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...