Dr. Gallagher is a widely respected marine biologist, with expertise on threatened species and protected areas. He has activated research with 10 Caribbean governments and is credited with discovering the world’s largest seagrass meadow in The Bahamas.

Dr. Gallagher has published science extensively, including in leading journals including Science, Nature, and Marine Policy. He has led 27 scientific expeditions and has worked at the national and international level to prompt and inform ocean policy. Gallagher’s approach combines research, private sector collaboration, local engagement, and media – to create effective partnerships.

He is a National Geographic Explorer, Fulbright Scholar, and Adjunct Professor at Northeastern University. He is a Fellow of the Explorer’s Club, has spoken about ocean conservation at venues worldwide, sits on the Editorial Board of the journal Endangered Species Research, and serves as an advisor to governments, international organizations, media productions, and companies interested in sustainability.