These trips are lead by David McGuire, a shark specialist, marine biologist and the Director of the non profit Shark Stewards. A shark educator, researcher and conservationist, David has spent over 15 years in the Gulf of the farallones and works in education and science with the Greater Farallones and Cordell Bank National Marine Sanctuaries. An ocean media producer, photographer, writer and educator, David's mission is to explore, share and protect our sensitive marine life and habitat.