Chanley T. Howell

John Marino is a litigation attorney with Rivkin Radler LLP in Jacksonville, Florida, focusing his practice on Commercial Litigation and Litigation - Insurance. He represents clients in class actions and complex commercial disputes involving insurance matters, deceptive business practices, and consumer fraud. His work includes matters pending in both federal and state courts. John has served as lead counsel in class actions and other complex litigation across numerous jurisdictions, including...

Michael R. Leas is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Law, Employee Benefits (ERISA) Law and Tax Law. Michael R., who practices law in Jacksonville, Florida, has been recognized since 2013. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Michael R. is held by other top lawyers in the same geographic and legal practice area.

Sarah Baggett is on speed dial for clients facing complex legal issues in bad faith, cybersecurity, liability, and regulatory and compliance. She has litigated and tried cases across Florida, beginning her career in liability defense, including her first trials. Sarah now focuses on developing and overseeing strategies for both litigation and compliance, with a specialty in platform-based businesses. Many of her clients—individuals and businesses—are long-term relationships built ...

Ivan A. Colao practices in the area of corporate and securities laws, as well as in mergers and acquisitions, venture capital investments and loan transactions. Mr. Colao has represented public and private companies, businesses and individuals in various types of financings and commercial transactions. His experience includes securities offerings, corporate acquisitions, dispositions, mergers, reorganizations, syndication and finance, asset acquisitions and dispositions, venture capital inves...

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...

Sean Mulhall is a Partner in the Jacksonville office. Mr. Mulhall has twenty five years of experience defending clients in civil litigation. He has represented clients in state and federal trial courts throughout the State of Florida during his career, and has handled appeals in Florida and Federal appellate courts. Mr. Mulhall is a member of the Florida Bar, and is admitted to the Supreme Court of the United States, the Eleventh Circuit Court of Appeals, all of Florida’s federal distri...

Amanda L. Kidd is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Insurance. Amanda L., 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 Amanda L. is held by other top lawyers in the same geographic and legal practice area.

Kelly L. Hellmuth is a top attorney recognized by Best Lawyers in the practice area(s) of Nonprofit / Charities Law. Kelly L., who practices law in Jacksonville, Florida, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Kelly L. is held by other top lawyers in the same geographic and legal practice area.

Matt McAfee is a founding partner at DMHD. He focuses his practice in the area of real estate and banking law. He represents buyers and sellers in commercial real estate law, acquisitions and dispositions, commercial development, and commercial leasing. He has extensive experience in real estate project finance, including securitized debt and mezzanine financing. Mr. McAfee also represents clients in real estate-backed lending and the workout of distressed credits.

Dick is managing partner of the firm, a member of the firm’s Board of Directors and chairman of the firm’s Business Department. Dick’s practice focuses principally on healthcare, mergers and acquisitions, corporate governance, contract negotiation, general corporate matters, financings, regulatory matters, and antitrust advice. Dick represents a wide range of corporations, limited liability companies and other entities, including start-up companies and healthcare providers, ...