R. LeRoy Creswell is a Regional Education Coordinator for the Sea Grant Marine Extension Program at the University of Florida in Fort Pierce, Florida. His extension responsibilities include education and outreach programs in fields related to marine resource utilization, including tourism, commercial and recreational fishing, aquaculture, and coastal zone management. His research focused on the development of aquaculture technologies for tropical marine invertebrates, including bivalve and gastropod molluscs, and several species of tropical crustaceans, such as the Caribbean spiny lobster. He also conducted studies on the larviculture and nutrition of ornamental marine fish and invertebrates. He holds two patents related to aquaculture, a trademarked line of ornamental fish feeds, and has authored a book in the field of aquaculture (The Aquaculture Desk Reference). Also, he has taught graduate and undergraduate courses in aquaculture and has served as adjunct faculty at Florida Institute of Technology, and Indian River State College. He has authored over 60 peer-reviewed publications and manuals, several invited book chapters, and has been the principal editor for 16 books related to aquaculture and fisheries. He regularly reviews manuscripts for peer-reviewed journals, and serves on the Editorial Board of the Journal of Shellfish Research.