Aquatic biologist and photojournalist Jennifer Hayes is a contributing photographer and speaker for National Geographic. She specializes in natural history, conservation, and the documentation of freshwater and marine environments. Jennifer and her partner, David Doubilet, collaborate on assignments from the equator to the polar ice. With graduate degrees in marine ecology and zoology, Jennifer focuses her research on shark finning as well as the population dynamics and movements of sturgeon. She also works with scientists around the globe to share their stories. Jennifer is an award-winning photographer, contributor to numerous global publications, and an author and contributor to books about marine environments. She is a trustee of the Shark Research Institute, Explorer Club fellow, editorial board advisor for the Ocean Geographic Society, and recipient of the SUNY-ESF President’s Medal for her contributions to the natural world.