David E. Guggenheim, PhD is a marine scientist, conservation policy specialist, ocean explorer, submarine pilot and educator. He is the founder and president of the Washington, DC-based nonprofit organization Ocean Doctor, dedicated to advancing the conservation of the world's oceans through research, education and community engagement. Guggenheim is also an adjunct professor at Johns Hopkins University where he teaches Ocean Sustainability. He was inducted into the Explorers Club as a National Fellow in 2008. Guggenheim makes frequent speaking and television and radio appearances, having appeared on 60 Minutes, Good Morning America, CNN, MSNBC, PBS Newshour and NPR. Guggenheim previously served as Vice President at The Ocean Conservancy, President & CEO of The Conservancy of Southwest Florida, co-chair of the Everglades Coalition and president of the Friends of Channel Islands National Park. He also served as board chair of the Great Whale Conservancy.