Country of residence: USADiving since: 1999Level/agency of certification: DivemasterTristan Guttridge is a marine scientist and conservationist whose research has focused on shark and ray behavior, ecology, and conservation for more than two decades. He is the co-founder of Saving the Blue, a nonprofit dedicated to field research and public education aimed at protecting threatened shark species across the Atlantic and Caribbean, with projects targeting hammerhead sharks, silky sharks, Caribbean reef sharks, and the critically endangered smalltooth sawfish. His fieldwork has...

Country of residence: CanadaDiving since: 1991Level/agency of certification: PADI Master Diver Dr. Neil Hammerschlag is a marine ecologist, shark researcher, and one of the leading public voices in shark science and conservation. Based in Canada, he is the founder and executive director of the Shark Research Foundation, which advances shark conservation through research, education, and public outreach, and the president of Atlantic Shark Expeditions, a Nova Scotia-based operation that brings the public into direct contact with sharks through cage diving and...