Dan Orr, President of Dan Orr Consulting, has more than 50 years of diving experience, including being a dive instructor and working for DAN (Divers Alert Network). Certified as a US Navy diver and having tested diving equipment for military contractors, Dan has published and co-authored more than a dozen books and manuals on various types of diving. He has also spent 15 years traveling to Guadalupe Island, a World Biosphere Reserve in the Pacific Ocean. Guadalupe Island is unique in that it has the largest identified population of Great White Sharks in the world. This seminar discusses the life history, ecology and photographic opportunities of the island and its incredible aquatic residents.