Clay Henderson practices in Holland & Knight's Public Policy and Regulation Group in the areas of environmental law, land use, and Smart Growth. He represents public agencies, large private landowners and conservation organizations. He has extensive experience in conservation land acquisition and planning and has negotiated the acquisition of over 250,000 acres of land, now part of national and state parks and preserves.

Mr. Henderson has long been associated with environmental policy in Florida. Prior to coming to the firm, he was president of the Florida Audubon Society, the state’s oldest and largest conservation organization. He served on the Florida Constitution Revision Commission and sponsored the Conservation Amendments which were ratified by Florida's voters in 1998. He co-authored the “Save Our Everglades” constitutional amendments ratified in 1996. He developed the first county endangered lands acquisition program and helped launch Preservation 2000 and Florida Forever, the nation’s premier conservation programs.