Melissa Cristina Márquez is a marine scientist, author, and award-winning science communicator who brings the ocean to life for audiences of all ages.

With a passion for sharks and a talent for storytelling, Melissa has built an international reputation as a dynamic science communicator — whether she's publishing children's books, speaking on global stages, or diving into ocean adventures as a TV host. Her work bridges the gap between science and the public, inspiring curiosity, sparking conversation, and advocating for a more inclusive, informed, and ocean-literate world.

Seen on Discovery Channel, BBC, Nat Geo, and more, Melissa uses every platform — books, screens, and stages — to make marine science accessible, engaging, and empowering.