviation Law, Medical Malpractice Law - Defendants and Personal Injury Litigation - Plaintiffs. Thomas F., who practices law in Pensacola, Florida, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Thomas F. is held by other top lawyers in the same geographic and legal practice area.

Marlin K. Green is a top attorney recognized by Best Lawyers in the practice area(s) of Admiralty and Maritime Law and Insurance Law. Marlin K., who practices law in Miramar, Florida, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Marlin K. is held by other top lawyers in the same geographic and legal practice area.

Brian A. Crumbaker is a top attorney recognized by Best Lawyers in the practice area(s) of Public Finance Law. Brian A., who practices law in Tallahassee, Florida, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Brian A. is held by other top lawyers in the same geographic and legal practice area.