Country of residence: Hawaiʻi, USADiving since: Childhood (professionally for over two decades)Level/agency of certification: PADI Master Scuba Diver Trainer (MSDT), 20+ instructor specialties, freediving instructor, and tech diving experience Ocean Ramsey is a marine biologist, shark researcher, freediving and scuba instructor, and conservationist who has spent more than two decades studying sharks in the wild. A PADI Master Scuba Diver Trainer with more than 20 instructor specialties, she is best known for freediving with great white sharks without a cage...

Country of residence: USADiving since: 2012Level/agency of certification: FII Level 2 Natalie Parra is a conservationist and freediver dedicated to inspiring collective action for the ocean. She has worked on the front lines of marine protection, leading impact campaigns for conservation initiatives, legislative action, and, most recently, environmental documentaries, helping turn compelling stories into lasting advocacy and tangible action.  As a Cressi ambassador and avid freediver, Natalie uses her time beneath the surface to document and share the visible impacts...