W. Robert "Rob" Vezina III

Michael J. Cherniga is Co-Chair of the firm's Health & FDA Business Practice. On a regional and national basis, Mike's practice involves representation of a diverse client base consisting of health care organizations (and clients which support the business of health care), both for-profit and not-for-profit. He also has substantial experience serving health care professionals and allied health care personnel who serve or support those organizations. The types of clients involved in the bu...

Emanuella Paulos is a lawyer recognized by Best Lawyers in the practice areas of Personal Injury Litigation - Plaintiffs and Product Liability Litigation - Plaintiffs. Emanuella practices law in Pensacola, Florida Best Lawyers has recognized Emanuella Paulos since 2025. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Emanuella Paulos is held by other lawyers.

Peter Mougey is a shareholder and the Chair of Levin Papantonio’s Securities and Business Litigation department. He concentrates his practice in the areas of complex litigation, financial services, and securities litigation, and whistleblower or qui tam litigation. Mr. Mougey has been recognized as one of Florida’s top 100 trial lawyers and a Florida Super Lawyer and has dedicated his career to championing individuals’ rights against the world’s largest companies. His ...

Karen D. Walker serves as executive partner of the Tallahassee office and practices in the firm’s Public Policy & Regulation Group. Ms. Walker’s practice encompasses all aspects of Florida administrative law, and she has a broad range of experience in Florida state and local government procurement matters and public utility law. Ms. Walker also regularly counsels clients on Florida ethics and election law issues. She practices before the Florida Division of Administrative Hear...

Shannon B. Hartsfield helps healthcare organizations navigate complex regulatory challenges with practical, business-focused legal solutions. Ms. Hartsfield serves as the executive partner of Holland & Knight's Tallahassee office, and she is Board Certified in Health Law by The Florida Bar Board of Legal Specialization and Education. Her practice focuses on the intersection of healthcare delivery and regulation, with a particular emphasis on compliance, technology, digital health and priv...

Jason E. Merritt is a lawyer recognized by Best Lawyers in the practice area of Public Finance Law. Jason E. practices law in Tallahassee, Florida Best Lawyers has recognized Jason E. Merritt since 2023. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Jason E. Merritt is held by other lawyers.

John K. Londot is a lawyer recognized by Best Lawyers in the practice areas of Administrative / Regulatory Law and Commercial Litigation. John K. practices law in Tallahassee, Florida Best Lawyers has recognized John K. Londot since 2023. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which John K. Londot is held by other lawyers.

Brian Barr is President and a shareholder at Levin Papantonio. He litigates pharmaceutical, environmental, mass tort and personal injury cases throughout the country. Mr. Barr has been appointed to leadership in many of the largest mass tort cases in the country. Mr. Barr is presently serving as co-liaison counsel and a member of the Plaintiffs’ Executive Committee in the 3M Combat Arms Earplugs Litigation (MDL 2885) presently pending in the Northern District of Florida before the Honor...

David C. Ashburn represents a diverse array of clients in their dealings with numerous state and federal regulatory agencies. David’s understanding of governmental regulatory processes has also enabled him to provide counsel to buyers and sellers of health care related businesses, and to lenders and private equity groups that finance those transactions. The many types of health care, managed care and insurance related clients David has represented include the following: Ambulatory surge...

Jonathan P. Steverson is a lawyer recognized by Best Lawyers in the practice area of Natural Resources Law. Jonathan P. practices law in Tallahassee, Florida Best Lawyers has recognized Jonathan P. Steverson since 2024. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Jonathan P. Steverson is held by other lawyers.