David McGuire,
MEH, Director Shark Stewards, Founder Shark Stewards

MEH, Director Shark Stewards, Founder Shark Stewards

David McGuire Photo

A marine biologist and ocean advocate, David McGuire is the founder of the Ocean Health and Shark Conservation non profit Shark Stewards. As a Research Associate of the Department of Aquatic Biology at the California Academy of Sciences, David is conducting a shark research program that includes shark population studies, movements and fisheries impacts. An adjunct professor at the University of San Francisco, David teaches on marine protection policy and is co-chair of the Golden Gate MPA Collaborative. As Captain, Dive Master and filmmaker, David has explored the world ocean on numerous sailing voyages producing media with an emphasis on ocean awareness. Educated in Marine Biology, he holds a masters degree in Environmental Health and has worked in education and public health at the University of California at Berkeley for over a decade.

David is the writer, producer and underwater cinematographer of several award winning documentaries focusing on sharks. David has recently produced a new documentary on the Sharks of San Francisco Bay and has recently worked as cameraman on feature films such as 180 South with Patagonia and A Beautiful Wave. Films in production includes an adventure film on swimming with sharks. He has also published numerous articles on the state of the ocean and sharks and writes a blog called Ocean Voices on sharks and ocean health that is published in several online outlets.

Through Sea Stewards he catalyzed the coalition leading to the passage of the California Shark Conservation Act (Fong, Huffman) in the State of California, the Shark Conservation Act, AB 376. The Shark Stewards project is dedicated to ending shark finning and the shark fin trade. Work on fin regulation is ongoing in other US states and in the Western Pacific through the Pacific Shark Coalition he founded with Asian partners. As documentarian and diver, he has conducted expeditions with Academy researchers communicating the wonders of the natural world and ocean life and the need to protect them, including a two month biodiversity expedition to the Philippines where he collected and filmed. His work testing seafood and evaluating sustainable fishing influences policies and practices from local to international levels.

A lecturer at the University of San Francisco and other campuses, he also speaks to students of all ages and to the public on the importance of sharks to the oceans. David is also an author of numerous articles and fiction and non fiction books including Surviving the Shark. He sits on several boards of non-profits including The San Francisco Green Film Festival and the Cordell Bank Marine Sanctuary Association. He has received numerous awards for his work including an award for Journalism with KQED for the investigative story Sea Horse Sleuth, the 2011 Hero of Marin Environmental Stewardship Award, and an Emmy award for his work on the documentary Reefs to Rainforests. David has been recognized by Congressman Jared Huffman for his work introducing the successful California Shark Fin Trade Ban, and was awarded the Hero of Marine Award for that work. He has also been recognized as a Hero of the Environment by the Town of Pacifica for his educational and ocean conservation work. An ocean adventurer and athlete, David has competed in countless endurance events such as the Trans Pacific yacht Race, Hawaii Ironman and is an open water marathon swimmer, swimming for sharks.
His current work includes a film, Swimming For Sharks, and a book on San Francisco Bay Sharks.

Boards and Service

  • Trainer/educating partner White Shark Stewardship Project. Gulf of the Farallones National Marine Sanctuary
  • Board member Cordell Bank National Sanctuary Foundation
  • Founder Sea Stewards Ocean Media & Shark Stewards
  • Research Associate, Department of Aquatic Biology, California Academy of Sciences
  • Member California Ocean Communicator’s Alliance
  • Co-Chair, Golden Gate Marine Protected Areas Collaborative Group
  • Screening Committee and Program Developer San Francisco International Ocean Film Festival
  • Co-founder, board member San Francisco Green Film Festival


  • 2020 Certificate of Recognition for Environmental Stewardship, County of Marin
  • 2011 Hero of Marin Environmental Stewardship Award
  • 2012 North America Broadcast Emmy of the documentary Reefs to Rainforests.
  • 2012 California State Assembly Certificate of Recognition for Service, Assemblyman Jared Huffman for work introducing the successful California Shark Fin Trade Ban
  • 2013 Hero of the Environment by the Town of Pacifica for his educational and ocean conservation work.
  • 2014 Blue on Blue Award for Protecting the Bay and Ocean, San Francisco Dolphin Club
  • Speaking and Teaching Engagements
  • University of California Berkeley
  • University of San Francisco
  • San Francisco State University
  • San Jose State University
  • Moss Landing Marine Laboratory
  • Presdio Graduate School
  • California Academy of Sciences
  • Monterey Bay Aquarium
  • Smithsonian Museum
  • Scripps Institute of Oceanography