James H. "Sully" Sullivan

David Otero’s national practice focuses on bankruptcy and tax litigation and counseling. A partner in both the Tax and Bankruptcy & Reorganization Practice Groups, his clients include Citigroup, Capital One, Nissan, Santander Bank, Sears, Synchrony Financial, U.S. Bank, Venus Fashion, and professional athletes. In his tax practice, David advises multistate businesses on state and local tax controversy matters throughout the United States. He represents institutions financing both cr...

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

Tim is the head of the firm’s Environmental Department. His practice focuses primarily on federal state and local environmental law. He has extensive experience representing clients before federal and state agencies, and in state and federal court on matters including the cleanup and cost allocation of Superfund sites, enforcement of environmental laws and regulations, and disputes with insurance companies regarding environmental indemnification. Tim also provides counsel regarding envi...

Brian J. Aull is a partner in the Jacksonville office. He practices in all phases of civil litigation, including personal injury litigation, construction litigation, employment and labor, insurance coverage and carrier representation, trucking/transportation and professional liability litigation. Prior to joining Cole, Scott & Kissane, Mr. Aull practiced as an Assistant State Attorney, in the Fourth Judicial Circuit of Florida, where he was a member of the Homicide/Major Crimes Division a...

Sami R. Achem, Jr. practices in the area of general defense litigation, with an emphasis upon complex litigation involving premises liability, automobile negligence, products liability, trucking/transportation, indemnification disputes, insurance disputes, Lemon Law litigation, landlord/tenant litigation, and negligent security. Mr. Achem has been recognized by Best Lawyers of America since 2023. He was also elected to Florida Super Lawyers as a Rising Star for 2017-2021. He is as an AV Preem...

Mr. Diebenow is a partner at the firm. His primary focus is real estate, land use, zoning, and government law. As a registered lobbyist across a wide range of issues, Mr. Diebenow represents individuals, corporations, landowners and developers to secure business and development incentives as well as entitlements including land use, zoning, concurrency and mobility fee approvals. He also provides legal counsel in real estate transactions including the acquisition, entitlement, financing, and d...

Kenneth A. Tomchin has over 30 years of litigation experience. Upon graduating law school, Ken joined the law firm of Mahoney, Adams & Criser, where he represented a wide variety of businesses of various sizes with their commercial litigation needs. After making shareholder, Ken continued his practice before founding Tomchin & Odom, P.A. in the spring of 1997. Ken joined Taylor, Day, Grimm & Boyd in the fall of 2019. He now focuses his practice on complex litigation matters. Ken i...

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

Michael McCoy is a top attorney recognized by Best Lawyers in the practice area(s) of Personal Injury Litigation - Defendants. Michael, who practices law in Jacksonville, Florida, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Michael is held by other top lawyers in the same geographic and legal practice area.

William E. Kuntz is a top attorney recognized by Best Lawyers in the practice area(s) of Medical Malpractice Law - Defendants and Personal Injury Litigation - Defendants. William E., who practices law in Jacksonville, Florida, has been recognized since 2006. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which William E. is held by other top lawyers in the same geographic and legal practice area.