William D. "Bill" Preston

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...

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...

Chris Barkas is a shareholder in Carr Allison’s Tallahassee, Florida office where his practice focuses primarily on the defense of commercial vehicle claims, employment-related claims, professional liability claims and retail/premises liability claims. An AV-rated attorney through Martindale-Hubbell, Chris has practiced law in the North Florida area for more than 20 years and has conducted jury trials in many of the counties in the area. In the early part of his career, Chris was an Ass...

Steve Griffin facilitates infrastructure initiatives across the United States. He works with investor-owned electric utilities, independent power producers, energy developers and energy services contractors to structure contracts and implement large-scale energy projects. With more than 20 years of experience in the electrical energy sector, Steve has a comprehensive understanding of the business and legal landscape. He provides clients with practical, efficient and business-oriented advice. ...

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...

D. Bruce May Jr. heads the firm’s Public Utility practice. For more than 28 years, he has been actively involved before the Florida Public Service Commission and other regulatory agencies on a variety of matters relating to electric, natural gas, water and wastewater utilities. He is also active in legislative matters involving public utility, energy and environmental law issues. Mr. May’s electric and natural gas utility experience includes: representation of utilities in contest...

Robert Volpe is a top attorney recognized by Best Lawyers in the practice area(s) of Land Use and Zoning Law and Real Estate Law. Robert, who practices law in Tallahassee, Florida, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Robert is held by other top lawyers in the same geographic and legal practice area.

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.

Mike Papantonio is a senior partner with the law firm of Levin Papantonio. He has received numerous multi-million dollar verdicts on behalf of victims of corporate malfeasance. His award-winning work handling thousands of mass tort cases throughout the nation has helped make Levin Papantonio one of the largest plaintiff law firms in the country. Mr. Papantonio is a Board Certified Civil Trial Lawyer by the Florida Bar and the National Board of Trial Advocacy. He is a fellow in the Internation...

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 ...