Stephen Weston is a third generation Costa Rican of English and Italian descent. Licensed by the Tourism Board of Costa Rica as a naturalist guide in 1995, he has guided Ecotourism tours throughout the globe for 15 years. He focuses on marine ecology and its biodiversity, as well as the intricate interactions among marine organisms of the Caribbean, Eastern Pacific and South Pacific Oceans. Stephen has brought international awareness towards these fragile realms of tropical paradise with his photography and documentaries featured on the BBC, and National Geographic. As a naturalist, he specializes in Tropical Ecology and Natural History interpretation. Moreover, he enjoys leading field trips with a particular interest in bird watching, botany and seashell identification. Over numerous years, Stephen has developed a profound passion for sharks and he is more than eager to share his passion in educational and entertaining talks with you.

Depending upon the circumstances, it is possible that another expert will join these cruises instead.