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...

Shark Week turns 38 this year, and if you've been watching long enough, you know that the best episodes aren’t the sensationalist ones that frame sharks as hungry man-eaters; they’re the ones that highlight real scientists doing real work.  This year, several of the researchers and conservationists Cressi is proud to support are appearing across the Discovery lineup, and their work spans everything from great white behavior in New Zealand to thresher shark biomechanics off the California coast. Shark Week...